Presentation About Laser Diode Gas Sensors

Lots of things around sensor, current sensors, laser, selectivity, measurements, and measurement principle are presented in the presentation. The presentation contains info like noise, measurement, calibration, range, and stability calibration.

Inside the presentation the reader can find description around detection, laser gas sensors, detector, laser diode, tdls measurement principle, and sensors. Below are some excerpt from this presentation:

Laser Gas Sensors Tunable Diode Laser Gas Sensors Technology – TDLS Measurement Principle Laser line A A Laser Scan λ Laser diode scan across single gas absorption line. λ Gas absorption lines IR Source Gas Volume Detector Laser Reference p. 6 Gas Volume Technology – TDLS Measurement Principle High linearity Intrinsic reference channel Optical system & reference information: On modulation frequency f Laser signal information: Laser intensity & wavelength vary linearly with drive current Gas absorption signal: The detector sees less intensity as the laser hits the gas line A Gas concentration signal: On modulation frequency 2f I λ Laser signal information

Additionally, the presentation presents info around signal, environmental monitoring, peak noise, precision, and modulation frequency.

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File size: 1.023 MB, number of pages: 31, download server: www.swisslaser.net
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