Effect of temperature on refractive index match of laser glass edge cladding

Junjiang Hu; Tao Meng; Huiye Chen; Lei Wen; Jingping Tang; Congjuan Wang; Ying Lin; Shubin Chen; Wei Chen; Lili Hu

doi:doi:10.3788/col201412.101401

Chinese Optics Letters, 2014, 12 (10): 101401, Published Online: Sep. 11, 2014

Effect of temperature on refractive index match of laser glass edge cladding Download： 650次

论文大纲

Junjiang Hu ^1,2Tao Meng ¹Huiye Chen ¹Lei Wen ^1,2Jingping Tang ¹Congjuan Wang ¹Ying Lin ¹Shubin Chen ¹Wei Chen ¹Lili Hu 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

140.3530 Lasers, neodymium 120.6780 Temperature 230.5480 Prisms

Abstract

An Nd:glass disc requires an edge cladding to absorb the amplified spontaneous emission. The absorption is determined by reflections (R) from disc edges. R is primarily induced by the refractive index (n) mismatch. Thus, the temperature at the cladding interface increases due to absorption, and leads to the variation of n. In order to investigate the effect of temperature on the refractive index match, temperature coefficients (dn/dT) of the laser glass, adhesive polymer, and cladding glass are measured. The effect of temperature on the refractive index match is discussed. Results show that the indices match below 40°C.

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Junjiang Hu, Tao Meng, Huiye Chen, Lei Wen, Jingping Tang, Congjuan Wang, Ying Lin, Shubin Chen, Wei Chen, Lili Hu. Effect of temperature on refractive index match of laser glass edge cladding[J]. Chinese Optics Letters, 2014, 12(10): 101401.

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