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Quantum cascade lasers (QCL)

Quantum cascade lasers are semiconductor lasers that offer peak emission in the mid-IR range (4 to 10 μm). These devices are an excellent light source for mid-IR applications, such as molecular gas analysis and absorption spectroscopy.

Single phonon resonance-continuum depopulation (SPC) and distributed feedback (DFB) structures realize stable single-mode emission at room temperature. We also offer products with a built-in collimation lens in the package.

It is a pulse quantum cascade laser capable of broad wavelength sweeping and has an external cavity configuration.

Lineup document "Devices for Gas Measurement"

Suitable light sources, detectors, and applications for each optical gas measurement method are introduced.

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