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Symmetric optical multipass matrix systems and the general rapid design methodology
Xiangjun Xiao1, Miyun Shi1, Jingjing Qiu1
1Center for Advanced Quantum Studies, Applied Optics Beijing Area Major Laboratory, Department of Physics, Beijing Normal University, Beijing 100875, China.
Heliyon
|August 15, 2024
Summary
We developed a novel symmetric optical multipass matrix system (SMMS) for enhanced trace gas detection. This stable, versatile system offers adjustable path lengths and multi-species detection capabilities.
Area of Science:
- Optics and Photonics
- Spectroscopy
- Chemical Sensing
Background:
- Multipass cells are crucial for enhancing light-matter interactions in spectroscopy.
- Existing designs often face limitations in stability, beam quality, and flexibility for multi-species detection.
Purpose of the Study:
- To introduce a new multipass cell design, the symmetric optical multipass matrix system (SMMS).
- To demonstrate the SMMS's capability for high-stability, adjustable optical path lengths, and multi-species detection.
Main Methods:
- Modeling the SMMS design as a variant of the traveling salesman problem.
- Utilizing evolutionary optimization algorithms for rapid design solutions.
- Designing, analyzing, and experimentally building 3-mirror and 4-mirror SMMS configurations.
Main Results:
- The SMMS exhibits superior stability and desirable beam quality.
- Adjustable optical path lengths were achieved.
- Simultaneous detection of multiple species using multi-laser channels was supported.
- Experimental results align with theoretical calculations, confirming design robustness.
Conclusions:
- The proposed SMMS offers a versatile and robust platform for optical sensing.
- The design methodology is universal and applicable to various configurations.
- SMMS holds significant promise for trace gas measurement applications.
