Conical beams made with radial-amplitude computer holograms

Maria Rocio Gomez-Colin; Arturo Olivares-Perez; Bernardina Pinto-Iguanero; Mauricio Ortiz-Gutierrez; Mario Perez-Cortes; Jose Luis Juarez-Perez

doi:10.1117/12.469261

3 June 2002 Conical beams made with radial-amplitude computer holograms

Maria Rocio Gomez-Colin, Arturo Olivares-Perez, Bernardina Pinto-Iguanero, Mauricio Ortiz-Gutierrez, Mario Perez-Cortes, Jose Luis Juarez-Perez

Author Affiliations +

Proceedings Volume 4659, Practical Holography XVI and Holographic Materials VIII; (2002) https://doi.org/10.1117/12.469261
Event: Electronic Imaging, 2002, San Jose, California, United States

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.

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Maria Rocio Gomez-Colin, Arturo Olivares-Perez, Bernardina Pinto-Iguanero, Mauricio Ortiz-Gutierrez, Mario Perez-Cortes, and Jose Luis Juarez-Perez "Conical beams made with radial-amplitude computer holograms", Proc. SPIE 4659, Practical Holography XVI and Holographic Materials VIII, (3 June 2002); https://doi.org/10.1117/12.469261

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