Quantum cascade laser (QCL)
QCL is a semiconductor laser with emission wavelength in the mid-IR range (4 um to 10 um). Because its emission principle is completely different from normal LDs, the QCL has gained attention as an lnnovative solution for mid-IR applications such as trace gas analysis in environmental monitoring.
|Peak emission wavelength typ.||6.13 μm|
|Operating temperature(QCL) min.||10 ℃|
|Operating temperature(QCL) max.||50 ℃|
|Line width max.||0.2 cm-1|
|Tunable range min.||± 1.0 cm-1|
|Output power min.||20 mW|
|Lasing ｔhreshold ｃurrent max.||1 A|
|Side-mode suppression ratio min.||25 dB|
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