A lithium-niobate-based photorefractive novelty Þlter microscope and its application in micro-ßuid ßow diagnostics

Vishnu Vardhan Krishnamachari; Oliver Grothe; Hendrik Deitmar; Cornelia Denz

doi:10.1364/PEMD.2005.693

Photorefractive Effects, Materials, and Devices
OSA Trends in Optics and Photonics (Optica Publishing Group, 2005),
paper 693
•https://doi.org/10.1364/PEMD.2005.693

A lithium-niobate-based photorefractive novelty Þlter microscope and its application in micro-ßuid ßow diagnostics

Vishnu Vardhan Krishnamachari, Oliver Grothe, Hendrik Deitmar, and Cornelia Denz

Photorefractive Effects, Materials, and Devices 2005

Sanya, Hainan China
ISBN: 1-55752-793-8

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Applications: Adaptive Interferometry (AAI)

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V. V. Krishnamachari, O. Grothe, H. Deitmar, and C. Denz, "A lithium-niobate-based photorefractive novelty Þlter microscope and its application in micro-ßuid ßow diagnostics," in Photorefractive Effects, Materials, and Devices, G. Zhang, D. Kip, D. Nolte, and J. Xu, eds., Vol. 99 of OSA Trends in Optics and Photonics (Optica Publishing Group, 2005), paper 693.

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Abstract

In this contribution, we present a photorefractive lithium-niobate novelty Mter microscope. We derive conditions, based on the photorefractive model by Kukhtarev et al. [1], for simulating the two-beam coupling functionality in a lithium-niobate crystal. We verify them experimentally by measuring phase changes due to the mixing of equally transparent ßuids in a micro-channel using this novelty Þter microscope.

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