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Applied Optics

Applied Optics


  • Editor: James C. Wyant
  • Vol. 46, Iss. 24 — Aug. 20, 2007
  • pp: 6092–6095

Reflective diffractive beam splitter for laser interferometers

Stephan Fahr, Tina Clausnitzer, Ernst-Bernhard Kley, and Andreas Tünnermann  »View Author Affiliations

Applied Optics, Vol. 46, Issue 24, pp. 6092-6095 (2007)

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The first realization of a reflective 50 / 50 beam splitter based on a dielectric diffraction grating suitable for high-power laser interferometers is reported. The beam splitter is designed to operate at a wavelength of 1064   nm and in s polarization. To minimize the performance degradation of the device that is due to fabrication fluctuations, during the design process special attention was paid to achieve high fabrication tolerances especially of groove width and depth. Applying this beam splitter to high-power laser interferometers, such as future gravitational wave detectors, will avoid critical thermal lensing effects and allow for the free choice of substrate materials.

© 2007 Optical Society of America

OCIS Codes
(050.1950) Diffraction and gratings : Diffraction gratings
(230.1360) Optical devices : Beam splitters

ToC Category:
Diffraction and Gratings

Original Manuscript: February 9, 2007
Revised Manuscript: June 5, 2007
Manuscript Accepted: June 21, 2007
Published: August 14, 2007

Stephan Fahr, Tina Clausnitzer, Ernst-Bernhard Kley, and Andreas Tünnermann, "Reflective diffractive beam splitter for laser interferometers," Appl. Opt. 46, 6092-6095 (2007)

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