light emitting diodes 1.6 ? ? 4.6 m m m m m o o d d e e l l l l e e d d 2 2 9 9 - - t t e e c c - - p p r r 2 2 . . 9 9 m m m m m m 8 8 m m m m w w ?light emitting diodes led29 - tec - pr are designed for emitting at a spectral range around 29 00 nm. thermocooler and thermoresistor are mounted inside 9 mm package to - 5. heter ostructures (hs) are grown on inas substrates ?light emitting diodes led29 - tec - pr are developed for using in optical gas sensors and medical diagnostics. such construction gives possibility for temperature stabilization of led parameters. lifetime is more then 10000 hours. ? related products: led29 can be used in optical pair with our photodiodes pd36 . our standard led driver provides power supply of led29 - tec - pr in two recommended here regimes (quasi - cw and pulsed). parameters min typ max wavelengt h, m m 2.8 0 2 . 90 3 . 00 fwhm, m m 0. 6 0 0.70 0.80 optical power, m w q uasi - cw @ 200 ma pulsed@2a 6 120 8 150 10 170 switching time, ns 10 30 50 range of t emperature control o c - 10 ? +60 emitting area, m m 300x300 soldering temperature 95 o c packa ge to - 5 with t hermocooler , t hermistor and parabolic reflector main thermocooler parameters (without load) 0 10 20 30 40 50 -20 0 20 40 60 temperature, c thermoresistance, kohm i max q max u max d t max (amps) (watts) (volts) c 0.7 0.4 1.0 67 led chip tec lead thermoresistor top side view thermoresistor thermoresistor led29 typical spectra at different temperatures 0 0,3 0,6 0,9 1,2 1800 2200 2600 3000 3400 3800 4200 4600 5000 wavelength, nm intensity, a.u. t=10c t=25c t=46c led29 - typical current-voltage characteristic -40 -30 -20 -10 0 10 20 30 40 -1 -0,8 -0,6 -0,4 -0,2 0 0,2 0,4 voltage, v current, ma far field pattern with and without reflector led29 (without reflector) led29-pr (with reflector) recommended regimes of led operation quasi - cw 200 ma 250 m s 1 m s 2 a 500 m s f=2 khz f=2 khz pulsed 250 m s led29 - typical power vs. current characteristic at different temperatures 0 2 4 6 8 10 0 50 100 150 200 current, ma power, m w t=10c t=25c t=46c package to - 5 with parabolic reflector
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