Coherence modulation with radial conical holograms

Arturo Olivares-Perez; Maria Rocio Gomez-Colin; Bernardina Pinto-Iguanero; J. A. Sanchez-Martinez; C. Zamora-Lima

doi:10.1117/12.469266

3 June 2002 Coherence modulation with radial conical holograms

Arturo Olivares-Perez, Maria Rocio Gomez-Colin, Bernardina Pinto-Iguanero, J. A. Sanchez-Martinez, C. Zamora-Lima

Proceedings Volume 4659, Practical Holography XVI and Holographic Materials VIII; (2002) https://doi.org/10.1117/12.469266
Event: Electronic Imaging, 2002, San Jose, California, United States

Abstract

We show a technique to modulate source spatial coherence, using conical beams, made with rings amplitude computer hologram. With these devices can be applied to modulate the spatial structure of the light from arbitrary source. In the present work, we design a computer amplitude hologram to produce as to first order a light distribution as ring with a spot in the center of the conical distribution, incrementing the spatial coherence. Because a ring light has more small the airy disc than conventional pupil with similar diameter, Young interferometer, we model by numerical process to obtain the visibility of the interference pattern. This device opens the possibility to make good collimator of white light.

Citation Download Citation

Arturo Olivares-Perez, Maria Rocio Gomez-Colin, Bernardina Pinto-Iguanero, J. A. Sanchez-Martinez, and C. Zamora-Lima "Coherence modulation with radial conical holograms", Proc. SPIE 4659, Practical Holography XVI and Holographic Materials VIII, (3 June 2002); https://doi.org/10.1117/12.469266

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