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29 March 2024
 
  » arxiv » physics/0201009

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High Sensitive Measurement of Absorption Coefficient and Optical Nonlinearities with a Single Experimental Setup
S. Abbas Hosseini ; A. Sharan ; D. Goswami ;
Date 8 Dec 2001
Subject Optics | physics.optics
AbstractAccurate knowledge of absorption coefficient of a sample is a prerequisite for measuring the third order optical nonlinearity of materials, which could become a serious limitation for unknown samples. We introduce a new method, which measures both the absorption coefficient and the third order optical nonlinearity of materials with high sensitivity in a single experimental setup. We use a dual-beam pump-probe experiment under different conditions to achieve this goal. We also demonstrate a counterintuitive coupling of the non-interacting probe-beam with the pump-beam in pump-probe z-scan experiment.
Source arXiv, physics/0201009
Other source [GID 312460] physics/0201009
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