Topic
Spatial light modulator
About: Spatial light modulator is a research topic. Over the lifetime, 9043 publications have been published within this topic receiving 130143 citations.
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TL;DR: This Letter shows how resolution enhancement and autofocusing in digital holographic microscopy is obtained by using structured illumination generated by a spatial light modulator, which enables it to project fringes of different orientations and phase shift without mechanical movement.
Abstract: In this Letter we show how resolution enhancement and autofocusing in digital holographic microscopy is obtained by using structured illumination generated by a spatial light modulator, which enables it to project fringes of different orientations and phase shift without mechanical movement. The image plane is numerically determined by searching for the minimal deviation between the reconstructed images carried by different diffraction orders of the structured illuminations.
116 citations
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10 Jun 2004
TL;DR: In this article, a micromirror device is described, along with a method of making such a device that comprises a mirror plate, a hinge and an extension plate, which can be metallic or dielectric.
Abstract: A micromirror device is disclosed, along with a method of making such a micromirror device that comprises a mirror plate, a hinge and an extension plate. The extension plate is formed on the mirror plate and between the mirror plate and the electrode associated with the mirror plate for rotating the mirror plate. The extension plate can be metallic or dielectric. Also disclosed is a method of making such a micromirror device. In particular, the extension plate is formed after the formation of the mirror plate. Moreover, also disclosed is a projection system that comprises a spatial light modulator having an array of such micromirrors, as well as a light source, condensing optics, wherein light from the light source is focused onto the array of micromirrors, projection optics for projecting light selectively reflected from the array of micromirrors onto a target, and a controller for selectively actuating the micromirrors in the array.
116 citations
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27 Nov 1996TL;DR: In this article, the angular spectrum of the light incident to the spatial light modulator is tailored to enhance the quality of modulation to create a desired pattern of spots in a media plane.
Abstract: A laser printer (10) is comprised of a laser diode array (11), a cross array illumination optics (21), a laser lenslet array (24), a spatial light modulator (40), and a fly's eye integrator (23) which illuminates the spatial light modulator with flooded uniform light. In another embodiment the angular spectrum of the light incident to the spatial light modulator is tailored to enhance the quality of modulation. The spatial light modulator (40), is illuminated uniformly by laser diode emitters (12) comprising laser diode array (11), and the spatial light modulator (40) break up the light into image elements, which are subsequently imaged to a media plane (60), to form a desired pattern of spots.
115 citations
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TL;DR: The reconstructed image of the optimized kinoform is found to be in good agreement with the computed image.
Abstract: The design of a kinoform by the use of simulated annealing is discussed. The simulated annealing process is applied to decrease the reconstruction noise and to adjust the phase distribution of the kinoform to the configuration of the recording device. A liquid-crystal spatial light modulator is used to display the kinoform. The reconstructed image of the optimized kinoform is found to be in good agreement with the computed image. Some experimental results obtained with a liquid-crystal spatial light modulator are presented. The phase quantization effect of the kinoform is discussed.
115 citations
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TL;DR: In this article, high throughput femtosecond laser processing is demonstrated by creating multiple beams using a spatial light modulator (SLM), which can be modulated in real time by computer generated holograms (CGHs).
115 citations