Single-Lens Measurement Optical Thin Film Absorption Technology Based on Surface Thermal Lens

Yan Hua; Dawei Li; Yujing Han; Xiaofeng Liu; Yuan an Zhao

doi:10.3788/CJL241013

Chinese Journal of Lasers, Volume. 52, Issue 1, 0103101(2025)

Single-Lens Measurement Optical Thin Film Absorption Technology Based on Surface Thermal Lens

Yan Hua^1,2, Dawei Li^2,4、*, Yujing Han^1、**, Xiaofeng Liu^2,4, and Yuan an Zhao^2,3,4

Author Affiliations

¹School of Physics and Technology, University of Jinan, Jinan 250022, Shandong , China

²Laboratory of Thin Film Optics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China

³Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing 100049, China

⁴Key Laboratory of Materials for High Power Laser, Chinese Academy of Sciences, Shanghai 201800, China

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Figures & Tables(4)

Fig. 1. Schematic diagrams of measuring absorption device by surface thermal lensing. (a) Splitter structure; (b) common optical path structure

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Fig. 2. Schematic diagram of surface thermal lens technology on single lens

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Fig. 3. Histograms of absorption losses measured by splitter and single-lens devices

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Table 1. Absorption loss values measured by splitter and single-lens devices after optimization
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Table 1. Absorption loss values measured by splitter and single-lens devices after optimization
Sample No. Absorption loss measured by splitter device /10^-6 Absorption loss measured by single-lens device /10^-6
#1 41.33 41.87
#2 40.46 40.55
#3 40.78 41.13
#4 40.45 40.77
#5 40.77 41.13
#6 41.99 42.59

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Yan Hua, Dawei Li, Yujing Han, Xiaofeng Liu, Yuan an Zhao. Single-Lens Measurement Optical Thin Film Absorption Technology Based on Surface Thermal Lens[J]. Chinese Journal of Lasers, 2025, 52(1): 0103101

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