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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 48, Iss. 30 — Oct. 20, 2009
  • pp: 5786–5792

Cross-correlation technique for dispersion characterization of chirped volume Bragg gratings

Oleksiy Andrusyak, Lionel Canioni, Ion Cohanoschi, Eugeniu Rotari, Vadim Smirnov, George Venus, and Leonid Glebov  »View Author Affiliations


Applied Optics, Vol. 48, Issue 30, pp. 5786-5792 (2009)
http://dx.doi.org/10.1364/AO.48.005786


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Abstract

We propose using cross-correlation frequency-resolved optical gating for dispersion characterization of optical elements with high dispersion, such as ultrashort pulse stretchers and compressors. The technique is based on spectrally resolved second-order cross correlation (sum frequency generation) of a stretched pulse with a reference short pulse. Dispersion of optical elements with a high pulse stretching ratio can be completely characterized using this method, even with moderate resolution of spectral measurements of the cross-correlation signal. The proposed technique is used to measure dispersion of a chirped Bragg grating recorded in photo-thermo-refractive glass. It was found that dispersion of these gratings is almost linear with wavelength and has approximately the same slope with opposite signs for two orientations of the grating with opposite faces of the grating used as the input face. Analysis of higher-order dispersion of the grating shows some variations of dispersion across the aperture of the grating, mostly in the amount of third-order dispersion contribution.

© 2009 Optical Society of America

OCIS Codes
(050.1590) Diffraction and gratings : Chirping
(050.7330) Diffraction and gratings : Volume gratings
(140.7090) Lasers and laser optics : Ultrafast lasers
(160.5320) Materials : Photorefractive materials
(190.7110) Nonlinear optics : Ultrafast nonlinear optics
(320.5520) Ultrafast optics : Pulse compression

ToC Category:
Diffraction and Gratings

History
Original Manuscript: July 20, 2009
Manuscript Accepted: September 18, 2009
Published: October 15, 2009

Citation
Oleksiy Andrusyak, Lionel Canioni, Ion Cohanoschi, Eugeniu Rotari, Vadim Smirnov, George Venus, and Leonid Glebov, "Cross-correlation technique for dispersion characterization of chirped volume Bragg gratings," Appl. Opt. 48, 5786-5792 (2009)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-48-30-5786

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