Experimental research on DMD spatial light modulator and its multi-spectrum imaging

Video in TIB AV-Portal: Experimental research on DMD spatial light modulator and its multi-spectrum imaging

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Title
Experimental research on DMD spatial light modulator and its multi-spectrum imaging
Title of Series
Part Number
41
Number of Parts
57
Author
License
CC Attribution - NoDerivatives 2.0 UK: England & Wales:
You are free to use, copy, distribute and transmit the work or content in unchanged form for any legal purpose as long as the work is attributed to the author in the manner specified by the author or licensor.
Identifiers
Publisher
Release Date
2012
Language
English
Production Place
Shenzhen, China

Content Metadata

Subject Area
Abstract
The fabric of digital micromirror device (DMD) and its operation are presented. Based on analyzing the electronic circuits and control signals of several types of commercial DLP projectors, the circuits of the projector that relate to warm-up, inter-locked protection, UHP lamp control and testing and color wheel control and detecting are successfully separated. After having simulated these control signals by a digital logic circuit experimentally and applied them to the main control board of the projector, the DMD chip operates normally. The modulating and multi spectrum imaging properties of the modified DMD spatial light modulator are dealt with in details. A compact 4f Fourier transfer system is designed and assembled for multi spectrum coherent image read-out. As a practical use, an experimental setup for holographic stereograms is established using the modified DMD spatial modulator. The created synthetic holographic stereograms have high contrast and low noise. The fabric of digital micromirror device (DMD) and its operation are presented. Based on analyzing the electronic circuits and control signals of several types of commercial DLP projectors, the circuits of the projector that relate to warm-up, inter-locked protection, UHP lamp control and testing and color wheel control and detecting are successfully separated. After having simulated these control signals by a digital logic circuit experimentally and applied them to the main control board of the projector, the DMD chip operates normally. The modulating and multi spectrum imaging properties of the modified DMD spatial light modulator are dealt with in details.
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