Direct determination of isochromatic fringe order by use of two wavelengths

Authors
Hu, CH
Citation
Ch. Hu, Direct determination of isochromatic fringe order by use of two wavelengths, APPL OPTICS, 38(25), 1999, pp. 5384-5387
Citations number
13
Categorie Soggetti
Apllied Physucs/Condensed Matter/Materiales Science","Optics & Acoustics
Journal title
APPLIED OPTICS
ISSN journal
00036935 → ACNP
Volume
38
Issue
25
Year of publication
1999
Pages
5384 - 5387
Database
ISI
SICI code
0003-6935(19990901)38:25<5384:DDOIFO>2.0.ZU;2-T
Abstract
A method of direct determination of photoelastic fringe order is proposed. The relations between the integral fringe order for one wavelength and the fractional fringe orders of two wavelengths are derived. The exact fringe o rder of the whole field is automatically calculated. The usefulness of this method is demonstrated through experimental result. (C) 1999 Optical Socie ty of America. OCIS codes: 120.2650, 050.5080, 120.5710.