期刊
OPTICS EXPRESS
卷 18, 期 8, 页码 7899-7904出版社
OPTICAL SOC AMER
DOI: 10.1364/OE.18.007899
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资金
- FCT (Fundacao para a Ciencia e Tecnologia) [SFRH/BD/8278/2002, PTDC/FIS/68419/2006]
- Fundação para a Ciência e a Tecnologia [SFRH/BD/8278/2002, PTDC/FIS/68419/2006] Funding Source: FCT
A new interferometric technique is described to measure the complex modulation curve of a spatial light modulator. Based on a lateral shear imaging interferometer, it enables the amplitude and phase modulation for several modulation levels to be displayed simultaneously in a single interferogram. As an example of the power of this technique a heuristic optimization of input and output elliptical polarization states for a mostly-phase operation mode was obtained within a few minutes for a commercial twisted-nematic liquid crystal display.
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