WO2008079032-A2  DATABASE WPI Week 200256, Derwent Publications Ltd., London, GB; Class J04, AN 2002-528465 & WO 02 50515 A1 (SIEMENS AG) 27 June 2002;  DATABASE WPI Week 200256, Derwent Publications Ltd., London, GB; Class J04, AN 2002-528465, XP008109538 & WO 02 50515 A1 (SIEMENS AG) 27 June 2002;  DATABASE WPI Week 200361, Derwent Publications Ltd., London, GB; Class D15, AN 2003-646492 & WO 03 069316 A1 (INNOVATIONSAGENTUR GMBH) 21 August 2003;  DATABASE WPI Week 200361, Derwent Publications Ltd., London, GB; Class D15, AN 2003-646492, XP008109537 & WO 03 069316 A1 (INNOVATIONSAGENTUR GMBH) 21 August 2003;  PATENT ABSTRACTS OF JAPAN & JP 2001 159605 A (NIPPON SANSO CORP) 12 June 2001;  DATABASE WPI Week 200356, Derwent Publications Ltd., London, GB; Class J04, AN 2003-598784 & WO 03 062801 A1 (SIEMENS AG) 31 July 2003;  DATABASE WPI Week 200356, Derwent Publications Ltd., London, GB; Class J04, AN 2003-598784, XP008109539 & WO 03 062801 A1 (SIEMENS AG) 31 July 2003WO2008079032-A3  PATENT ABSTRACTS OF JAPAN;  DATABASE WPI Section Ch Week 200361, Derwent Publications Ltd., London, GB; Class D15, AN 2003-646492;  DATABASE WPI Section Ch Week 200256, Derwent Publications Ltd., London, GB; Class J04, AN 2002-528465;  DATABASE WPI Section Ch Week 200356, Derwent Publications Ltd., London, GB; Class J04, AN 2003-598784;  See also references of EP 2102633A4;  DATABASE WPI Week 200361, Derwent Publications Ltd., London, GB; Class D15, AN 2003-646492, XP008109537;  DATABASE WPI Week 200256, Derwent Publications Ltd., London, GB; Class J04, AN 2002-528465, XP008109538;  DATABASE WPI Week 200356, Derwent Publications Ltd., London, GB; Class J04, AN 2003-598784, XP008109539EP2102633-A2  UWE MALZAHN: "Simple adjustment to the output power of laser diodes", EE TIMES, 11 February 2004 (2004-02-11), pages 1-2, XP055068474,;  See also references of WO 2008079032A2US7999232-B2  M. Kroll et al., "Measurement of gaseous oxygen using diode laser spectroscopy," Appl. Phys. Lett. 51 (18), Nov. 2, 1987, pp. 1465-1467.;  International Search Report, PCT/NZ2007/000391, mailed Jun. 26, 2008.AU2007338957-B2  JP 2001-159605 A1