Wang Qiubu, Liu Wenqing, Zhang Tianshu, Fu Yibin. Design of High Sensitive Power Detection System for Pulsed Laser[J]. Laser & Optoelectronics Progress, 2021, 58(3): 3140051
- Laser & Optoelectronics Progress
- Vol. 58, Issue 3, 3140051 (2021)
Fig. 1. System overall design block diagram
Fig. 2. Photoelectric conversion circuit
Fig. 3. Peak hold and discharge circuit
Fig. 4. Synchronous trigger circuit
Fig. 5. Block diagram of program execution process
Fig. 6. Timing diagram of acquisition process
Fig. 7. Oscilloscope real-time monitoring graph
Fig. 8. Comparison of measured peak output and ideal value
Fig. 9. Schematic of experimental device
Fig. 10. Linear fitting result of power and voltage
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Table 1. PS13-6b main parameters
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Table 2. Comparison of common transconductance amplifier parameters
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Table 3. Comparison of errors between homemade power detection system and standard power meter
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