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Axetris Europe

Axetris Amerikas

Asia+Oceania

Africa+Middle East

  • Switzerland | DE / EN
  • Germany | DE / EN
  • Rest of the World | EN
  • Great Britain | EN
  • Canada | EN
  • USA | EN / DE / ZH / JA
  • Rest of the World | EN
  • 中国 | ZH / EN / JA
  • India | EN
  • 日本 | JA / EN
  • 대한민국 | EN
  • Rest of the World | EN
  • Rest of the World | EN

Laser Gas Detection

Modules for OEM Integration

Axetris’ Laser Gas Detection modules are stand-alone, ready-to-use OEM subsystems for selective detection and monitoring of gases.

Laser Gas Detection (LGD), based on Tunable Diode Laser Spectrometry (TDLS), provides a solution to many gas detection challenges in emission monitoring and process control. The technology offers unique advantages like precise optical, contact-less measurements, excellent target gas selectivity and sub ppm-level detectivity.

Axetris uses proprietary technology-enhanced TDLS for gas detection, where a 0.05 nm narrow bandwidth diode laser beam is scanned across an absorption band of the target gas (figure 1), performing a high-resolution near-infrared absorption measurement. Electronic lock-in technology allows separating the gas absorption information from electro-optical system information, leading to a detection method eliminating the need for a physical reference channel and offering continuous sensor status monitoring.

The use of telecom-type laser diodes as light source, combined with Axetris’ intellectual property of reference channel-free devices, reduces the gas sensor to a set of generic components and makes it an affordable solution for a wide range of applications.

 

Read more about our products:

Watch also our Laser Gas Detection YouTube video.

Graphic explaining TDLS technology of Axetris
Figure 1: Detection of up to two target gases thanks to the wide tunabilty range of the laser of Axetris' LGD Compact

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