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Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 28, Iss. 18 — Sep. 15, 2003
  • pp: 1665–1667

Heat treatment for reduction of surface roughness on holographic gratings

Rabi Rabady, Dmitry Frankstein, and Ivan Avrutsky  »View Author Affiliations


Optics Letters, Vol. 28, Issue 18, pp. 1665-1667 (2003)
http://dx.doi.org/10.1364/OL.28.001665


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Abstract

Controlled postdevelopment heat treatment of the photoresist polymer used in the preparation of holographic gratings has been shown to enhance the diffraction efficiency of gratings and reduce the scattering losses. We prove this effect by analyzing the resonant reflection spectra of a waveguide grating and observing the reduction in the arc-shaped light scattering associated with the excitation of waveguide modes.

© 2003 Optical Society of America

OCIS Codes
(050.2770) Diffraction and gratings : Gratings
(290.5820) Scattering : Scattering measurements
(290.5880) Scattering : Scattering, rough surfaces

Citation
Rabi Rabady, Dmitry Frankstein, and Ivan Avrutsky, "Heat treatment for reduction of surface roughness on holographic gratings," Opt. Lett. 28, 1665-1667 (2003)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-28-18-1665

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