Chinese Journal of Quantum Electronics, Volume. 41, Issue 5, 752(2024)
Design of data acquisition and transmission module for wireless laser power meter
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Fig. 2. Schematic diagram of data acquisition and transmission module for wireless laser power meter
Fig. 5. Experiment scenario calibration of thermopile laser power meter
Fig. 6. Linear fitting diagram of thermopile detection voltage and power
Fig. 7. Physical image of remote laser power measurement experiment. (a) Laser transmitter; (b) Laser receiver
Table 1. Experimental comparison of different wireless transmission modules
View tableView in ArticleTable 1. Experimental comparison of different wireless transmission modules
Module Baud rate/bps Sampling frequency/Hz Error rate USR_LG207 (LoRa) 9600 10 0.265 USR_LG207 (LoRa) 115200 100 1 USR_LG207 (LoRa) 115200 500 1 AS69_DTU20 (2.4 G) 9600 10 0 AS69_DTU20 (2.4 G) 9600 100 0.002 AS69_DTU20 (2.4 G) 115200 100 0 AS69_DTU20 (2.4 G) 115200 500 0.00049 DTD433ME 19200 10 0 DTD433ME 19200 100 0 DTD433ME 19200 500 0 E90_DTU (LoRa) 19200 10 0 E90_DTU (LoRa) 19200 500 0 E90_DTU (LoRa) Adaptive 1000 0.0000097 E90_DTU (LoRa) 115200 1000 0.0025
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Feiyu SHI, Jinghui ZHANG, Yihua CAI, Tao JIANG, Linge LI, Ping FANG, Chao MU, Tong HUANG, Chengyu FAN. Design of data acquisition and transmission module for wireless laser power meter[J]. Chinese Journal of Quantum Electronics, 2024, 41(5): 752
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Received: Mar. 2, 2023
Accepted: --
Published Online: Jan. 8, 2025
The Author Email: SHI Feiyu (supershifeiyu@163.com)
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