Investigation of the Recording Mechanism of Multiplex Bragg Gratings for Planar Optical Radiation Input/Output in Glass Lightguides

The recording process of multiplex Bragg diffraction gratings for lightguide displays by the method of optical copying with use of a phase mask is described. In this experiment, the lightguides are made of photothermorefractive glass. A photoresistive relief phase diffraction grating unattached to t...

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Bibliographic Details
Published in:Optics and spectroscopy 2021-05, Vol.129 (5), p.538-546
Main Authors: Odinokov, S. B., Shishova, M. V., Zherdev, A. Y., Lushnikov, D. S., Markin, V. V.
Format: Article
Language:English
Subjects:
Augmented reality
Bragg gratings
Copying
Lasers
Multiplexing
Optical Devices
Optical radiation
Optics
Photonics
Physics
Physics and Astronomy
Recording
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Summary:The recording process of multiplex Bragg diffraction gratings for lightguide displays by the method of optical copying with use of a phase mask is described. In this experiment, the lightguides are made of photothermorefractive glass. A photoresistive relief phase diffraction grating unattached to the light guide plate is used as a phase mask. A compact augmented reality display is created on the basis of studying the angular multiplexing of such Bragg gratings.
ISSN:0030-400X
1562-6911
DOI:10.1134/S0030400X21040184