Effects of side subsurface defects induced by CNC machine on the gain spatial distribution in neodymium phosphate glass

Bingyan Wang; Junyong Zhang; Shuang Shi; Kewei You; Jianqiang Zhu

doi:doi:10.1017/hpl.2016.9

High Power Laser Science and Engineering, 2016, 4 (1): 010000e9, Published Online: Oct. 25, 2016

Effects of side subsurface defects induced by CNC machine on the gain spatial distribution in neodymium phosphate glass Download： 1031次

Bingyan Wang ^1,2Junyong Zhang ¹Shuang Shi ^1,2Kewei You ^1,2Jianqiang Zhu ¹

Author Affiliations

¹ Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China

² University of Chinese Academy of Sciences, Beijing 100049, China

Figures & Tables

Fig. 4. Changes in normalized scattering intensity at different incident angles.

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Fig. 5. Schematic diagram of the experimental setup.

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Fig. 6. Scattering powers of glass at different incident angles.

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Fig. 7. (a) Average small signal gain coefficients and (b) gain uniformity of complete absorption and with residual reflection in cladding.

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Fig. 8. Map of the single gridding region with subsurface defect.

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Fig. 9. Equivalent residual reflectivity with the change of $n$.

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Bingyan Wang, Junyong Zhang, Shuang Shi, Kewei You, Jianqiang Zhu. Effects of side subsurface defects induced by CNC machine on the gain spatial distribution in neodymium phosphate glass[J]. High Power Laser Science and Engineering, 2016, 4(1): 010000e9.

Effects of side subsurface defects induced by CNC machine on the gain spatial distribution in neodymium phosphate glass Download： 1031次

Fig. 1. Structure of Nd:glass with cladding.

Fig. 2. Morphology of plastic scratch.

Fig. 3. Morphology of the plastic scratch.

Fig. 4. Changes in normalized scattering intensity at different incident angles.

Fig. 5. Schematic diagram of the experimental setup.

Fig. 6. Scattering powers of glass at different incident angles.

Fig. 7. (a) Average small signal gain coefficients and (b) gain uniformity of complete absorption and with residual reflection in cladding.

Fig. 8. Map of the single gridding region with subsurface defect.

Fig. 9. Equivalent residual reflectivity with the change of $n$.

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Effects of side subsurface defects induced by CNC machine on the gain spatial distribution in neodymium phosphate glass Download： 1031次

Fig. 1. Structure of Nd:glass with cladding.

Fig. 2. Morphology of plastic scratch.

Fig. 3. Morphology of the plastic scratch.

Fig. 4. Changes in normalized scattering intensity at different incident angles.

Fig. 5. Schematic diagram of the experimental setup.

Fig. 6. Scattering powers of glass at different incident angles.

Fig. 7. (a) Average small signal gain coefficients and (b) gain uniformity of complete absorption and with residual reflection in cladding.

Fig. 8. Map of the single gridding region with subsurface defect.

Fig. 9. Equivalent residual reflectivity with the change of $n$.

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