Researching | Cavity Ring-Down Spectroscopy Based on Folded Cavity

Chinese Journal of Lasers, Volume. 47, Issue 3, 311001(2020)

Cavity Ring-Down Spectroscopy Based on Folded Cavity

Dong Hewei, Guo Ruimin^*, Cui Wenchao, and Li Dong

Author Affiliations

Environmental Measurement Center, National Institute of Metrology, Beijing 100029, China

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References (24)

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Figures & Tables(7)

Fig. 1. Schematic structure of Z-folding cavity

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Fig. 2. Mechanical model of Z-folding cavity. (a) Cavity structure; (b) left side of the cavity; (c) right side of the cavity; (d) flange used to hold mirrors; (e) flange used to hold PZT

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Fig. 3. Diagram of experimental light path

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Fig. 4. Electronics and control system

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Fig. 5. Mode matching between laser and optical cavity

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Fig. 6. Measured ring-down signal and its fitted curve

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Table 1. Optical transformation matrixes used in the simulation
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Table 1. Optical transformation matrixes used in the simulation
Transformation type Optical transformation matrix
Free space $\begin{matrix} [\begin{matrix} 1 & L \\ 0 & 1 \end{matrix}] \end{matrix}$
Thin lens $\begin{matrix} [\begin{matrix} 1 & 0 \\ - \frac{1}{f} & 1 \end{matrix}] \end{matrix}$

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Dong Hewei, Guo Ruimin, Cui Wenchao, Li Dong. Cavity Ring-Down Spectroscopy Based on Folded Cavity[J]. Chinese Journal of Lasers, 2020, 47(3): 311001

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Paper Information

Category: spectroscopy

Received: Sep. 25, 2019

Accepted: --

Published Online: Mar. 12, 2020

The Author Email: Ruimin Guo (guorm@nim.ac.cn)

DOI:10.3788/CJL202047.0311001

Topics

laser devices and laser physics

Lasers and Laser Optics

laser manufacturing

Instrumentation, Measurement and Metrology