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Trace Gas Sensing

OptoKnowledge is aggressively pursuing trace gas sensing technologies based on Mid-Infrared (Mid-IR) spectroscopy using Quantum Cascade Lasers (QCLs). Molecular species can be uniquely identified in real-time by exploiting their unique molecular fingerprint signatures.

MID-INFRARED TECHNOLOGY
   
Hyperspectral  Hollow Fiber Based (CAS)

Hollow Fiber Based (CAS)

Mid-IR spectroscopy using a hollow fiber gas cell

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  EC-QCL / Multi-pass

EC-QCL / Multi-pass

Sensing of multiple species and “large” molecules using a relatively broad tuning external cavity QCL

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Intracavity (EVIS)

Intracavity (EVIS)

Compact QCL based sensing without a detector

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  Mid-Infrared Fibers

Mid-Infrared Fibers

Fiber optic solutions for mid-infrared sources, e.g., QCL, ICL, and CO2 lasers

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