CORRECTION FOR FREQUENCY DISPERSION IN A MICHELSON INTERFEROMETER FORA SMALL DIFFERENCE OF ARM LENGTHS

Authors
Citation
Yv. Troitskii, CORRECTION FOR FREQUENCY DISPERSION IN A MICHELSON INTERFEROMETER FORA SMALL DIFFERENCE OF ARM LENGTHS, Optics and spectroscopy, 85(4), 1998, pp. 631-635
Citations number
8
Categorie Soggetti
Spectroscopy,Optics
Journal title
ISSN journal
0030400X
Volume
85
Issue
4
Year of publication
1998
Pages
631 - 635
Database
ISI
SICI code
0030-400X(1998)85:4<631:CFFDIA>2.0.ZU;2-7
Abstract
Attention is drawn to the necessity of correction for frequency disper sion in a Michelson interferometer intended for recording extremely sm all displacements in the case where the operating point does not coinc ide with the center of a bright fringe. It is proposed to use for corr ection either insertions of a dispersion dielectric, or mirrors with a noticeable dispersion of reflection phase, or a special Fabry-Perot i nterferometer. As a result, a Michelson interferometer in the first ap proximation becomes insensitive to the spectral width of a radiation s ource, The case of a dispersion mirror is considered in most detail.