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Optics Letters

Optics Letters


  • Vol. 27, Iss. 16 — Aug. 15, 2002
  • pp: 1373–1375

Polarization interferometric stellar coronagraph

Naoshi Baba, Naoshi Murakami, Tsuyoshi Ishigaki, and Nobuyuki Hashimoto  »View Author Affiliations

Optics Letters, Vol. 27, Issue 16, pp. 1373-1375 (2002)

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A nulling stellar coronagraph based on polarization interferometry is proposed that has achromatic characteristics. The principle and the optical setup of the nulling stellar coronagraph are described. Experimental results with monochromatic and white light show the usefulness of the proposed method. A liquid-crystal device is used as a four-quadrant polarization mask, which is the key element of a polarization interferometric stellar coronagraph.

© 2002 Optical Society of America

OCIS Codes
(110.2970) Imaging systems : Image detection systems
(120.3180) Instrumentation, measurement, and metrology : Interferometry
(120.4640) Instrumentation, measurement, and metrology : Optical instruments
(230.3720) Optical devices : Liquid-crystal devices
(260.5430) Physical optics : Polarization
(350.1260) Other areas of optics : Astronomical optics

Naoshi Baba, Naoshi Murakami, Tsuyoshi Ishigaki, and Nobuyuki Hashimoto, "Polarization interferometric stellar coronagraph," Opt. Lett. 27, 1373-1375 (2002)

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