MIRO39A6 technical specifications (t = 22 0 c) optically pumped ir light emitting diodes peak wavelength max m 3.9 0.05 spectral width fwhm m 0.75 0.05 pulse duration 5 current test conditions: pulse period t s 255 number of emitting elements - ps 6 in serial connection voltage at drive current i = 0.3 a u pulsed v 9.7 max. drive current i max a to be specified according to the graphs below and heatsink conditions pulsed power at i = 0.3 a p pulsed w 650 cw power of the leds attached to a heatsink at i = 70 ma p cw w 190 switching time ns 100 packaging and beam parameters house code thread emission area size far-field pattern fwhm operation (storage) conditions polarity mm 2 deg. 0 c screw10 10 1 1.4 1.7 120 -25+45 black wire is negative pump source view all devices are stressed at 80 o c and i = 50 ma (cw) for 10 hrs before final test and shipping to a customer. in addition to mid-ir radiation leds emit nir pumping radiation = 0.87 m as well. this ?parasitic? emission can be cut off by filters or by a detector window. heatsink is essential for normal led operation especially in the cw mode.
current vs. voltage, current vs. output power and emission spectrum at 22 0 c. 0 50 100 150 200 250 300 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 t=255 s = 5 s 20 s 50 s 100 s 235 s pulsed power, mw current, ma 7.0 7.5 8.0 8.5 9.0 9.5 10.0 0 50 100 150 200 250 300 voltage, v current, ma 2.5 3.0 3.5 4.0 4.5 0.0 0.5 1.0 co 2 absorption intensity, arb.un. wavelengh, m maximal current vs. operation conditions 0.01 0.1 1 60 70 80 90 100 200 300 400 500 600 700 800 900 1000 attached to a heatsink duty cycle = /t, - pulse duration, t - period duration maximum current, ma duty cycle output power and emission spectra maximum vs. temperature and far-field pattern -20-100 102030405060 0.5 0.6 0.7 0.8 0.9 1 power at fix. current, arb.un. temperature, o c -20-100 102030405060 3.80 3.85 3.90 3.95 4.00 4.05 4.10 4.15 4.20 4.25 temperature, o c wavelength maximum, m -80-60-40-200 20406080 0.0 0.2 0.4 0.6 0.8 1.0 intensity, arb.un. angle, deg.
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