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description
specifications *
datasheet
nanoplus 12.5 μm DFB quantum cascade lasers show unique device performance to meet the
requirements of our customers. Their high side mode supression ratio (SMSR) and high spectral
purity make them perfectly suited for aplplications like e.g. gas sensing. The devices work in pulsed
mode at operation temperatures up to 250 K.
技術(shù)參數(shù)：
specifications *
datasheet
nanoplus 12.5 μm DFB quantum cascade lasers show unique device performance to meet the
requirements of our customers. Their high side mode supression ratio (SMSR) and high spectral
purity make them perfectly suited for aplplications like e.g. gas sensing. The devices work in pulsed
mode at operation temperatures up to 250 K.
Parameter Symbol Unit min typical max
Wavelength l μm 12.5
Optical output power Popt mW 1 2 3
Forward current If A 4.5 5 5.5
Threshold current Ith A 4 4.5 5
Beam divergence parallel deg. 35 40 45
Beam divergence perpendicular deg. 55 60 65
Emitting area WxH μm 8x20
Slope efficiency e mW/A 0.7 1 1.5
Temperature tuning rate CT nm/K 0.4 0.5 0.6
Pulswidth Dt ns 100 150
Rep. Rate f kHz
主要特點(diǎn)：
absolute maximum ratings
Parameter Symbol Unit Rating
LD forward current If A 7
Operating temperature Top K <260
Storage temperature Tstore K 0 to 370
applications
trace gas sensing
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