Optical coherence refractometry
Peter H. Tomlins, Peter Woolliams, Christian Hart, Andrew Beaumont, Matthew Tedaldi We introduce a novel approach to refractometry using a low coherence interferometer at multiple angles of incidence. We show that for plane parallel samples it is possible to measure their phase refractive index rather than the group index that is usually measured by interferometric methods. This ... [Opt. Lett. 33, 2272-2274 (2008)]
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