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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Patent•
05 Dec 1996TL;DR: In this article, a high contrast spatial light modulator (40) is formed of micro-mechanical pixels (10), and the supporting superstructure comprising the posts and hinges of the pixels are shielded by an umbrella-like elevated light shield (42) extending over the hinge and posts.
Abstract: A high contrast spatial light modulator (40) formed of micro-mechanical pixels (10). The supporting superstructure comprising the posts (12) and hinges (16) of the pixels (10) are shielded by an umbrella-like elevated light shield (42) extending over the hinge and posts. These light shields (42) are generally square in shape, and have edges arranged at approximately 45° with respect to the incident light to minimize diffraction of light therefrom into projection optics. The upper surfaces of the shields may be anodized to achieve a non-reflective, black surface when viewed through darkfield optics. The shields (42) are fabricated using conventional semiconductor processes, which are a natural extension of the baseline process.
83 citations
TL;DR: The automated generation of high-fidelity spatiotemporally shaped femtosecond pulses by use of an optically addressed, two-dimensional liquid-crystal spatial light modulator is reported.
Abstract: We report the automated generation of high-fidelity spatiotemporally shaped femtosecond pulses by use of an optically addressed, two-dimensional liquid-crystal spatial light modulator. A single input pulse was divided into many independent regions, and each region was shaped temporally. By changing the imaging geometry we accomplished either real-space or wave-vector shaping.
82 citations
Patent•
29 Nov 2006TL;DR: In this paper, the authors present a display device that is capable of displaying an image with high luminance and a wide color reproduction range under simple control, which includes a light source device that emits first to fourth illumination lights, a spatial light modulator that modulates the illumination lights and a controller.
Abstract: The object is to provide a display device that is capable of displaying an image with high luminance and a wide color reproduction range under simple control. The display device includes a light source device that emits first to fourth illumination lights, a spatial light modulator that modulates the illumination lights, and a controller. The controller allows the first and the second illumination lights to time-sequentially enter an identical illumination area of the spatial light modulator, and allows the third and the fourth illumination lights to individually enter the spatial light modulator so as to avoid them from being superimposed on the first and the second illumination lights.
82 citations
Patent•
12 Mar 2001
TL;DR: In this article, two sub-images for superimposition are created using a single spatial light modulator and the human visual system similarly integrates the separate left and right eye images into a single, three dimensional image.
Abstract: In one embodiment of this invention, two sub-images for superimposition are created using a single spatial light modulator. A first sub-image is projected with the SLM at a first position and, during the same frame, a second sub-image is projected using the same SLM at a second position. In another embodiment, high resolution, stereoscopic images are created using the principle of temporal superimposition and an electronic projection system having a minimum of low resolution SLMs. The invention alternately projects off-set image sub-fields to cach eye, which are then combined by the human visual system into a single, integrated high resolution image. The human visual system similarly integrates the separate left and right eye images into a single, three dimensional image.
82 citations
TL;DR: An optical encryption system based entirely on the encryption of information using the phase component of a wavefront is presented and it is demonstrated that the direct pixel mapping approach provides a robust and simple architecture for optical encryption.
82 citations