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Title: Pixel size and pitch measurements of liquid crystal
Authors: Banyal, R. K
Prasad, B. R
Keywords: Liquid crystal displays;Spatial Light Modulator;Optical Diffraction
Issue Date: Aug-2005
Publisher: Indian Academy of Sciences
Citation: Pramana Journal of Physics, Vol. 65, No. 1, pp. 291 - 296
Abstract: We present a simple technique for the determination of pixel size and pitch of liquid crystal (LC) based spatial light modulator (SLM). The proposed method is based on optical diffraction from pixelated LC panel that has been modeled as a two-dimensional array of rectangular apertures. A novel yet simple, two-plane measurement technique is implemented to circumvent the difficulty in absolute distance measurement. Experimental results are presented for electrically addressed twisted nematic LC-SLM removed from the display projector.
ISSN: 0304-4289
Appears in Collections:IIAP Publications

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