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

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- 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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