Controlling the shape of Talbot bands' visibility

Woods, Daniel and Podoleanu, Adrian G.H. (2008) Controlling the shape of Talbot bands' visibility. Optics Express, 16 (13). pp. 9654-9670. ISSN 1094-4087. (The full text of this publication is not currently available from this repository. You may be able to access a copy if URLs are provided)

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We present a theoretical model to predict the sensitivity variation versus optical path difference (OPD) in Fourier domain spectral interferometry using configurations which produce Talbot bands. Such configurations require that the two interfering beams use different parts of the diffraction grating in the interrogating spectrometer. So far, the power distribution within the two beams in a Talbot bands experiment was considered uniform. In this report, we show that by manipulating the power distribution within the two interfering beams, the OPD value where maximum sensitivity is achieved can be conveniently tuned, as well as the sensitivity variation with OPD. Furthermore, creating a gap between the two beams leads to adjustment of the minimum detectable OPD value, while the width of the beams determine the maximum detectable OPD value. These features cannot be explained by theoretical models published so far involving spectrometer resolution elements only, while such features are correctly predicted by the model presented here.

Item Type: Article
Additional information: ISI Document Delivery No.: 325BT Times Cited: 0 Cited Reference Count: 32 Woods, Daniel Podoleanu, Adrian
Subjects: Q Science
Divisions: Faculties > Science Technology and Medical Studies > School of Physical Sciences > Optics
Depositing User: Adrian Podoleanu
Date Deposited: 10 Mar 2009 16:31
Last Modified: 03 Jun 2014 15:29
Resource URI: (The current URI for this page, for reference purposes)
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