Two-Grating Talbot Bands Spectral Domain Interferometer

Marques, M.J. and Bradu, Adrian and Podoleanu, Adrian G.H. (2015) Two-Grating Talbot Bands Spectral Domain Interferometer. Optics Letters, 40 (17). pp. 4014-4017. ISSN 0146-9592. (doi:https://doi.org/10.1364/OL.40.004014) (Full text available)

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Abstract

A configuration for Talbot bands is presented, where two tilted gratings replace the splitter normally used for recombining the signals from the two interferometer arms. The two optical beams from the interferometer are launched by two fiber leads tightly brought together in the front focal plane of a collimating lens. As the tips of the two fibers are slightly off-axis, the emergent beams after the collimating lens are not parallel. In combination with the two tilted gratings, the non parallel launching of the two beams leads to total elimination of mirror terms even when the two beams overlap on either grating. The effects of several geometrical parameters on the visibility performance versus optical path difference between the two arm lengths of the interferometer are evaluated.

Item Type: Article
Subjects: Q Science > QC Physics > QC355 Optics
Q Science > QC Physics > QC411 Interference
Divisions: Faculties > Sciences > School of Physical Sciences > Applied Optics Group
Depositing User: M.J.M. Marques
Date Deposited: 19 Aug 2015 21:09 UTC
Last Modified: 08 Jun 2017 08:46 UTC
Resource URI: https://kar.kent.ac.uk/id/eprint/50227 (The current URI for this page, for reference purposes)
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