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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 22, Iss. 2 — Jan. 15, 1997
  • pp: 96–98

Low-loss all-fiber acousto-optic tunable filter

D. O. Culverhouse, S. H. Yun, D. J. Richardson, T. A. Birks, S. G. Farwell, and P. St.J. Russell  »View Author Affiliations


Optics Letters, Vol. 22, Issue 2, pp. 96-98 (1997)
http://dx.doi.org/10.1364/OL.22.000096


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Abstract

We report significant advances in the development of simple all-fiber, tunable acousto-optic spectral filters based on null couplers. The performance agrees well with theoretical predictions and is attributed to improved control of the coupler uniformity. Furthermore, using a double-pass arrangement, we demonstrate filter bandwidth reduction and improved sidelobe suppression of -20 dB . The double-pass configuration is also shown to double the frequency shifts that are obtainable from such devices.

© 1997 Optical Society of America

Citation
D. O. Culverhouse, S. H. Yun, D. J. Richardson, T. A. Birks, S. G. Farwell, and P. St.J. Russell, "Low-loss all-fiber acousto-optic tunable filter," Opt. Lett. 22, 96-98 (1997)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-22-2-96


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