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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 6, Iss. 12 — Dec. 1, 1981
  • pp: 622–624

Two-wave mixing and energy transfer in Bi12SiO20 crystals: application to image amplification and vibration analysis

J. P. Huignard and A. Marrakchi  »View Author Affiliations


Optics Letters, Vol. 6, Issue 12, pp. 622-624 (1981)
http://dx.doi.org/10.1364/OL.6.000622


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Abstract

The energy transfer between two beams (signal and reference, respectively) writing a dynamic-volume hologram in photorefractive BSO crystals is applied to the image amplification of a diffuse object. The image intensity transmitted by the crystal is amplified 10 × in the presence of the pump reference beam. The crystal is used in the drift recording mode (applied electric field, E0 = 10 kV cm−1; fringe spacing, Λ = 3 μm), and beam coupling is induced by the nonlocal response of the crystal that is due to the fringe displacement at a constant speed. We have applied this two-wave mixing configuration to a real-time optical-processing operation; the related energy transfer and stationary image amplification permit the mode pattern visualization of a vibrating structure.

© 1981 Optical Society of America

History
Original Manuscript: August 10, 1981
Published: December 1, 1981

Citation
J. P. Huignard and A. Marrakchi, "Two-wave mixing and energy transfer in Bi12SiO20 crystals: application to image amplification and vibration analysis," Opt. Lett. 6, 622-624 (1981)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-6-12-622

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