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儀器簡介：

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：

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