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  • Proceedings of the International Quantum Electronics Conference and Conference on Lasers and Electro-Optics Pacific Rim 2011
  • (Optica Publishing Group, 2011),
  • paper C373

Development of an Optical Ruler for Range Finding Using a Binary Fresnel Hologram

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We propose an optical ruler for range finding using a Fresnel hologram which can project several different diffraction images depending on the imaging distance. The distance resolution equivalent to the scale width of a ruler was obtained by computer simulation. The optical ruler was fabricated using electron beam lithography. The fabricated optical ruler acted on a ruler for range finding with distance resolution of 20 millimeters.

© 2011 AOS

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