外来物质对块状和薄膜硫化物玻璃非线性吸收的影响

Bragg Gratings, Photosensitivity, and Poling in Glass Fibers and Waveguides: Applications and Fundamentals Pub Date : 1900-01-01 DOI:10.1364/bgppf.1997.jsue.8

T. Cardinal, K. A. Richardson, H. Shin, G. Stegeman, L. Glebov, J. Viens, A. Villeneuve

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摘要

商用硫化砷玻璃已制备出不同纯化水平。测量了体材料和薄膜材料的线性和非线性吸收。分析了吸收边的组成及其对净化的依赖性。利用飞秒脉冲在1.5 μm光谱范围内进行了非线性光诱导吸收测量。比较了熔融法和热蒸发法制备的玻璃的性能。

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The role of extrinsic species on the nonlinear absorption of bulk and thin film sulfide glasses

Commercial arsenic sulfide glasses have been prepared with different levels of purification. Linear and nonlinear absorption of both bulk and thin film materials have been measured. Analysis of the components of absorption edge and dependence on purification is discussed. Nonlinear photoinduced absorption measurements were made using femtosecond pulses in the spectral region of 1.5 μm from an optical parametric amplifier. The behavior of glasses prepared by melting or thermal evaporation techniques are compared.

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Bragg Gratings, Photosensitivity, and Poling in Glass Fibers and Waveguides: Applications and Fundamentals

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