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CN / EN

The multi-path gas cell achieves hundreds of reflections and provides a 25 m long optical range. The exclusive coating and optical path design removes interference noise. This product is widely used for gas absorption spectroscopy measurements in environmental monitoring, combustion processes, medical diagnostics, and basic atomic and molecular physics research.


  • Long optical range (25 m), small size (16 cm), low gas consumption (200 mL)

  • Excellent gas tightness (<10-5 Torr·L/s)

  • Single-mode/bias-conservingfibre laser (1200 to 2350 nm) for plug-and-play use

  • Spatial light (QCL, ICL) optical path calibration tools available

Optical Range

25 m
Wavelength Bands Used0.4–12 μm
Gas Leakage Rate< 10-5 Torr·L/s
Pressure Resistance-1–3 bar (a)
Cavity Material

316 L Stainless Steel

Volume200 mL
Gas InterfaceSwagelok ¼ inch Stainless Steel Ferrule
Optical Interface

Fiber Optic or Space Light

External Dimensions160×120×110 mm


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Manager Wei 189 7832 3266

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Manager Tang 188 6764 2219

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