Photorefractive hologram fixing by a 4 K cooldown to the phase transition in K1-xLixTa1-yNbyO3

Aharon J. Agranat; Meir Razvag; Michal Balberg

doi:10.1063/1.115823

Photorefractive hologram fixing by a 4 K cooldown to the phase transition in K1-xLixTa1-yNbyO3

Aharon J. Agranat^*, Meir Razvag, Michal Balberg

^*Corresponding author for this work

The Institute of Applied Physics

Research output: Contribution to journal › Article › peer-review

14 Scopus citations

Abstract

A fixing process of photorefractive holograms is reported. The process is based on the formation of an ionic space charge which becomes mobile at the phase transition temperature. A fixed grating was formed in paraelectric potassium lithium niobate tantalate by a 4 K cooldown to Tc, and a warmup back to the paraelectric phase. The diffraction efficiency of the fixed grating was 66% of the original photorefractive space charge grating.

Original language	English
Pages (from-to)	2469-2471
Number of pages	3
Journal	Applied Physics Letters
Volume	68
Issue number	18
DOIs	https://doi.org/10.1063/1.115823
State	Published - 1996

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abstract = "A fixing process of photorefractive holograms is reported. The process is based on the formation of an ionic space charge which becomes mobile at the phase transition temperature. A fixed grating was formed in paraelectric potassium lithium niobate tantalate by a 4 K cooldown to Tc, and a warmup back to the paraelectric phase. The diffraction efficiency of the fixed grating was 66% of the original photorefractive space charge grating.",

author = "Agranat, {Aharon J.} and Meir Razvag and Michal Balberg",

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AU - Razvag, Meir

AU - Balberg, Michal

PY - 1996

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AB - A fixing process of photorefractive holograms is reported. The process is based on the formation of an ionic space charge which becomes mobile at the phase transition temperature. A fixed grating was formed in paraelectric potassium lithium niobate tantalate by a 4 K cooldown to Tc, and a warmup back to the paraelectric phase. The diffraction efficiency of the fixed grating was 66% of the original photorefractive space charge grating.

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Photorefractive hologram fixing by a 4 K cooldown to the phase transition in K1-xLixTa1-yNbyO3

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