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Enhancing signal detection and completely eliminating scattering using quasi-phase-cycling in 2D IR experiments - Zurich Open Repository and Archive


Bloem, R; Garrett-Roe, S; Strzalka, H; Hamm, P; Donaldson, P M (2010). Enhancing signal detection and completely eliminating scattering using quasi-phase-cycling in 2D IR experiments. Optics Express, 18(26):27067-27078.

Abstract

We demonstrate how quasi-phase-cycling achieved by sub-cycle delay modulation can be used to replace optical chopping in a box-CARS 2D IR experiment in order to enhance the signal size, and, at the same time, completely eliminate any scattering contamination. Two optical devices are described that can be used for this purpose, a wobbling Brewster window and a photoelastic modulator. They are simple to construct, easy to incorporate into any existing 2D IR setup, and have attractive features such as a high optical throughput and a fast modulation frequency needed to phase cycle on a shot-to-shot basis.

Abstract

We demonstrate how quasi-phase-cycling achieved by sub-cycle delay modulation can be used to replace optical chopping in a box-CARS 2D IR experiment in order to enhance the signal size, and, at the same time, completely eliminate any scattering contamination. Two optical devices are described that can be used for this purpose, a wobbling Brewster window and a photoelastic modulator. They are simple to construct, easy to incorporate into any existing 2D IR setup, and have attractive features such as a high optical throughput and a fast modulation frequency needed to phase cycle on a shot-to-shot basis.

Citations

30 citations in Web of Science®
28 citations in Scopus®
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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:07 Faculty of Science > Department of Chemistry
Dewey Decimal Classification:540 Chemistry
Language:English
Date:2010
Deposited On:08 Feb 2011 15:57
Last Modified:10 Mar 2017 08:05
Publisher:Optical Society of America (OSA)
ISSN:1094-4087
Funders:ERC
Publisher DOI:https://doi.org/10.1364/OE.18.027067
PubMed ID:21196983

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