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Stratified volume holographic optical elements.

R V Johnson, A R Tanguay

|September 11, 2009

Summary

This summary is machine-generated.

Stratified volume holographic optical elements (SVHOE’s) achieve thick grating diffraction using thin layers. These novel optical devices offer tunable diffraction properties for applications like optical computing interconnections.

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Area of Science:

Optics and Photonics
Computational Physics

Background:

Traditional volume gratings are limited by fabrication complexity.
The optical beam propagation method (OBPM) enables analysis of complex optical phenomena.

Purpose of the Study:

To introduce a new class of optical devices: stratified volume holographic optical elements (SVHOE’s).
To demonstrate that SVHOE’s can emulate the diffraction properties of thick gratings using layered thin gratings.
To explore the potential applications of SVHOE’s in areas such as optical cellular logic arrays.

Main Methods:

Utilizing a computational algorithm based on the optical beam propagation method (OBPM).
Designing and analyzing stratified structures composed of spaced thin grating layers.
Investigating the diffraction efficiency and angular selectivity of the proposed elements.

Main Results:

SVHOE’s successfully emulate Bragg regime (thick grating) response.
The diffraction efficiency and angular selectivity of SVHOE’s are comparable to distributed volume gratings.
Periodic diffraction properties were observed, suitable for interconnections in optical cellular logic arrays.
Layer-by-layer modification allows control over diffraction peak width and angular separation.

Conclusions:

SVHOE’s represent a novel approach to achieving thick grating characteristics with thin-layer structures.
These elements offer tunable diffraction responses, enabling precise control over optical signal manipulation.
SVHOE’s hold significant promise for advanced optical systems, including optical computing and interconnection networks.