Diffraction-efficiency side-lobe suppression in stratified VDOEs

Kalin Spariosu; Indra Tengara; Tomasz P. Jannson

doi:10.1117/12.290186

1 October 1997 Diffraction-efficiency side-lobe suppression in stratified VDOEs

Kalin Spariosu, Indra Tengara, Tomasz P. Jannson

Proceedings Volume 3133, Optical Thin Films V: New Developments; (1997) https://doi.org/10.1117/12.290186
Event: Optical Science, Engineering and Instrumentation '97, 1997, San Diego, CA, United States

Abstract

The potential utilization of volume diffractive elements (VDOEs) in a variety of sophisticated imaging applications has been established. VDOEs are capable of designed-in arbitrary phase distributions (indigenous to multi-layer diffractive structures), while maintaining high diffraction efficiencies (exhibited in volume holographic optical elements (HOEs)). Furthermore, multi-layer VDOE structure facilitates further improvement over HOEs. High diffraction efficiencies with simultaneous side lobe suppression can be achieved in VDOEs, while narrow bandwidths and desirable free spectral ranges are maintained. In this paper, we show that with proper utilization of VDOE and spacer thickness, we can achieve efficient side lobe suppression in the behavior of the diffraction efficiency, as a function of both incident wavelength and angle.

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Kalin Spariosu, Indra Tengara, and Tomasz P. Jannson "Diffraction-efficiency side-lobe suppression in stratified VDOEs", Proc. SPIE 3133, Optical Thin Films V: New Developments, (1 October 1997); https://doi.org/10.1117/12.290186

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KEYWORDS

Holograms

Diffraction

Holographic optical elements

Algorithms

Algorithm development

Apodization

Computer simulations

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