Recording beam modulation during grating formation

Michael R. Gleeson; Feidhlim T. O'Neill; John T. Sheridan

doi:10.1117/12.560497

26 October 2004 Recording beam modulation during grating formation

Michael R. Gleeson, Feidhlim T. O'Neill, John T. Sheridan

Proceedings Volume 5521, Organic Holographic Materials and Applications II; (2004) https://doi.org/10.1117/12.560497
Event: Optical Science and Technology, the SPIE 49th Annual Meeting, 2004, Denver, Colorado, United States

Abstract

Holography has become of increasing interest in recent years with developments in many areas such as data storage and interferometry. Photopolymer materials such as acrylamide-based photopolymers are ideal materials for the recording of holographic optical elements, as they are inexpensive and self-processing. There are many experiments reported in the literature that describe the diffraction efficiency and angular selectivity of various materials. The majority of these discuss the performance of the holographic optical element after the recording stage. It has been noted however, sometimes, the recording beams are seen to modulate in intensity during fabrication of the grating. In this paper we discuss our current work and improvements on our previous model. This paper incorporates the growth of an absorption grating during the recording process and deals with a non-ideal beam ratio illustrating the effects this has on the modulation. Our new model attempts to better explain the modulation of the recording beams during grating formation resulting in a more accurate approximation to this behaviour.

Citation Download Citation

Michael R. Gleeson, Feidhlim T. O'Neill, and John T. Sheridan "Recording beam modulation during grating formation", Proc. SPIE 5521, Organic Holographic Materials and Applications II, (26 October 2004); https://doi.org/10.1117/12.560497

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