Nonlinear Index of refraction of germanium selenide glass at 10.6 μm

C.R. Schardt; J.H. Simmons; L. LeNeindre; P. Lucas; J. Lucas

doi:10.1364/BGPPF.1997.JSuE.32

Bragg Gratings, Photosensitivity, and Poling in Glass Fibers and Waveguides: Applications and Fundamentals
Technical Digest Series (Optica Publishing Group, 1997),
paper JSuE.32
•https://doi.org/10.1364/BGPPF.1997.JSuE.32

Nonlinear Index of refraction of germanium selenide glass at 10.6 μm

C.R. Schardt, J.H. Simmons, L. LeNeindre, P. Lucas, and J. Lucas

Bragg Gratings, Photosensitivity, and Poling in Glass Fibers and Waveguides 1997

Williamsburg, Virginia United States
26–28 October 1997
ISBN:

From the session
Linear and Nonlinear Optical Phenomena in Glass GOMD/BGPP Joint Poster Session (JSuE)

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C. R. Schardt, J. H. Simmons, L. LeNeindre, P. Lucas, and J. Lucas, "Nonlinear Index of refraction of germanium selenide glass at 10.6 μm," in Bragg Gratings, Photosensitivity, and Poling in Glass Fibers and Waveguides: Applications and Fundamentals, Technical Digest Series (Optica Publishing Group, 1997), paper JSuE.32.

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Abstract

We report on the nonlinear index of refraction in germanium selenide glasses at the CO₂ laser wavelength of 10.6 μm. This frequency is near the low frequency edge of the germanium selenide infrared window. The nonlinear index is measured by the z-scan technique probed with a CO₂ laser. The measurements were done with the laser operating in both continuous and pulsed modes. Compositions of germanium selenide glasses varying from 2 to 40 at. % germanium are studied and the data is compared to the structure and infrared spectra of these glasses.

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