Gao Jing, Yu Feng, Ge Tingwu, Wang Zhiyong. Dispersion study of chalcogenide glass for mid-IR supercontinuum generation[J]. Infrared and Laser Engineering, 2014, 43(10): 3368-3372.
| Citation:
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Gao Jing, Yu Feng, Ge Tingwu, Wang Zhiyong. Dispersion study of chalcogenide glass for mid-IR supercontinuum generation[J]. Infrared and Laser Engineering, 2014, 43(10): 3368-3372.
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Dispersion study of chalcogenide glass for mid-IR supercontinuum generation
- 1.
National Center of laser Technology,Institute of laser Engineering,Beijing University of Technology,Beijing 100124,China
- Received Date: 2013-06-25
- Rev Recd Date:
2013-07-25
- Publish Date:
2014-10-25
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Abstract
Due to a high transmission in the infrared range as well as the high linear refractive index and nonlinearity, chalcogenide glass was a good candidate for mid-infrared supercontinuum generation. Since the wavelengths of pump sources for pumping nonlinear mediums are usually less than 2 m, it is valuable to study their material dispersion. Used four different forms of equation to fit the refractive index versus wavelength curves, three different kinds of chalcogenide glass was simulated:As2S3, As2Se3 and Ge33As12Se55, also we got their material dispersion curves by the former simulation results. Their zero-dispersion wavelengths are 4.8 m, 7.2 m, 6.1 m, respectively. While proved that it is not suitable to use refractive index data at short wavelength to fit and simulate the trend at long wavelength for chalcogenide glass.
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