WO2006072423-A1  LANTRATOV V M ET AL: "EFFECT OF THE INCREASE OF RADIATION RESISTANCE IN SOLAR CELLS WITH INTERNAL BRAGG REFLECTOR" PROCEEDINGS OF THE STATE-OF-THE-ART PROGRAM ON COMPOUND SEMICONDUCTORS, XX, XX, Bd. 97-21, 31. August 1997 (1997-08-31), Seiten 125-132, XP008057024;  TRUPKE T ET AL: "Improved spectral robustness of triple tandem solar cells by combined series/parallel interconnection" JOURNAL OF APPLIED PHYSICS, AMERICAN INSTITUTE OF PHYSICS. NEW YORK, US, Bd. 96, Nr. 4, 15. August 2004 (2004-08-15), Seiten 2347-2351, XP012068680 ISSN: 0021-8979;  BUSHNELL D B ET AL: "Short-circuit current enhancement in Bragg stack multi-quantum-well solar cells for multi-junction space cell applications" SOLAR ENERGY MATERIALS AND SOLAR CELLS, ELSEVIER SCIENCE PUBLISHERS, AMSTERDAM, NL, Bd. 75, Nr. 1-2, Januar 2003 (2003-01), Seiten 299-305, XP004391443 ISSN: 0927-0248;  BETT A W ET AL: "Advanced III-V solar cell structures grown by MOVPE" SOLAR ENERGY MATERIALS AND SOLAR CELLS, ELSEVIER SCIENCE PUBLISHERS, AMSTERDAM, NL, Bd. 66, Nr. 1-4, Februar 2001 (2001-02), Seiten 541-550, XP004224719 ISSN: 0927-0248;  DIMROTH F ET AL: "3-6 junction photovoltaic cells for space and terrestrial concentrator applications" PHOTOVOLTAIC SPECIALISTS CONFERENCE, 2005. CONFERENCE RECORD OF THE THIRTY-FIRST IEEE LAKE BUENA VISTA, FL, USA 3-7 JAN. 2005, PISCATAWAY, NJ, USA,IEEE, US, 3. Januar 2005 (2005-01-03), Seiten 525-529, XP010822763 ISBN: 0-7803-8707-4;  SHVARTS M Z ET AL: "Radiation resistant AlGaAs/GaAs concentrator solar cells with internal Bragg reflector" SOLAR ENERGY MATERIALS AND SOLAR CELLS, ELSEVIER SCIENCE PUBLISHERS, AMSTERDAM, NL, Bd. 68, Nr. 1, April 2001 (2001-04), Seiten 105-122, XP004226971 ISSN: 0927-0248;  TOBIN S P ET AL: "Enhanced light absorption in GaAs solar cells with internal Bragg reflectors" PROCEEDINGS OF THE PHOTOVOLTAIC SPECIALISTS CONFERENCE. LAS VEGAS, OCT. 7 - 11, 1991, NEW YORK, IEEE, US, Bd. VOL. 2 CONF. 22, 7. Oktober 1991 (1991-10-07), Seiten 147-152, XP010039267 ISBN: 0-87942-636-5;  HATCHER M: "Solar cell manufactures come back down to earth" COMPOUND SEMICONDUCTOR, [Online] November 2003 (2003-11), XP002369324 Gefunden im Internet: URL:www.compoundsemiconductor.net/articles /magazine/9/11/2 [gefunden am 2006-02-21] in der Anmeldung erw hnt;  HATCHER M: "Solar cell manufactures come back down to earth" COMPOUND SEMICONDUCTOR, [Online] November 2003 (2003-11), XP002369324 Gefunden im Internet: URL:www.compoundsemiconductor.net/articles /magazine/9/11/2 [gefunden am 2006-02-21] in der Anmeldung erwhnt;  HATCHER M: "SOLAR CELL MANUFACTURES COME BACK DOWN TO EARTH" COMPOUND SEMICONDUCTOR, [ONLINE] NOVEMBER 2003 (2003-11), XP002369324 GEFUNDEN IM INTERNET: URL:WWW.COMPOUNDSEMICONDUCTOR.NET/ARTICLES /MAGAZINE/9/11/2&gt; GEFUNDEN AM 2006-02-21 IN DER ANMELDUNG ERWAEHNT;  MEUSEL M ET. AL.: "European Roadmap for the Development of III-V Multi-Junction Space Solar Cells" PROCEEDINGS OF 19TH EUROPEAN PHOTOVOLTAIC ENERGY CONFERENCE, 7. Juni 2004 (2004-06-07), - 11. Juni 2004 (2004-06-11) Seiten 3581-3586, XP002369931 Paris in der Anmeldung erw hnt;  MEUSEL M ET. AL.: "European Roadmap for the Development of III-V Multi-Junction Space Solar Cells" PROCEEDINGS OF 19TH EUROPEAN PHOTOVOLTAIC ENERGY CONFERENCE, 7. Juni 2004 (2004-06-07), - 11. Juni 2004 (2004-06-11) Seiten 3581-3586, XP002369931 Paris in der Anmeldung erwhnt;  MEUSEL M ET. AL.: "European Roadmap for the Development of III-V Multi-Junction Space Solar Cells" PROCEEDINGS OF 19TH EUROPEAN PHOTOVOLTAIC ENERGY CONFERENCE, 7. Juni 2004 (2004-06-07), - 11. Juni 2004 (2004-06-11) Seiten 3581-3586, XP002369931 Paris in der Anmeldung erwaehnt;  YAMAGUCHI M: "Multi-junction solar cells and novel structures for solar cell applications" WORKSHOP ON NANOSTRUCTURES IN PHOTOVOLTAICS 28 JULY-4 AUG. 2001 DRESDEN, GERMANY, Bd. 14, Nr. 1-2, April 2002 (2002-04), Seiten 84-90, XP008060532 Physica E Elsevier Netherlands ISSN: 1386-9477 in der Anmeldung erw hnt;  YAMAGUCHI M: "Multi-junction solar cells and novel structures for solar cell applications" WORKSHOP ON NANOSTRUCTURES IN PHOTOVOLTAICS 28 JULY-4 AUG. 2001 DRESDEN, GERMANY, Bd. 14, Nr. 1-2, April 2002 (2002-04), Seiten 84-90, XP008060532 Physica E Elsevier Netherlands ISSN: 1386-9477 in der Anmeldung erwhnt;  YAMAGUCHI M: "Multi-junction solar cells and novel structures for solar cell applications" WORKSHOP ON NANOSTRUCTURES IN PHOTOVOLTAICS 28 JULY-4 AUG. 2001 DRESDEN, GERMANY, Bd. 14, Nr. 1-2, April 2002 (2002-04), Seiten 84-90, XP008060532 Physica E Elsevier Netherlands ISSN: 1386-9477 in der Anmeldung erwaehnt;  See also references of EP 1842241A1;  HATCHER M: "Solar cell manufactures come back down to earth" COMPOUND SEMICONDUCTOR, [Online] November 2003 (2003-11), XP002369324 Gefunden im Internet: URL:www.compoundsemiconductor.net/articles /magazine/9/11/2 [gefunden am 2006-02-21]in der Anmeldung erwaehntDE102005000767-A1  F.DIMROTH et al.: Metamorphic GayIn1_yP/Ga 1_xInxAs Tandem Solar cells for Space and for terrestrial Concentrator Applications at C&gt; 1000 Suns. In: PHYSICA E. 2002, Vol.14, S.84-90 (von Anmelderin genannt);  M. HATCHER: Solar cell manufactures come back down to earth. In: Compondsemiconductor. net Magazine, November 2003;  M. YAMAGUCHI: Multi-junction solar cells and novel structures for solar cell applications. In: PHYSICA E. 2002, Vol. 14, S.84-90;  S.M.VERNON et al.: Growth and Characterisation of AlxGa1_xAs Bragg Reflectors by LP-MOCVD. In: Journal of Electronic Materials, 1992, Vol.21, No. 3, S.335-340 (von Anmelderin genannt)EP2264788-A2  YAMAGUCHI M: "Multi-junction solar cells and novel structures for solar cell applications", WORKSHOP ON NANOSTRUCTURES IN PHOTOVOLTAICS 28 JULY-4 AUG. 2001 DRESDEN, GERMANY, Bd. 14, Nr. 1-2, April 2002 (2002-04), Seiten 84-90, XP008060532, Physica E Elsevier Netherlands ISSN: 1386-9477;  DIMROTH F ET AL: "NEXT GENERATION GaInP/GaInAs/Ge MULTI-JUNCTION SPACE SOLAR CELLS", 17TH. E.C. PHOTOVOLTAIC SOLAR ENERGY CONFERENCE. MUNICH, GERMANY, OCT. 22 - 26, 2001; [PROCEEDINGS OF THE INTERNATIONAL PHOTOVOLTAIC SOLAR ENERGY CONFERENCE], MUNICH : WIP-RENEWABLE ENERGIES, DE, Bd. CONF. 17, 22. Oktober 2001 (2001-10-22), Seiten 2150-2154, XP001139903, ISBN: 978-3-936338-08-9;  BUSHNELL D B ET AL: "Short-circuit current enhancement in Bragg stack multi-quantum-well solar cells for multi-junction space cell applications", SOLAR ENERGY MATERIALS AND SOLAR CELLS, ELSEVIER SCIENCE PUBLISHERS, AMSTERDAM, NL, Bd. 75, Nr. 1-2, Januar 2003 (2003-01), Seiten 299-305, XP004391443, ISSN: 0927-0248;  SHVARTS M Z ET AL: "Radiation resistant AlGaAs/GaAs concentrator solar cells with internal Bragg reflector", SOLAR ENERGY MATERIALS AND SOLAR CELLS, ELSEVIER SCIENCE PUBLISHERS, AMSTERDAM, NL, Bd. 68, Nr. 1, April 2001 (2001-04), Seiten 105-122, XP004226971, ISSN: 0927-0248;  BETT A W ET AL: "Advanced III-V solar cell structures grown by MOVPE", SOLAR ENERGY MATERIALS AND SOLAR CELLS, ELSEVIER SCIENCE PUBLISHERS, AMSTERDAM, NL, Bd. 66, Nr. 1-4, Februar 2001 (2001-02), Seiten 541-550, XP004224719, ISSN: 0927-0248;  TOBIN S P ET AL: "Enhanced light absorption in GaAs solar cells with internal Bragg reflectors", PROCEEDINGS OF THE PHOTOVOLTAIC SPECIALISTS CONFERENCE. LAS VEGAS, OCT. 7 - 11, 1991, NEW YORK, IEEE, US, Bd. VOL. 2 CONF. 22, 7. Oktober 1991 (1991-10-07), Seiten 147-152, XP010039267, ISBN: 0-87942-636-5;  MEUSEL M ET. AL.: "European Roadmap for the Development of III-V Multi-Junction Space Solar Cells", PROCEEDINGS OF 19TH EUROPEAN PHOTOVOLTAIC ENERGY CONFERENCE, 7. Juni 2004 (2004-06-07), - 11. Juni 2004 (2004-06-11), Seiten 3581-3586, XP002369931, Paris;  HATCHER M: "Solar cell manufactures come back down to earth", COMPOUND SEMICONDUCTOR, [Online] November 2003 (2003-11), XP002369324, Gefunden im Internet: URL:www.compoundsemiconductor.net/articles /magazine/9/11/2 [gefunden am 2006-02-21];  DIMROTH F ET AL: "3-6 junction photovoltaic cells for space and terrestrial concentrator applications", PHOTOVOLTAIC SPECIALISTS CONFERENCE, 2005. CONFERENCE RECORD OF THE THIRTY-FIRST IEEE LAKE BUENA VISTA, FL, USA 3-7 JAN. 2005, PISCATAWAY, NJ, USA,IEEE, US, 3. Januar 2005 (2005-01-03), Seiten 525-529, XP010822763, ISBN: 0-7803-8707-4;  LANTRATOV V M ET AL: "EFFECT OF THE INCREASE OF RADIATION RESISTANCE IN SOLAR CELLS WITH INTERNAL BRAGG REFLECTOR", PROCEEDINGS OF THE STATE-OF-THE-ART PROGRAM ON COMPOUND SEMICONDUCTORS, XX, XX, Bd. 97-21, 31. August 1997 (1997-08-31), Seiten 125-132, XP008057024,;  FRIEDMAN D J ET AL: "1-eV solar cells with GaInNAs active layer", JOURNAL OF CRYSTAL GROWTH, ELSEVIER, AMSTERDAM, NL, Bd. 195, Nr. 1-4, 15. Dezember 1998 (1998-12-15), Seiten 409-415, XP004154295, ISSN: 0022-0248, DOI: DOI:10.1016/S0022-0248(98)00561-2;  F. DIMROTH PROG. PHOTOVOLT: RES. APPL. Bd. 9, 2001, Seiten 165 - 178;  M. YAMAGUCHI PHYSICA E. Bd. 14, 2002, Seiten 84 - 90;  M. VERNON JOURNAL OF ELECTRONIC MATERIALS Bd. 21, Nr. 3, 1992,;  M. Z. SHVARTS SOLAR ENERGY MATERIALS&SOLAR CELLS Bd. 68, 2001, Seiten 105 - 122;  M. MEUSEL PROCEEDINGS OF 19TH EUROPEAN PHOTOVOLTAIC ENERGY CONFERENCE Bd. 7. - 11, Juni 2004, Seiten 3581 - 3586EP2264788-A3  YAMAGUCHI M: "Multi-junction solar cells and novel structures for solar cell applications", WORKSHOP ON NANOSTRUCTURES IN PHOTOVOLTAICS 28 JULY-4 AUG. 2001 DRESDEN, GERMANY, vol. 14, no. 1-2, April 2002 (2002-04-01), Physica E Elsevier Netherlands, pages 84 - 90, XP008060532, ISSN: 1386-9477;  DIMROTH F ET AL: "NEXT GENERATION GaInP/GaInAs/Ge MULTI-JUNCTION SPACE SOLAR CELLS", 17TH. E.C. PHOTOVOLTAIC SOLAR ENERGY CONFERENCE. MUNICH, GERMANY, OCT. 22 - 26, 2001; [PROCEEDINGS OF THE INTERNATIONAL PHOTOVOLTAIC SOLAR ENERGY CONFERENCE], MUNICH : WIP-RENEWABLE ENERGIES, DE, vol. CONF. 17, 22 October 2001 (2001-10-22), pages 2150 - 2154, XP001139903, ISBN: 978-3-936338-08-9;  BUSHNELL D B ET AL: "Short-circuit current enhancement in Bragg stack multi-quantum-well solar cells for multi-junction space cell applications", SOLAR ENERGY MATERIALS AND SOLAR CELLS, ELSEVIER SCIENCE PUBLISHERS, AMSTERDAM, NL, vol. 75, no. 1-2, January 2003 (2003-01-01), pages 299 - 305, XP004391443, ISSN: 0927-0248;  SHVARTS M Z ET AL: "Radiation resistant AlGaAs/GaAs concentrator solar cells with internal Bragg reflector", SOLAR ENERGY MATERIALS AND SOLAR CELLS, ELSEVIER SCIENCE PUBLISHERS, AMSTERDAM, NL, vol. 68, no. 1, April 2001 (2001-04-01), pages 105 - 122, XP004226971, ISSN: 0927-0248;  BETT A W ET AL: "Advanced III-V solar cell structures grown by MOVPE", SOLAR ENERGY MATERIALS AND SOLAR CELLS, ELSEVIER SCIENCE PUBLISHERS, AMSTERDAM, NL, vol. 66, no. 1-4, February 2001 (2001-02-01), pages 541 - 550, XP004224719, ISSN: 0927-0248;  TOBIN S P ET AL: "Enhanced light absorption in GaAs solar cells with internal Bragg reflectors", PROCEEDINGS OF THE PHOTOVOLTAIC SPECIALISTS CONFERENCE. LAS VEGAS, OCT. 7 - 11, 1991, NEW YORK, IEEE, US, vol. VOL. 2 CONF. 22, 7 October 1991 (1991-10-07), pages 147 - 152, XP010039267, ISBN: 0-87942-636-5;  MEUSEL M ET. AL.: "European Roadmap for the Development of III-V Multi-Junction Space Solar Cells", PROCEEDINGS OF 19TH EUROPEAN PHOTOVOLTAIC ENERGY CONFERENCE, 7 June 2004 (2004-06-07) - 11 June 2004 (2004-06-11), Paris, pages 3581 - 3586, XP002369931;  HATCHER M: "Solar cell manufactures come back down to earth", COMPOUND SEMICONDUCTOR, November 2003 (2003-11-01), XP002369324, Retrieved from the Internet URL:www.compoundsemiconductor.net/articles/magazine/9/11/2 [retrieved on 20060221];  DIMROTH F ET AL: "3-6 junction photovoltaic cells for space and terrestrial concentrator applications", PHOTOVOLTAIC SPECIALISTS CONFERENCE, 2005. CONFERENCE RECORD OF THE THIRTY-FIRST IEEE LAKE BUENA VISTA, FL, USA 3-7 JAN. 2005, PISCATAWAY, NJ, USA,IEEE, US, 3 January 2005 (2005-01-03), pages 525 - 529, XP010822763, ISBN: 0-7803-8707-4;  LANTRATOV V M ET AL: "EFFECT OF THE INCREASE OF RADIATION RESISTANCE IN SOLAR CELLS WITH INTERNAL BRAGG REFLECTOR", PROCEEDINGS OF THE STATE-OF-THE-ART PROGRAM ON COMPOUND SEMICONDUCTORS, XX, XX, vol. 97-21, 31 August 1997 (1997-08-31), pages 125 - 132, XP008057024;  FRIEDMAN D J ET AL: "1-eV solar cells with GaInNAs active layer", JOURNAL OF CRYSTAL GROWTH, ELSEVIER, AMSTERDAM, NL, vol. 195, no. 1-4, 15 December 1998 (1998-12-15), pages 409 - 415, XP004154295, ISSN: 0022-0248, DOI: DOI:10.1016/S0022-0248(98)00561-2US8716593-B2  Basic parameters of AlGaAs at 300 K, http://www.ioffe.ru/SVA/NSM/Semicond/AlGaAs/basic.html, date unknown.;  Basic parameters of GaAs at 300 K, http://www.ioffe.ru/SVA/NSM/Semicond/GaAs/basic.html, date unknown.;  Meusel et al., Spectral response measurements of monolithic GaInP/Ga(In)As/Ge triple-junction solar cells: Measurement artifacts and their explanation, Progress in Photovoltaics: Research and Applications, vol. 11, No. 8, pp. 499-514, Dec. 5, 2003.;  Andreev, Heterostructure solar cells, Semiconductor, vol. 33, No. 9, pp. 942-945, Sep. 1, 1999.;  King et al., "Metamorphic III-V materials, sublattice disorder, and multijunction solar cell approaches with over 37% efficiency", Presented at the 19th European Photovoltaic Solar Energy Conference and Exhibition, vol. 7. Jun. 7, 2004.;  Dimroth et al., "5-junction III-V solar cells for space applications", Photovoltaic Energy Conversion, 2003. Proceedings of 3rd World Conference on. vol. 1. IEEE, May 11, 2003.;  Dimroth et al, "Metamorphic . . . Solar Cells for Space and for Terrestrial Concentrator . . . ", Progress in Photovoltaics, 2002, pp. 165-178.;  Dimroth et al, 3-6 Junction Photovoltaic Cells . . . Applications, Photovoltaik Specialist 2005, pp. 525, 529.;  Vernon et al, "Growth and Characterization . . . LP-MOCVD", Journal of Electronic Materials, 1992, vol. 21, pp. 335-340.;  Yamaguchi, "Multi-junction Solar Cells . . . for Solar Cell Applications", 2002, pp. 84-90.;  Bushnell et al, "Short-circuit Current Enhancement . . . Space Cell Application", Solar Energy Materials etc., 2003, pp. 299-305.;  Shvarts et al, "Radiation Resistant . . . with internal Bragg Reflictor", Solar Energy Materials etc. 2001, pp. 105-122.;  Bett et al, "Advanced III-V Solar Cell Structures Grown by MOVPE", Solar Energy Materials etc., pp. 541, 550.;  Tobin et al, "Enhanced Light Absorption . . . Reflectors", Spire Corp, Maine, 1991, pp. 147-152.;  Meusel et al, "European Roadmap for the Development . . . Solar Cells", EP Photovoltaic Solar Energy Conf. Jun. 7-11, 2004, pp. 3581-3586.;  Trupke et al, "Improved Spectral Robustness . . . Interconnection", Journal of Ppl. Ph., 2004, pp. 2347-2351.;  Hatcher, "Solar Cell Manufacturers . . . to Earth", Compoundsemiconductor.net, 2003.;  Lantratov et al, "Effect of the Increase . . . Bragg Reflector", Proceedings of the State . . . , 1997, pp. 125-132.;  Dimroth et al, "Next Generation GaInP/GaInAs/Ge Multi-Junction Space Solar Cells" Oct. 22, 2001, Proceedings of the International Photovoltaic Solar Energy Conference, pp. 2150-2154.;  Friedman et al "I-eV Solar Cells with GaInNAs Active Layer" Dec. 15, 1998, Journal of Crystal Growth, pp. 409-415.;  Antonio Luque et al., "Theoretical Limits of Photovoltaic Conversion", Handbook of Photovoltaic Science and Engineering, 2003 John Wiley & Sons, Ltd.EP2927967-A1  YAMAGUCHI M: "Multi-junction solar cells and novel structures for solar cell applications", WORKSHOP ON NANOSTRUCTURES IN PHOTOVOLTAICS 28 JULY-4 AUG. 2001 DRESDEN, GERMANY, vol. 14, no. 1-2, April 2002 (2002-04-01), Physica E Elsevier Netherlands, pages 84 - 90, XP008060532, ISSN: 1386-9477;  SHVARTS M Z ET AL: "Radiation resistant AlGaAs/GaAs concentrator solar cells with internal Bragg reflector", SOLAR ENERGY MATERIALS AND SOLAR CELLS, ELSEVIER SCIENCE PUBLISHERS, AMSTERDAM, NL, vol. 68, no. 1, April 2001 (2001-04-01), pages 105 - 122, XP004226971, ISSN: 0927-0248;  BUSHNELL D B ET AL: "Short-circuit current enhancement in Bragg stack multi-quantum-well solar cells for multi-junction space cell applications", SOLAR ENERGY MATERIALS AND SOLAR CELLS, ELSEVIER SCIENCE PUBLISHERS, AMSTERDAM, NL, vol. 75, no. 1-2, January 2003 (2003-01-01), pages 299 - 305, XP004391443, ISSN: 0927-0248;  BETT A W ET AL: "Advanced III-V solar cell structures grown by MOVPE", SOLAR ENERGY MATERIALS AND SOLAR CELLS, ELSEVIER SCIENCE PUBLISHERS, AMSTERDAM, NL, vol. 66, no. 1-4, February 2001 (2001-02-01), pages 541 - 550, XP004224719, ISSN: 0927-0248;  TOBIN S P ET AL: "Enhanced light absorption in GaAs solar cells with internal Bragg reflectors", PROCEEDINGS OF THE PHOTOVOLTAIC SPECIALISTS CONFERENCE. LAS VEGAS, OCT. 7 - 11, 1991, NEW YORK, IEEE, US, vol. VOL. 2 CONF. 22, 7 October 1991 (1991-10-07), pages 147 - 152, XP010039267, ISBN: 0-87942-636-5;  "Handbook of Photovoltaic Science and Engineering", 25 April 2003, JOHN WILEY & SONS, LTD, Chichester, UK, ISBN: 978-0-47-149196-5, article ANTONIO LUQUE ET AL: "Theoretical Limits of Photovoltaic Conversion", pages: 113 - 151, XP055085053, DOI: 10.1002/0470014008.ch4;  MEUSEL M ET. AL.: "European Roadmap for the Development of III-V Multi-Junction Space Solar Cells", PROCEEDINGS OF 19TH EUROPEAN PHOTOVOLTAIC ENERGY CONFERENCE, 7 June 2004 (2004-06-07) - 11 June 2004 (2004-06-11), Paris, pages 3581 - 3586, XP002369931;  HATCHER M: "Solar cell manufactures come back down to earth", November 2003 (2003-11-01), XP002369324, Retrieved from the Internet URL:www.compoundsemiconductor.net/articles/magazine/9/11/2 [retrieved on 20060221];  DIMROTH F ET AL: "3-6 junction photovoltaic cells for space and terrestrial concentrator applications", PHOTOVOLTAIC SPECIALISTS CONFERENCE, 2005. CONFERENCE RECORD OF THE THIRTY-FIRST IEEE LAKE BUENA VISTA, FL, USA 3-7 JAN. 2005, PISCATAWAY, NJ, USA,IEEE, US, 3 January 2005 (2005-01-03), pages 525 - 529, XP010822763, ISBN: 0-7803-8707-4;  LANTRATOV V M ET AL: "EFFECT OF THE INCREASE OF RADIATION RESISTANCE IN SOLAR CELLS WITH INTERNAL BRAGG REFLECTOR", PROCEEDINGS OF THE STATE-OF-THE-ART PROGRAM ON COMPOUND SEMICONDUCTORS, XX, XX, vol. 97-21, 31 August 1997 (1997-08-31), pages 125 - 132, XP008057024;  DIMROTH F ET AL: "NEXT GENERATION GaInP/GaInAs/Ge MULTI-JUNCTION SPACE SOLAR CELLS", 17TH. E.C. PHOTOVOLTAIC SOLAR ENERGY CONFERENCE. MUNICH, GERMANY, OCT. 22 - 26, 2001; [PROCEEDINGS OF THE INTERNATIONAL PHOTOVOLTAIC SOLAR ENERGY CONFERENCE], MUNICH : WIP-RENEWABLE ENERGIES, DE, vol. CONF. 17, 22 October 2001 (2001-10-22), pages 2150 - 2154, XP001139903, ISBN: 978-3-936338-08-9;  FRIEDMAN D J ET AL: "1-eV solar cells with GaInNAs active layer", JOURNAL OF CRYSTAL GROWTH, ELSEVIER, AMSTERDAM, NL, vol. 195, no. 1-4, 15 December 1998 (1998-12-15), pages 409 - 415, XP004154295, ISSN: 0022-0248, DOI: 10.1016/S0022-0248(98)00561-2;  F. DIMROTH, PROG. PHOTOVOLT: RES. APPL., vol. 9, 2001, pages 165 - 178;  M. YAMAGUCHI: "Multi-junction solar cells and novel structures for solar cell applications", PHYSICA E., vol. 14, 2002, pages 84 - 90, XP008060532, DOI: doi:10.1016/S1386-9477(02)00362-4;  S. M. VERNON ET AL.: "Growth and Characterization of Al Ga As Bragg Reflectors by LP-MOCVD", JOURNAL OF ELECTRONIC MATERIALS, vol. 21, no. 3, 1992, XP035179055, DOI: doi:10.1007/BF02660463;  M. Z. SHVARTS ET AL.: "Radiation resistant AIGaAsIGaAs concentrator solar cells with internal Bragg reflector", SOLAR ENERGY MATERIALS & SOLAR CELLS, vol. 68, 2001, pages 105 - 122, XP004226971, DOI: doi:10.1016/S0927-0248(00)00349-4;  M. MEUSEL ET AL.: "European Roadmap for the Development of III-V Multi-Junction Space Solar Cells", PROCEEDINGS OF 19TH EUROPEAN PHOTOVOLTAIC ENERGY CONFERENCE, 7 June 2004 (2004-06-07), pages 3581 - 3586, XP002369931EP2264788-B1  YAMAGUCHI M: "Multi-junction solar cells and novel structures for solar cell applications", WORKSHOP ON NANOSTRUCTURES IN PHOTOVOLTAICS 28 JULY-4 AUG. 2001 DRESDEN, GERMANY, Bd. 14, Nr. 1-2, April 2002 (2002-04), Seiten 84-90, XP008060532, Physica E Elsevier Netherlands ISSN: 1386-9477;  DIMROTH F ET AL: "NEXT GENERATION GaInP/GaInAs/Ge MULTI-JUNCTION SPACE SOLAR CELLS", 17TH. E.C. PHOTOVOLTAIC SOLAR ENERGY CONFERENCE. MUNICH, GERMANY, OCT. 22 - 26, 2001; [PROCEEDINGS OF THE INTERNATIONAL PHOTOVOLTAIC SOLAR ENERGY CONFERENCE], MUNICH : WIP-RENEWABLE ENERGIES, DE, Bd. CONF. 17, 22. Oktober 2001 (2001-10-22), Seiten 2150-2154, XP001139903, ISBN: 978-3-936338-08-9;  BUSHNELL D B ET AL: "Short-circuit current enhancement in Bragg stack multi-quantum-well solar cells for multi-junction space cell applications", SOLAR ENERGY MATERIALS AND SOLAR CELLS, ELSEVIER SCIENCE PUBLISHERS, AMSTERDAM, NL, Bd. 75, Nr. 1-2, Januar 2003 (2003-01), Seiten 299-305, XP004391443, ISSN: 0927-0248;  SHVARTS M Z ET AL: "Radiation resistant AlGaAs/GaAs concentrator solar cells with internal Bragg reflector", SOLAR ENERGY MATERIALS AND SOLAR CELLS, ELSEVIER SCIENCE PUBLISHERS, AMSTERDAM, NL, Bd. 68, Nr. 1, April 2001 (2001-04), Seiten 105-122, XP004226971, ISSN: 0927-0248;  BETT A W ET AL: "Advanced III-V solar cell structures grown by MOVPE", SOLAR ENERGY MATERIALS AND SOLAR CELLS, ELSEVIER SCIENCE PUBLISHERS, AMSTERDAM, NL, Bd. 66, Nr. 1-4, Februar 2001 (2001-02), Seiten 541-550, XP004224719, ISSN: 0927-0248;  TOBIN S P ET AL: "Enhanced light absorption in GaAs solar cells with internal Bragg reflectors", PROCEEDINGS OF THE PHOTOVOLTAIC SPECIALISTS CONFERENCE. LAS VEGAS, OCT. 7 - 11, 1991, NEW YORK, IEEE, US, Bd. VOL. 2 CONF. 22, 7. Oktober 1991 (1991-10-07), Seiten 147-152, XP010039267, ISBN: 0-87942-636-5;  MEUSEL M ET. AL.: "European Roadmap for the Development of III-V Multi-Junction Space Solar Cells", PROCEEDINGS OF 19TH EUROPEAN PHOTOVOLTAIC ENERGY CONFERENCE, 7. Juni 2004 (2004-06-07), - 11. Juni 2004 (2004-06-11), Seiten 3581-3586, XP002369931, Paris;  HATCHER M: "Solar cell manufactures come back down to earth", COMPOUND SEMICONDUCTOR, [Online] November 2003 (2003-11), XP002369324, Gefunden im Internet: URL:www.compoundsemiconductor.net/articles /magazine/9/11/2 [gefunden am 2006-02-21];  DIMROTH F ET AL: "3-6 junction photovoltaic cells for space and terrestrial concentrator applications", PHOTOVOLTAIC SPECIALISTS CONFERENCE, 2005. CONFERENCE RECORD OF THE THIRTY-FIRST IEEE LAKE BUENA VISTA, FL, USA 3-7 JAN. 2005, PISCATAWAY, NJ, USA,IEEE, US, 3. Januar 2005 (2005-01-03), Seiten 525-529, XP010822763, ISBN: 0-7803-8707-4;  LANTRATOV V M ET AL: "EFFECT OF THE INCREASE OF RADIATION RESISTANCE IN SOLAR CELLS WITH INTERNAL BRAGG REFLECTOR", PROCEEDINGS OF THE STATE-OF-THE-ART PROGRAM ON COMPOUND SEMICONDUCTORS, XX, XX, Bd. 97-21, 31. August 1997 (1997-08-31), Seiten 125-132, XP008057024,;  FRIEDMAN D J ET AL: "1-eV solar cells with GaInNAs active layer", JOURNAL OF CRYSTAL GROWTH, ELSEVIER, AMSTERDAM, NL, Bd. 195, Nr. 1-4, 15. Dezember 1998 (1998-12-15), Seiten 409-415, XP004154295, ISSN: 0022-0248, DOI: DOI:10.1016/S0022-0248(98)00561-2;  SHVARTS M Z ET AL: "Radiation resistant AlGaAs/GaAs concentrator solar cells with internal Bragg reflector", SOLAR ENERGY MATERIALS AND SOLAR CELLS, ELSEVIER SCIENCE PUBLISHERS, AMSTERDAM, NL, vol. 68, no. 1, 1 April 2001 (2001-04-01), pages 105-122, XP004226971, ISSN: 0927-0248, DOI: 10.1016/S0927-0248(00)00349-4;  Antonio Luque ET AL: "Theoretical Limits of Photovoltaic Conversion" In: "Handbook of Photovoltaic Science and Engineering", 25 April 2003 (2003-04-25), John Wiley & Sons, Ltd, Chichester, UK, XP055085053, ISBN: 978-0-47-149196-5 pages 113-151, DOI: 10.1002/0470014008.ch4,;  DIMROTH F ET AL: "METAMORPHIC GAYIN1-YP/GA1-XINXAS TANDEM SOLAR CELLS FOR SPACE AND FOR TERRESTRIAL CONCENTRATOR APPLICATIONS AT C1000 SUNS", PROGRESS IN PHOTOVOLTAICS: RESEARCH AND APPLICATIONS, JOHN WILEY & SONS, LTD, vol. 9, no. 3, 1 May 2001 (2001-05-01), pages 165-178, XP008060557, ISSN: 1062-7995, DOI: 10.1002/PIP.362;  SHVARTS M Z ET AL: "Radiation resistant AlGaAs/GaAs concentrator solar cells with internal Bragg reflector", SOLAR ENERGY MATERIALS AND SOLAR CELLS, ELSEVIER SCIENCE PUBLISHERS, AMSTERDAM, NL, vol. 68, no. 1, 1 April 2001 (2001-04-01), pages 105 - 122, XP004226971, ISSN: 0927-0248, DOI: 10.1016/S0927-0248(00)00349-4;  "Handbook of Photovoltaic Science and Engineering", 25 April 2003, JOHN WILEY & SONS, LTD, Chichester, UK, ISBN: 978-0-47-149196-5, article ANTONIO LUQUE ET AL: "Theoretical Limits of Photovoltaic Conversion", pages: 113 - 151, XP055085053, DOI: 10.1002/0470014008.ch4;  DIMROTH F ET AL: "METAMORPHIC GAYIN1-YP/GA1-XINXAS TANDEM SOLAR CELLS FOR SPACE AND FOR TERRESTRIAL CONCENTRATOR APPLICATIONS AT C1000 SUNS", PROGRESS IN PHOTOVOLTAICS: RESEARCH AND APPLICATIONS, JOHN WILEY & SONS, LTD, vol. 9, no. 3, 1 May 2001 (2001-05-01), pages 165 - 178, XP008060557, ISSN: 1062-7995, DOI: 10.1002/PIP.362US9252313-B2  Dimroth et al., "3-6 junction photovoltaic cells for space and terrestrial concentrator applications", Photovoltaic Specialists Conference, Jan. 3, 2005, pp. 525-529.;  Dimroth et al, "Next Generation GaInP/GainAs/Ge Multi-Junction Space Solar Cells" Oct. 22, 2001, Proceedings of the International Photovoltaic Solar Energy Conference, pp. 2150-2154.;  Friedman et al "I-eV Solar Cells with GainNAs Active Layer" Dec. 15, 1998, Journal of Crystal Growth, pp. 409-415.;  Antonio Luque et al., "Theoretical Limits of Photovoltaic Conversion", Handbook of Photovoltaic Science and Engineering, 2003 John Wiley & Sons, Ltd.;  King et al., "Metamorphic 111-V materials, sublattice disorder, and multijunction solar cell approaches with over 37% efficiency", Presented at the 19th European Photovoltaic Solar Energy Conference and Exhibition, vol. 7. 617104.;  Dimroth et al., "5-junction 111-V solar cells for space applications", Photovoltaic Energy Conversion, 2003. Proceedings of 3rd World Conference on. vol. 1. IEEE, May 11, 2003.;  Meusel et al., Spectral response measurements of monolithic GaInP/Ga(In)As/Ge triple-junction solar cells: Measurement artifacts and their explanation, Progress in Photovoltaics: Research and Applications, vol. 11, No. 8, pp. 499-514, Dec. 5, 2003.;  Andreev, Heterostructure solar cells, Semiconductor, vol. 33, No. 9, pp. 942-945, Sep. 1, 1999.;  Basic parameters of AlGaAs at 300 K, http://www.ioffe.ru/SVA/NSM/Semicond/AlGaAs/basic.html, date unknown.;  Basic parameters of GaAs at 300 K, http://www.ioffe.ru/SVA/NSM/Semicond/GaAs/basic.html, date unknown.;  Dimroth et al, "Metamorphic . . . Solar Cells for Space and for Terrestrial Concentrator . . . ", Progress in Photovoltaics, 2002, pp. 165-178.;  Vernon et al, "Growth and Characterization . . . LP-MOCVD", Journal of Electronic Materials, 1992, vol. 21, pp. 335-340.;  Yamaguchi, "Multi-junction Solar Cells . . . for Solar Cell Applications", 2002, pp. 84-90.;  Bushnell et al, "Short-circuit Current Enhancement . . . Space Cell Application", Solar Energy Materials etc., 2003, pp. 299-305.;  Shvarts et al, "Radiation Resistant . . . with internal Bragg Reflector", Solar Energy Materials etc. 2001, pp. 105-122.;  Bett et al, "Advanced III-V Solar Cell Structures Grown by MOVPE", Solar Energy Materials etc., pp. 541,550.;  Tobin et al, "Enhanced Light Absorption . . . Reflectors", Spire Corp, Maine, 1991, pp. 147-152.;  Meusel et al, "European Roadmap for the Development . . . Solar Cells", EP Photovoltaic Solar Energy Conf. Jun. 7-11, 2004, pp. 3581-3586.;  Truple et al, "Improved Spectral Robustness . . . Interconnection", Journal of Ppl. Ph./ 2004, pp. 2347-2351.;  Hatcher, "Solar Cell Manufacturers . . . to Earth", Compoundsemiconductor.net, 2003.;  Lantratov et al, "Effect of the Increase . . . Bragg Reflector", Proceedings of the State 1997, pp. 125-132.US2016133770-A1  Bushnell et al., &#226;&#128;&#156;Short-circuit current enhancement in Bragg stack multi-quantum-well solar cells for multi-junction space cell applications,&#226;&#128;&#157; Solar Energy Materials & Solar Cells, 75, pp. 299-305, 4/24/02;  Tobin et al., &#226;&#128;&#156;Enhanced light absorption in GaAs solar cells with internal Bragg reflectors,&#226;&#128;&#157; Photovoltaic Specialists Conference, 10/91;  Shvarts et al., &#226;&#128;&#156;Radiation resistant AlGaAs/GaAs concentrator solar cells with internal Bragg reflector,&#226;&#128;&#157; Solar Energy Materials & Solar Cells, 68, pp. 105-122, 12/18/00;  Dimroth et al., "5-junction III-V solar cells for space applications," Photovoltaic Energy Conversion, 2003. Proceedings of 3rd World Conference on. Vol. 1. IEEE, 5/11/03US2016133773-A1  Dimroth et al., "5-junction III-V solar cells for space applications," Photovoltaic Energy Conversion, 2003. Proceedings of 3rd World Conference on. Vol. 1. IEEE, 5/11/03;  Dimroth et al. ,"Metamorphic GayIn1-yp/Ga1-xInxAs tandem solar cells for space and for terrestrial concentrator applications at C&gt;1000 suns," Progress in Photovoltaics: Research and Applications, Vol. 9, No. 3, pp. 165-178, 5/24/01;  Shvarts et al., "Radiation resistant AlGaAs/GaAs concentrator solar cells with internal Bragg reflector," Solar Energy Materials & Solar Cells, 68, pp. 105-122, 12/18/00;  Bushnell et al., "Short-circuit current enhancement in Bragg stack multi-quantum-well solar cells for multi-junction space cell applications," Solar Energy Materials & Solar Cells, 75, pp. 299-305, 4/24/02;  Tobin et al., "Enhanced light absorption in GaAs solar cells with internal Bragg reflectors," Photovoltaic Specialists Conference, 10/91;  Friedman et al., "1-eV solar cells with GaInNAs active layer," Journal of Crystal Growth, Vol. 95, pp. 409-415, 12/98;  Dimroth et al., &#226;&#128;&#156;Next generation GaInP/GaInAs/Ge multi-junction space solar cells,&#226;&#128;&#157; Proceedings of the International Photovoltaic Solar Energy Conference, 10/22/01US2016211401-A1  Dimroth et al. "5-junction III-V solar cells for space applications," Photovoltaic Energy Conversion, 2003. Proceedings of 3rd World Conference on. Vol. 1. IEEE, 5/11/03;  Dimroth et al., "Metamorphic GayIn1-yp/Ga1-xInxAs tandem solar cells for space and for terrestrial concentrator applications at C&gt;1000 suns," Progress in Photovoltaics: Research and Applications, Vol. 9, No. 3, pp. 165-178, 5/24/01;  Shvarts et al., "Radiation resistant AlGaAs/GaAs concentrator solar cells with internal Bragg reflector," Solar Energy Materials & Solar Cells, 68, pp. 105-122, 12/18/00;  Bushnell et al., "Short-circuit current enhancement in Bragg stack multi-quantum-well solar cells for multi-junction space cell applications," Solar Energy Materials & Solar Cells, 75, pp. 299-305, 4/24/02;  Tobin et al., "Enhanced light absorption in GaAs solar cells with internal Bragg reflectors," Photovoltaic Specialists Conference, 10/91;  Friedman et al., "1-eV solar cells with GaInNAs active layer," Journal of Crystal Growth, Vol. 95, pp. 409-415, 12/98;  Dimroth et al., &#226;&#128;&#156;Next generation GaInP/GaInAs/Ge multi-junction space solar cells,&#226;&#128;&#157; Proceedings of the International Photovoltaic Solar Energy Conference, 10/22/01US9502598-B2  Dimroth et al, &#x201c;Next Generation GaInP/GainAs/Ge Multi-Junction Space Solar Cells&#x201d; Oct. 22, 2001, Proceedings of the International Photovoltaic Solar Energy Conference, pp. 2150-2154.;  Friedman et al &#x201c;I-eV Solar Cells with GainNAs Active Layer&#x201d; Dec. 15, 1998, Journal of Crystal Growth, pp. 409-415.;  Antonio Luque et al., &#x201c;Theoretical Limits of Photovoltaic Conversion&#x201d;, Handbook of Photovoltaic Science and Engineering, 2003 John Wiley &#x26; Sons, Ltd.;  King et al., &#x201c;Metamorphic 111-V materials, sublattice disorder, and multijunction solar cell approaches with over 37% efficiency&#x201d;, Presented at the 19th European Photovoltaic Solar Energy Conference and Exhibition, vol. 7. 617104.;  Dimroth et al., &#x201c;5-junction 111-V solar cells for space applications&#x201d;, Photovoltaic Energy Conversion, 2003. Proceedings of 3rd World Conference on. vol. 1. IEEE, May 11, 2003.;  Meusel et al., Spectral response measurements of monolithic GaInP/Ga(In)As/Ge triple-junction solar cells: Measurement artifacts and their explanation, Progress in Photovoltaics: Research and Applications, vol. 11, No. 8, pp. 499-514, Dec. 5, 2003.;  Andreev, Heterostructure solar cells, Semiconductor, vol. 33, No. 9, pp. 942-945, Sep. 1, 1999.;  Basic parameters of AlGaAs at 300 K, http://www.ioffe.ru/SVA/NSM/Semicond/AlGaAs/basic.html, date unknown.;  Basic parameters of GaAs at 300 K, http://www.ioffe.ru/SVA/NSM/Semicond/GaAs/basic.html, date unknown.;  Dimroth et al, &#x201c;Metamorphic . . . Solar Cells for Space and for Terrestrial Concentrator . . . &#x201d;, Progress in Photovoltaics, 2002, pp. 165-178.;  Vernon et al, &#x201c;Growth and Characterization . . . LP-MOCVD&#x201d;, Journal of Electronic Materials, 1992, vol. 21, pp. 335-340.;  Yamaguchi, &#x201c;Multi-junction Solar Cells . . . for Solar Cell Applications&#x201d;, 2002, pp. 84-90.;  Bushnell et al, &#x201c;Short-circuit Current Enhancement . . . Space Cell Application&#x201d;, Solar Energy Materials etc., 2003, pp. 299-305.;  Shvarts et al, &#x201c;Radiation Resistant . . . with internal Bragg Reflector&#x201d;, Solar Energy Materials etc. 2001, pp. 105-122.;  Bett et al, &#x201c;Advanced III-V Solar Cell Structures Grown by MOVPE&#x201d;, Solar Energy Materials etc., pp. 541,550.;  Tobin et al, &#x201c;Enhanced Light Absorption . . . Reflectors&#x201d;, Spire Corp, Maine, 1991, pp. 147-152.;  Meusel et al, &#x201c;European Roadmap for the Development . . . Solar Cells&#x201d;, EP Photovoltaic Solar Energy Conf. Jun. 7-11, 2004, pp. 3581-3586.;  Trupke et al, &#x201c;Improved Spectral Robustness . . . Interconnection&#x201d;, Journal of Ppl. Ph./2004, pp. 2347-2351.;  Hatcher, &#x201c;Solar Cell Manufacturers . . . to Earth&#x201d;, Compoundsemiconductor.net, 2003.;  Lantratov et al, &#x201c;Effect of the Increase . . . Bragg Reflector&#x201d;, Proceedings of the State . . . , 1997, pp. 125-132.;  Dimroth et al., &#x201c;3-6 junction photovoltaic cells for space and terrestrial concentrator applications,&#x201d; Photovoltaic Specialists Conference, pp. 525-529 (Jan. 3, 2005).;  King et al., &#x201c;High-Voltage, Low-Current-GaInP/GaInP/GaAs/GaiNNAs/Ge Solar Cells,&#x201d; Photovoltaic Specialists Conference, pp. 852-855 (May 19, 2002).