Optical property measurements of 235 mm large-scale Ti:sapphire crystal
1 State Key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China
2 Key Laboratory of Materials for High Power Laser, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China
3 University of Chinese Academy of Sciences, Chinese Academy of Sciences, Beijing 100049, China
Figures & Tables
Fig. 1. Absorption coefficient and transmittance at different positions of the Ti:sapphire crystal for (a) the horizontal diameter direction and (b) the vertical diameter direction.
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Fig. 3. (a) 1 Hz static incident laser beam and (b) 1 Hz transmittance laser beam.
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Fig. 4. Ti:sapphire crystal small-signal amplification experimental optical path.
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Fig. 5. Output energy value of the small-signal amplification experiment of the Ti:sapphire crystal for (a) the horizontal diameter direction and (b) the vertical diameter direction.
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Table1. FOM of the Ti:Sapphire Crystal
| Test Position | 1 | 2 | 3 | 4 | 5 |
|---|
| Transmittance of 532 nm laser/% | 4.99 | 4.67 | 3.81 | 4.61 | 8.02 | | Absorption coefficient of 532 nm laser | 0.4129 | 0.4222 | 0.4500 | 0.4239 | 0.3476 | | Transmittance of 800 nm laser/% | 96.60 | 96.84 | 95.89 | 95.66 | 97.26 | | Absorption coefficient of 800 nm laser | 0.0048 | 0.0045 | 0.0058 | 0.0062 | 0.0039 | | FOM () | 86.0 | 93.8 | 77.6 | 68.4 | 89.1 |
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He Cao, Zebiao Gan, Xiaoyan Liang, Lianghong Yu, Wenqi Li, Zhen Guo, Pei Huang, Jianye Wang, Min Xu, Yin Hang. Optical property measurements of 235 mm large-scale Ti:sapphire crystal[J]. Chinese Optics Letters, 2018, 16(7): 071401.
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