Laser & Optoelectronics Progress, Volume. 60, Issue 3, 0312025(2023)
Design of Synthetic-Wave Absolute-Distance Interferometric System Using Two-Cavity Dual-Frequency Nd∶YAG Laser with Large Frequency-Difference
Fig. 1. Schematic diagram of the frequency-difference stabilizing system for the TCDFL using QD-PDH frequency stabilizing method
Fig. 2. Oscillating spectra of dual-frequency laser with a frequency-difference of 24 GHz
Fig. 3. Relationship between the laser output power and LD pump power
Fig. 4. Frequency discriminating curves of the QD-PDH. (a) Linear cavity; (b) right-angle cavity
Fig. 5. Error signals of the frequency-locked QD-PDH subsystems
Fig. 6. Frequency-difference variation curve of the frequency-locked dual-frequency Nd∶YAG laser
Fig. 7. Schematic diagram of dual-frequency laser synthetic-wave absolute-distance interferometric system
Fig. 8. Phase-difference of heterodyne interference signals. (a) Starting position; (b) ending position
Fig. 9. Phase-difference variation during continuous movement of CCP
Fig. 10. Phase-difference of heterodyne interference signals. (a) Starting position; (b) ending position
|
|
Get Citation
Copy Citation Text
Mingxing Jiao, Fei Jiang, Juan Su, Junhong Xing, Yun Liu, Tianhong Lian, Jianning Liu, Xian Wang, Hequn Li. Design of Synthetic-Wave Absolute-Distance Interferometric System Using Two-Cavity Dual-Frequency Nd∶YAG Laser with Large Frequency-Difference[J]. Laser & Optoelectronics Progress, 2023, 60(3): 0312025
Category: Instrumentation, Measurement and Metrology
Received: Oct. 8, 2022
Accepted: Nov. 22, 2022
Published Online: Feb. 13, 2023
The Author Email: Jiao Mingxing (2237663196@qq.com)