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Proceedings Paper

Pulsed-laser deposition growth of SBN and correlation study of structure and optical properties
Author(s): Felix E. Fernandez; Yelitza Gonzalez; Huimin Liu; Edgardo Rodriguez; Victor Rodriguez; Weiyi Jia
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Paper Abstract

Strontium barium niobate thin films were grown by PLD and characterized as to their structure, composition, and both linear and nonlinear optical properties. Attempted composition of very nearly x equals 0.61 was achieved, as shown within experimental error of RBS and PIXE techniques. Films were deposited on MgO and fused silica substrates at a range of growth rates, while keeping other factors constant. Films with excellent texture, and oriented with the c-axis normal to the substrate surface where obtained on the MgO substrates. Films grown on fused silica showed a range of structures, from essentially amorphous to well oriented, again with c-axis normal to the substrate surface. The absorption edge of the films was determined to be substantially blue-shifted in comparison with bulk material. This effect appears to correlate with film microstructure, with more disordered films grown on glass showing the largest shifts. Degenerate four-wave-mixing techniques were used to study the nonlinear optical response of the amorphous films. A considerable enhancement, by 2 orders of magnitude, of the third order nonlinear susceptibility (Chi) (3) in transverse alignment was found to occur with respect to bulk values.

Paper Details

Date Published: 7 June 2000
PDF: 7 pages
Proc. SPIE 3933, Laser Applications in Microelectronic and Optoelectronic Manufacturing V, (7 June 2000); doi: 10.1117/12.387556
Show Author Affiliations
Felix E. Fernandez, Univ. of Puerto Rico/Mayaguez (United States)
Yelitza Gonzalez, Univ. of Puerto Rico/Mayaguez (United States)
Huimin Liu, Univ. of Puerto Rico/Mayaguez (United States)
Edgardo Rodriguez, Univ. of Puerto Rico/Mayaguez (United States)
Victor Rodriguez, Univ. of Puerto Rico/Mayaguez (United States)
Weiyi Jia, Univ. of Puerto Rico/Mayaguez (United States)


Published in SPIE Proceedings Vol. 3933:
Laser Applications in Microelectronic and Optoelectronic Manufacturing V
Henry Helvajian; Koji Sugioka; Malcolm C. Gower; Jan J. Dubowski, Editor(s)

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