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Applied Optics

Applied Optics


  • Vol. 43, Iss. 15 — May. 20, 2004
  • pp: 3140–3144

Two-point source interferometric grating writing

Brian J. Ashton, John Canning, and Nathaniel Groothoff  »View Author Affiliations

Applied Optics, Vol. 43, Issue 15, pp. 3140-3144 (2004)

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A novel grating-writing interferometer is demonstrated. This interferometer is compact, stable, and tunable well over 1000 nm and does not suffer from the inherent path-length differences that are present in other methods. It allows for high-quality gratings to be inscribed by preventing light from unwanted orders from affecting the fringe pattern. This technique is used to introduce a novel method of apodization based on removing the Fresnel end reflections in a grating. The experimental evidence proves the concept and shows that the technique is potentially useful for Bragg-grating inscription.

© 2004 Optical Society of America

OCIS Codes
(050.2770) Diffraction and gratings : Gratings
(060.2340) Fiber optics and optical communications : Fiber optics components
(230.1480) Optical devices : Bragg reflectors
(230.1950) Optical devices : Diffraction gratings

Original Manuscript: February 14, 2003
Revised Manuscript: September 17, 2003
Published: May 20, 2004

Brian J. Ashton, John Canning, and Nathaniel Groothoff, "Two-point source interferometric grating writing," Appl. Opt. 43, 3140-3144 (2004)

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