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1 January 2007 Efficient compensation of Zernike modes and eye aberration patterns using low-cost spatial light modulators
Vicente Durán-Bosch, Vicent Climent, Enrique Tajahuerce, Zbigniew Jaroszewicz, Justo Arines, Salvador X. Bará-Vinhas
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Journal of Biomedical Optics, Vol. 12, Issue 1, 014037 (January 2007). https://doi.org/10.1117/1.2698048
Abstract
Off-the-shelf spatial light modulators (SLMs) like those commonly included in video projection devices have been seldom used for the compensation of eye aberrations, mainly due to the relatively low dynamic range of the phase retardation that can be introduced at each pixel. They present, however, some interesting features, such as high spatial resolution, easy handling, wide availability, and low cost. We describe an efficient four-level phase encoding scheme that allows us to use conventional SLMs for compensating optical aberrations as those typically found in human eyes. Experimental results are obtained with artificial eyes aberrated by refractive phase plates introducing either single Zernike terms or complex eye aberration patterns. This proof-of-concept is a step toward the use of low-cost, general purpose SLMs for the compensation of eye aberrations.
©(2007) Society of Photo-Optical Instrumentation Engineers (SPIE)
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Vicente Durán-Bosch, Vicent Climent, Enrique Tajahuerce, Zbigniew Jaroszewicz, Justo Arines, and Salvador X. Bará-Vinhas "Efficient compensation of Zernike modes and eye aberration patterns using low-cost spatial light modulators," Journal of Biomedical Optics 12(1), 014037 (1 January 2007). https://doi.org/10.1117/1.2698048
Published: 1 January 2007
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KEYWORDS
Spatial light modulators
Eye
Point spread functions
Computer programming
Wavefront sensors
Diffraction
LCDs
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