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24 October 2005 A method for measuring two-dimensional distribution of refractive index of a material
Po-Jen Hsieh, Huei-Wen Chen, Zhi-Cheng Jian, Der-Chin Su
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Proceedings Volume 9664, Ninth International Topical Meeting on Education and Training in Optics and Photonics; 966416 (2005) https://doi.org/10.1117/12.2207728
Event: Ninth International Topical Meeting on Education and Training in Optics and Photonics, 2005, Marseille, France
Abstract
The p-polarized light beam is incident on the boundary between a right-angle prism and a test material. When the total internal reflection occurs at the boundary, and the p-polarized light has phase variation. It depends on the refractive index of the tested material. Firstly, the two-dimensional distribution of phase variation of the p-polarized light at the boundary is measured by the four-step phase shifting interferometric technique. Then, substituting the data into the special equations derived from Fresnel equations, the two-dimensional distribution of refractive index of the tested material can be obtained.
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Po-Jen Hsieh, Huei-Wen Chen, Zhi-Cheng Jian, and Der-Chin Su "A method for measuring two-dimensional distribution of refractive index of a material", Proc. SPIE 9664, Ninth International Topical Meeting on Education and Training in Optics and Photonics, 966416 (24 October 2005); https://doi.org/10.1117/12.2207728
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KEYWORDS
Refractive index
Prisms
Mirrors
Reflection
Ferroelectric materials
Light
Photonics
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