Weijie Zhou, Wenqiang Ma, Rao Li, Geyao Chu, Baoan Song, Shixun Dai, Tiefeng Xu, Peiqing Zhang. Femtosecond laser damage characteristics of Ge-As-Se-Te chalcogenide glass[J]. Infrared and Laser Engineering, 2022, 51(4): 20210222
- Infrared and Laser Engineering
- Vol. 51, Issue 4, 20210222 (2022)
Fig. 1. (a) Refractive index of the prepared chalcogenide glass(Gex As40−x Se40Te20,x =0, 10, 20, 30, 40) at 2-20 μm; (b) Absorption spectra of Gex As40−x Se40Te20 chalcogenide glass; (c) T g of the glass as a function of Ge content
Fig. 2. (a) 2D optical microscope images at different average powers at 800 nm; (b) 3D mode; (c) LIDT linear fitting result at 800 nm
Fig. 3. (a) 2D optical microscope images with different wavelengths and average powers; (b) 3D view; (c) SEM of damage morphology; (d) LIDT results with different wavelengths
Fig. 4. (a) SEM image of damage morphology of different pulse numbers at 800 nm; (b) LIDT changes with the laser pulse number, illustrations for the logarithmic display
Fig. 5. (a) Optical microscope image of damage by 800 nm femtosecond laser with different repetition frequencies; (b) Ge30As10Se40Te20 LIDT changes with different repetition frequencies from 1 Hz to 1 kHz
Fig. 6. (a) Raman spectra of Gex As40−x Se40Te20 glasses. The solid line is the original Raman spectrum，and dashed line is after femtosecond laser processing; (b) Deconvoluted Raman spectra of Gex As40-x Se40Te20 glasses
Set citation alerts for the article
Please enter your email address
© Copyright 2018-2021 | Chinese Laser Press. All Rights Reserved 沪ICP备15018463号-20