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Speckle Reduction in Imaging Projection Systems
Diffractive Diffusers Speckle Contrast Reduction Laser Pico-Projectors
2013/1/30
Diffractive diffusers (phase gratings) are routinely used for homogenizing and beam shaping for laser beam applications. Another use for diffractive diffusers is in the reduction of speckle for pico-p...
PLANAR PROJECTION OF MOBILE LASER SCANNING DATA IN TUNNELS
Laser scanning point cloud automation adjustment rectification
2014/4/28
Laser scanning is now a common technology in the surveying and monitoring of large engineering infrastructures, such as tunnels, both in motorways and railways. Extended possibilities exist now with t...
Using a 2-view Autostereoscopic 3D Projection display system, a radically designed projection screen film system coupled with a conventional projection display is herein presented and shown to produce...
Improving the Quality of Liquid-Crystal Projection Image by Multilevel Diffractive Grating Technique
liquid-crystal projection system multilevel diffractive grating VLSI process plastic molding pixel depixelization
2011/11/30
A technique using multilevel diffractive gratings to suppress the discrete nature of liquid crystal display (LCD) projection images is demonstrated. The multilevel diffractive gratings, having a cross...
Design of illumination and projection optics for projectors with single digital micromirror devices
2011/11/29
We present a new optical system design for a projector with a single digital micromirror device ~Texas Instruments Digital Micromirror Device! that improves on previous designs in terms of optical eff...
25 GHz Operation of Silicon Optical Modulator with Projection MOS Structure
Waveguide modulators Modulation Waveguides
2015/6/5
We report a high-speed and compact silicon optical modulator based on the free carrier plasma dispersion in a silicon rib waveguide with a MOS (metal-oxide-semiconductor) junction structure.To achieve...
The function of mobile phone becomes more versatile as a personal assistant. In order to make display device optimized for different function of the mobile phone, this paper proposes a display device ...
Fiber Optic Engine for Full Color Micro Projection
Fiber Optic Engine Full Color Micro Projection
2015/7/15
In this paper we report a micro projector including of RGB sources, a 3×1 Fiber Optic Color Synthesizer (FOCS), and a two dimensional micro mechanical scanning mirror. We further report a modifier mic...