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Proceedings Paper

Conical beams made with radial-amplitude computer holograms
Author(s): Maria Rocio Gomez-Colin; Arturo Olivares-Perez; Bernardina Pinto-Iguanero; Mauricio Ortiz-Gutierrez; Mario Perez-Cortes; Jose Luis Juarez-Perez
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Paper Abstract

We propose a technique to produce conical beams. This effect is produced when a conventional beam laser through the radial amplitude computer hologram. The computer hologram can be designed to produce a first order ring of light distribution with a spot in the center of the screen, elliptical distribution or another conical distribution are designed and shown. With these computer holograms, we can modulate the spatial structure of the light source. With the radial amplitude hologram is possible to produce different conical distribution, only with incorporate a phase term in the hologram function.

Paper Details

Date Published: 3 June 2002
PDF: 8 pages
Proc. SPIE 4659, Practical Holography XVI and Holographic Materials VIII, (3 June 2002); doi: 10.1117/12.469261
Show Author Affiliations
Maria Rocio Gomez-Colin, Instituto Nacional de Astrofisica Optica y Electronica (Mexico)
Arturo Olivares-Perez, Instituto Nacional de Astrofisica Optica y Electronica (Mexico)
Bernardina Pinto-Iguanero, Instituto Nacional de Astrofisica Optica y Electronica (Mexico)
Mauricio Ortiz-Gutierrez, Instituto Nacional de Astrofisica Optica y Electronica (Mexico)
Mario Perez-Cortes, Instituto Nacional de Astrofisica Optica y Electronica (Mexico)
Jose Luis Juarez-Perez, Instituto Nacional de Astrofisica Optica y Electronica (Mexico)


Published in SPIE Proceedings Vol. 4659:
Practical Holography XVI and Holographic Materials VIII
Sylvia H. Stevenson; T. John Trout; Stephen A. Benton; Sylvia H. Stevenson; T. John Trout, Editor(s)

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