Stable electro-optic striation grating produced by programed periodic modulation of the growth temperature

Aharon J. Agranat; Roy Kaner; Galina Perpelitsa; Yehudit Garcia

doi:10.1063/1.2737124

Stable electro-optic striation grating produced by programed periodic modulation of the growth temperature

Aharon J. Agranat^*, Roy Kaner, Galina Perpelitsa, Yehudit Garcia

^*Corresponding author for this work

Department of Applied Physics

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

5 Scopus citations

Abstract

Electrically controlled Bragg gratings implemented by periodic striations that were produced during the crystal growth are demonstrated in potassium lithium tantalate niobate crystals. The striations were generated by blowing air with periodic flow at the flux surface. The gratings were investigated by measurements of the diffraction efficiency versus the applied electric field. It was found that the composition grating induced correlated gratings of the refractive index and the low frequency dielectric constant. The latter, under the application of a uniform electric field, produced an electrically controlled birefringence grating through the quadratic electro-optic effect.

Original language	English
Article number	192902
Journal	Applied Physics Letters
Volume	90
Issue number	19
DOIs	https://doi.org/10.1063/1.2737124
State	Published - 2007

Bibliographical note

Funding Information:
This research was supported in part by Grant No. 2002341 from the United States-Israel Binational Science Foundation (BSF), Jerusalem, Israel.

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title = "Stable electro-optic striation grating produced by programed periodic modulation of the growth temperature",

abstract = "Electrically controlled Bragg gratings implemented by periodic striations that were produced during the crystal growth are demonstrated in potassium lithium tantalate niobate crystals. The striations were generated by blowing air with periodic flow at the flux surface. The gratings were investigated by measurements of the diffraction efficiency versus the applied electric field. It was found that the composition grating induced correlated gratings of the refractive index and the low frequency dielectric constant. The latter, under the application of a uniform electric field, produced an electrically controlled birefringence grating through the quadratic electro-optic effect.",

author = "Agranat, {Aharon J.} and Roy Kaner and Galina Perpelitsa and Yehudit Garcia",

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AU - Kaner, Roy

AU - Perpelitsa, Galina

AU - Garcia, Yehudit

N1 - Funding Information: This research was supported in part by Grant No. 2002341 from the United States-Israel Binational Science Foundation (BSF), Jerusalem, Israel.

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N2 - Electrically controlled Bragg gratings implemented by periodic striations that were produced during the crystal growth are demonstrated in potassium lithium tantalate niobate crystals. The striations were generated by blowing air with periodic flow at the flux surface. The gratings were investigated by measurements of the diffraction efficiency versus the applied electric field. It was found that the composition grating induced correlated gratings of the refractive index and the low frequency dielectric constant. The latter, under the application of a uniform electric field, produced an electrically controlled birefringence grating through the quadratic electro-optic effect.

AB - Electrically controlled Bragg gratings implemented by periodic striations that were produced during the crystal growth are demonstrated in potassium lithium tantalate niobate crystals. The striations were generated by blowing air with periodic flow at the flux surface. The gratings were investigated by measurements of the diffraction efficiency versus the applied electric field. It was found that the composition grating induced correlated gratings of the refractive index and the low frequency dielectric constant. The latter, under the application of a uniform electric field, produced an electrically controlled birefringence grating through the quadratic electro-optic effect.

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Stable electro-optic striation grating produced by programed periodic modulation of the growth temperature

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