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Proceedings Paper

Achromatic phase shifting using adjustable dispersive elements
Author(s): Arjan L. Mieremet; Joseph J. M. Braat; Henk Bokhove; Karen Ravel
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Paper Abstract

We describe a theoretical concept of achromatic phase shifting using dispersive elements. This concept is able to provide any desirable phase shift. Its achromatic behavior in terms of spectral bandwidth and/or residual phase shift error can be improved by increasing the number of elements. Furthermore, the ability to adjust the optical path through each element enables to overcome manufacturing inaccuracy. We show some theoretical curves of residual phase shift errors obtained with this method over a wavelength region from 400 nm to 1000 nm.

Paper Details

Date Published: 5 July 2000
PDF: 7 pages
Proc. SPIE 4006, Interferometry in Optical Astronomy, (5 July 2000); doi: 10.1117/12.390184
Show Author Affiliations
Arjan L. Mieremet, Delft Univ. of Technology (Netherlands)
Joseph J. M. Braat, Delft Univ. of Technology (Netherlands)
Henk Bokhove, TNO Institute of Applied Physics (Netherlands)
Karen Ravel, Ecole Superieure d'Optique (France)


Published in SPIE Proceedings Vol. 4006:
Interferometry in Optical Astronomy
Pierre J. Lena; Andreas Quirrenbach, Editor(s)

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