Quantum Cascade Laser (QCL) for Mid-IR Applications – Hamamatsu L12004-2310H-C

The Hamamatsu L12004-2310H-C quantum cascade laser (QCL) is a semiconductor device with an emission wavelength in the mid-IR range of 4 µm to 10 µm. The emission standard is completely different from regular LDs, so the QCL provides an original solution for mid-IR applications like trace gas analysis in environmental monitoring.

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Key Features

Employs single photon continuum depopulation and distributed feedback (DFB) structures to discharge continuous wave (CW) mid-IR laser light under room temperature

By manipulating the operating temperature of the chip via the Peltier element installed in the HHL package, it is feasible to adjust the emission wavelength without mode hopping, maintaining longitudinal single mode function.