Mid-infrared laser spectroscopy for sensing applications

Mid infrared lasers have been attractive for many applications including spectroscopy, imaging, gas sensing, chemical sensing and even military applications. This report introduces a simple quantum cascade laser setup for gas detection or food sensing. First, the knowledge fundamentals are introduce...

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Bibliographic Details
Main Author: Chow, Travis Chin Hau
Other Authors: Wang Qijie
Format: Final Year Project
Language:English
Published: Nanyang Technological University 2022
Subjects:
Online Access:https://hdl.handle.net/10356/157500
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Institution: Nanyang Technological University
Language: English
Description
Summary:Mid infrared lasers have been attractive for many applications including spectroscopy, imaging, gas sensing, chemical sensing and even military applications. This report introduces a simple quantum cascade laser setup for gas detection or food sensing. First, the knowledge fundamentals are introduced. Second, the system and experiment setups are explained, followed by the analyzation and summary of the experiment results. Lastly, the discussion on improvements needed and possible future improvements for the setup.