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Journal of Lightwave Technology

Journal of Lightwave Technology


  • Vol. 25, Iss. 1 — Jan. 1, 2007
  • pp: 367–371

Direct UV-Written Integrated Optical Beam Combiner for Stellar Interferometry

Massimo Olivero, Mikael Svalgaard, Laurent Jocou, and Jean-Philippe Berger

Journal of Lightwave Technology, Vol. 25, Issue 1, pp. 367-371 (2007)

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In this paper, we report the fabrication of an optical-beam combiner for stellar interferometry by means of direct ultraviolet (UV) writing. The component is shown to have good performance (fringe contrast > 95%, total loss ~ 0.7, -40-dB crosstalk, broadband operation covering at least the range 1.49–1.65 μm, and low differential chromatic dispersion). The overall performance exceeds that of similar components currently used for astronomical research. This result, combined with the fast-prototyping ability of UV writing, opens up new possibilities for the realization of highly optimized integrated-optical components for astronomical research.

© 2007 IEEE

Massimo Olivero, Mikael Svalgaard, Laurent Jocou, and Jean-Philippe Berger, "Direct UV-Written Integrated Optical Beam Combiner for Stellar Interferometry," J. Lightwave Technol. 25, 367-371 (2007)

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