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Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 25, Iss. 24 — Dec. 15, 2000
  • pp: 1762–1764

Acousto-optic scanning system with very fast nonlinear scans

Nir Friedman, Ariel Kaplan, and Nir Davidson  »View Author Affiliations


Optics Letters, Vol. 25, Issue 24, pp. 1762-1764 (2000)
http://dx.doi.org/10.1364/OL.25.001762


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Abstract

A very fast (>100 kHz) acousto-optic scanning system, which relies on two counterpropagating acoustic waves with the same frequency modulation, is proposed and experimentally demonstrated. This scheme completely suppresses linear frequency chirp and thus permits very fast nonlinear scans and nonconstant linear scans. By changing the phase between the modulating signals, this scheme also provides very fast longitudinal scans of the focal point.

© 2000 Optical Society of America

OCIS Codes
(050.1590) Diffraction and gratings : Chirping
(070.1060) Fourier optics and signal processing : Acousto-optical signal processing
(120.5800) Instrumentation, measurement, and metrology : Scanners
(230.1040) Optical devices : Acousto-optical devices

Citation
Nir Friedman, Ariel Kaplan, and Nir Davidson, "Acousto-optic scanning system with very fast nonlinear scans," Opt. Lett. 25, 1762-1764 (2000)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-25-24-1762


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References

  1. A. VanderLugt, Optical Signal Processing (Wiley, New York, 1992).
  2. A. VanderLugt and A. M. Bardos, Appl. Opt. 31, 4058 (1992).
  3. N. Friedman, L. Khaykovich, R. Ozeri, and N. Davidson, Phys. Rev. A 61, 031403(R) (2000).
  4. R. Onofrio, D. S. Durfee, C. Raman, M. Kohl, C. E. Kuklewicz, and W. Ketterle, Phys. Rev. Lett. 84, 810 (2000).
  5. K. W. Madison, F. Chevy, W. Wohlleben, and J. Dalibard, Phys. Rev. Lett. 84, 806 (2000).
  6. One- and two-dimensional nonlinear scans can also be obtained with two and four acoustic transducers, respectively, attached to a single crystal.
  7. Our analysis is readily adapted for other laser beam shapes, with small changes of numerical constants.
  8. N. Davidson, A. A. Friesem, and E. Hasman, Appl. Opt. 31, 5426 (1992).
  9. N. Davidson and A. A. Friesem, J. Opt. Soc. Am. A 10, 1725 (1993).
  10. Brimrose Model TEF-110–60.
  11. The condition fmax<2fmin ensures the separation of the (+1,-1) diffraction order from the (+1, 0) one.
  12. O. Bryngdahl and W. H. Lee, Appl. Opt. 15, 183 (1976).

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