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    Liquid crystal devices especially for use in liquid crystal point diffraction interferometer systems (2009)
    In:  CASI
    Details
    Publication Date: 2019-07-12
    Description: Liquid crystal point diffraction interferometer (LCPDI) systems that can provide real-time, phase-shifting interferograms that are useful in the characterization of static optical properties (wavefront aberrations, lensing, or wedge) in optical elements or dynamic, time-resolved events (temperature fluctuations and gradients, motion) in physical systems use improved LCPDI cells that employ a "structured" substrate or substrates in which the structural features are produced by thin film deposition or photo resist processing to provide a diffractive element that is an integral part of the cell substrate(s). The LC material used in the device may be doped with a "contrast-compensated" mixture of positive and negative dichroic dyes.
    Keywords: Instrumentation and Photography
    Format: application/pdf
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