Optical property measurements of 235 mm large-scale Ti:sapphire crystal

He Cao; Zebiao Gan; Xiaoyan Liang; Lianghong Yu; Wenqi Li; Zhen Guo; Pei Huang; Jianye Wang; Min Xu; Yin Hang

doi:10.3788/COL201816.071401

Journals >Chinese Optics Letters >Volume 16 >Issue 7 >Page 071401 > Article

Chinese Optics Letters
Vol. 16, Issue 7, 071401 (2018)

Optical property measurements of 235 mm large-scale Ti:sapphire crystal | On the Cover

He Cao^1、3, Zebiao Gan¹, Xiaoyan Liang^1、*, Lianghong Yu¹, Wenqi Li^1、3, Zhen Guo^1、3, Pei Huang^1、3, Jianye Wang^1、3, Min Xu², and Yin Hang^2、**

Author Affiliations

¹State Key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China

²Key Laboratory of Materials for High Power Laser, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China

³University of Chinese Academy of Sciences, Chinese Academy of Sciences, Beijing 100049, China

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DOI: 10.3788/COL201816.071401 Cite this Article Set citation alerts

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 Copy Citation Text

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Absorption coefficient and transmittance at different positions of the Ti:sapphire crystal for (a) the horizontal diameter direction and (b) the vertical diameter direction.

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. 2. Test positions.

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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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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 $/ {cm}^{- 1}$	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 $/ {cm}^{- 1}$	0.0048	0.0045	0.0058	0.0062	0.0039
FOM ( $a_{532} / a_{800}$ )	86.0	93.8	77.6	68.4	89.1