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Fibre compatible fast acousto-optic modulator using a gradient index lens as the interaction medium

Fibre compatible fast acousto-optic modulator using a gradient index lens as the interaction medium
Fibre compatible fast acousto-optic modulator using a gradient index lens as the interaction medium
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 efficiencies 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.
0003-6951
3402-3404
Abdulhalim, I.
99e8f26d-49e2-4b00-9923-5fcc7bc89d78
Pannell, C.N.
002fadf4-f97e-4732-b171-73ed7563ee18
Payne, D.N.
4f592b24-707f-456e-b2c6-8a6f750e296d
Abdulhalim, I.
99e8f26d-49e2-4b00-9923-5fcc7bc89d78
Pannell, C.N.
002fadf4-f97e-4732-b171-73ed7563ee18
Payne, D.N.
4f592b24-707f-456e-b2c6-8a6f750e296d

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).

Record type: Article

Abstract

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 efficiencies 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.

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Published date: 28 June 1993

Identifiers

Local EPrints ID: 78288
URI: http://eprints.soton.ac.uk/id/eprint/78288
ISSN: 0003-6951
PURE UUID: bee3d6de-3ef7-4a40-8584-a319a6f56261

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Date deposited: 11 Mar 2010
Last modified: 14 Mar 2024 00:10

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Contributors

Author: I. Abdulhalim
Author: C.N. Pannell
Author: D.N. Payne

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