Chinese Journal of Lasers, Volume. 46, Issue 4, 0404010(2019)
Thermo-Optical Aberration Measurement of Thin-Disk Laser Crystal Based on Spatial Carrier Interferometry
Figures & Tables(6)
Fig. 1. Schematic of spatial carrier interferometry for thermo-aberration measurement. (a) Light path of spatial carrier interferometry; (b) multi-pass pumping scheme; (c) thin-disk laser crystal
Fig. 2. Calculation diagram of spatial carrier interferometry. (a) Thin-disk laser crystal; (b) single interferogram with spatial carrier; (c) spectrum; (d) wavefront
Fig. 4. Measurement results before and after cooling. (a) Dioptric power; (b) RMS
Fig. 5. Thermo-aberration distributions of thin-disk laser crystal. (a) Wavefront aberration distributions under different pumping powers; (b) OPD distributions under 493 W pumping power
Fig. 6. Thermo-aberration of thin disk versus pumping power. (a) Dioptric power; (b) RMS
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Yuanhao Zhang, Guangzhi Zhu, Jiapeng Gao, Mu Wang, Yongqian Chen, Tian Tan, Cheng Peng, Xiao Zhu. Thermo-Optical Aberration Measurement of Thin-Disk Laser Crystal Based on Spatial Carrier Interferometry[J]. Chinese Journal of Lasers, 2019, 46(4): 0404010
Paper Information
Category: measurement and metrology
Received: Dec. 12, 2018
Accepted: Jan. 18, 2019
Published Online: May. 9, 2019
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