Xinyu ZHAO, Fengxiang MA, Zhengzhi WANG, Chenxi LI, Hongchao QI, Junjun LIU, Ke CHEN. Multicomponent Trace Gas Detection Technology Based on Fiber Optic Photoacoustic Sensing[J]. Acta Photonica Sinica, 2024, 53(3): 0306001
- Acta Photonica Sinica
- Vol. 53, Issue 3, 0306001 (2024)
Fig. 1. Fiber-optic F-P cantilever sensor
Fig. 2. Interference spectrum of fiber-optic F-P cantilever sensor
Fig. 3. Absorption line and relationship between central wavelength of DFB laser and current
Fig. 4. Multi-pass resonant photoacoustic cell
Fig. 5. Fiber-optic photoacoustic sensing system
Fig. 6. Minimum sound pressure level measured at 1 kHz
Fig. 7. Relationship between photoacoustic response and modulation current
Fig. 8. Frequency response of photoacoustic cell
Fig. 9. Linearity analysis analysis of the system
Fig. 10. Performance analysis of the system
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