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High-frequency acousto-optic effects in Bragg reflectors

Farmer, D.J.; Akimov, Andrey V.; Gippius, N.A.; Bailey, James; Sharp, James S.; Kent, Anthony

Authors

D.J. Farmer

Andrey V. Akimov

N.A. Gippius

James Bailey

James S. Sharp

Anthony Kent Anthony.Kent@Nottingham.ac.uk



Abstract

Picosecond acoustic interferometry was used to study the acousto-optic properties of a distributed Bragg reflector (DBR) manufactured from two immiscible polymers (cellulose acetate and polyvinylcarbyzole). Picosecond strain pulses were injected into the structure and changes in its reflectance were monitored as a function of time. The reflectance exhibited single-frequency harmonic oscillations as the strain pulse traversed the DBR. A transfer matrix method was used to model the reflectance of the DBR in response to interface modulation and photo-elastic effects. This work shows that photo-elastic effects can account for the acousto-optic response of DBRs with acoustically matched layers.

Journal Article Type Article
Publication Date Jun 13, 2014
Journal Optics Express
Electronic ISSN 1094-4087
Publisher Optical Society of America
Peer Reviewed Peer Reviewed
Volume 22
Issue 12
Pages 15218-15231
APA6 Citation Farmer, D., Akimov, A. V., Gippius, N., Bailey, J., Sharp, J. S., & Kent, A. (2014). High-frequency acousto-optic effects in Bragg reflectors. Optics Express, 22(12), 15218-15231. doi:10.1364/OE.22.015218
DOI https://doi.org/10.1364/OE.22.015218
Publisher URL https://www.osapublishing.org/oe/abstract.cfm?uri=oe-22-12-15218
Copyright Statement Copyright information regarding this work can be found at the following address: http://eprints.nottingh.../end_user_agreement.pdf
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Copyright Statement
Copyright information regarding this work can be found at the following address: http://eprints.nottingham.ac.uk/end_user_agreement.pdf





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