Shufan Chen, Fengzhou Fang. Development and Applications of Laser Power Meter[J]. Laser & Optoelectronics Progress, 2021, 58(9): 0900003
- Laser & Optoelectronics Progress
- Vol. 58, Issue 9, 0900003 (2021)
Fig. 1. Historical process of laser power measurement development
Fig. 2. PIN photodiode sensor structure
Fig. 3. Sensor structure based on electric thermopile for laser power measurement
Fig. 4. Structure of pyroelectric sensor for optical power measurement
Fig. 5. System diagram of cryogenic absolute radiometer[44]
Fig. 6. Diagrams of flowing-water optical power meter[48]. (a) Typical flowing-water optical power meter; (b) calibration device of flowing-water optical power meter
Fig. 7. Typical diagrams of optical power measuring system by optodynamics. (a) Diagram of hanging measuring system[66]; (b) diagram of measuring system and calibration of maglev structure[64]; (c) spring structure integrated with capacitance sensor[63]
Fig. 8. Diagram of integrating sphere
Fig. 9. Application of laser power meter in optical fiber communication
Fig. 10. Diagram of BOTDR system[73]
Fig. 11. Q-switch extinction ratio measuring system
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Table 1. Characteristics of typical optical power meter
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