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  roithner lasertechnik roithner lasertechnik a-1040 vienna, schoenbrunner strasse 7, austria tel: +43 -1- 586 52 43-0 fax: +43 -1- 586 52 43-44 e-mail: office@roithner-laser.com http://www.roithner-laser.com RLT1550-20G technical data high power infrared laserdiode structure: gainasp/inp sqw structure lasing wavelength: 1550 nm, single mode typ. optical power: 20 mw package: 9 mm (sot-148) pin connection: 1) laser diode cathode 2) laser diode anode and photodiode cathode 3) photodiode anode absolute maximum ratings (tc=25c) characteristic symbol rating unit maximum ld current i f 200 ma optical output power p o 40 mw ld reverse voltage v r(ld) 1.5 v pd reverse voltage v r(pd) 6 v operating temperature t c -20 .. +40 c storage temperature t stg -40 .. +85 c optical-electrical characteristics (tc = 25c) characteristic symbol test condition min typ max unit lasing aperture a cw 1 x 5 m2 optical output power p o cw 20 mw threshold current i th cw 55 ma operation current i op p o = 20 mw 160 ma forward voltage u f p o = 20 mw 2 v lasing wavelength l p p o = 20 mw 1520 1550 1580 nm beam divergence q // p o = 20 mw 25 beam divergence q ^ p o = 20 mw 40 monitor current i m p o = 20 mw > 20 100 a note! laserdiode must be cooled!


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