Fibre compatible fast acousto-optic modulator using a gradient index lens as the interaction medium
Abdulhalim, I., Pannell, C.N. and Payne, D.N. (1993) Fibre compatible fast acousto-optic modulator using a gradient index lens as the interaction medium. Applied Physics Letters, 62, (26), 3402-3404. (doi:10.1063/1.109030).
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A novel fiber-compatible acousto-optic modulator is described in which the interaction between the optical and acoustic waves occurs in a graded-index lens which can also function as an "expanded-beam" fiber-to-fiber connector in the case of a half-pitch device, or as a collimator in the case of a quarter-pitch device. Initial results using a quarter-pitch lens are diffraction efficiences of 3%, and diffraction loss of 7%, using 0.5 W power of 80 MHz rf under cw operation and under pulsed operation, using pulse widths down to 40 ns. A 14 ns switching time was measured.
|Subjects:||Q Science > QC Physics
T Technology > TK Electrical engineering. Electronics Nuclear engineering
|Divisions:||University Structure - Pre August 2011 > Optoelectronics Research Centre
|Date Deposited:||11 Mar 2010|
|Last Modified:||02 Mar 2012 13:23|
|RDF:||RDF+N-Triples, RDF+N3, RDF+XML, Browse.|
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