Published January 4, 1990
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Photorefractive Properties Of KTa_(1-x)Nb_xO_3 In The Paraelectric Phase
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Abstract
We report the growth of doped Potassium Tantalate Niobate (KTN) crystals, and the characterization of their photorefractive properties L. the paraelectric region. First the Top Seeded Solution Growth Method is reviewed and the growth process of a KTN:Cu,V crystal is described. Results of diffraction efficiency measurements of photorefractive gratings in these crystals at the paraelectric phase, are then presented. These experiments show high diffractio- efficiencies, and indicate the possibility of amplitude modulation of the gratings by an external field. Results showing fixation of the gratings when the sample is close to the phase transition temperature are also described.
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© 1990 Society of Photo-Optical Instrumentation Engineers (SPIE).Attached Files
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Additional details
- Alternative title
- Photorefractive Properties Of KTa1-xNbxO3 In The Paraelectric Phase
- Eprint ID
- 87731
- Resolver ID
- CaltechAUTHORS:20180710-152014717
- Created
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2018-07-10Created from EPrint's datestamp field
- Updated
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2021-11-15Created from EPrint's last_modified field
- Series Name
- Proceedings of SPIE
- Series Volume or Issue Number
- 1148