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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Anthony J. Campillo
  • Vol. 32, Iss. 9 — May. 1, 2007
  • pp: 1081–1083

Optical mosaic gratings made by consecutive, phase-interlocked, holographic exposures using diffraction from latent fringes

Lijiang Zeng and Lifeng Li  »View Author Affiliations


Optics Letters, Vol. 32, Issue 9, pp. 1081-1083 (2007)
http://dx.doi.org/10.1364/OL.32.001081


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Abstract

We propose and demonstrate a method for fabricating large optical mosaic gratings, i.e., gratings made by consecutive, phase-interlocked, holographic exposures on single substrates. It takes advantage of the latent fringes generated by the preceding exposure to align the substrate for the following exposure. Good angular alignment accuracy and period consistency between the fringes recorded by consecutive exposures can be achieved by using the large-area moiré pattern produced by the latent fringes and the alignment beams. Phase-interlocking accuracy of less than 4° between consecutive exposures was experimentally achieved by using the heterodyne detection technique.

© 2007 Optical Society of America

OCIS Codes
(050.1950) Diffraction and gratings : Diffraction gratings
(050.2770) Diffraction and gratings : Gratings
(090.2890) Holography : Holographic optical elements
(120.2880) Instrumentation, measurement, and metrology : Holographic interferometry
(320.5520) Ultrafast optics : Pulse compression

ToC Category:
Instrumentation, Measurement, and Metrology

History
Original Manuscript: December 4, 2006
Revised Manuscript: February 6, 2007
Manuscript Accepted: February 9, 2007
Published: April 3, 2007

Citation
Lijiang Zeng and Lifeng Li, "Optical mosaic gratings made by consecutive, phase-interlocked, holographic exposures using diffraction from latent fringes," Opt. Lett. 32, 1081-1083 (2007)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-32-9-1081

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