| Active feedback regulation of a Michelson interferometer to achieve zero-background absorption measurements. | |
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MedLine Citation:
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PMID: 21263737 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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An active phase-controlling scheme based on a proportional-integral-derivative-controlled piezoelectric transducer is presented with the purpose of stabilizing a quasi-zero-background absorption spectrometer. A fiber-based balanced Michelson interferometer is used, and absorption due to a gas sample in one of its arms results in an increased light signal to a detector, which otherwise, thanks to destructive interference, experiences a very low light level. With the presented approach, the sensitivity of already potent absorption measurement techniques, e.g., based on modulation, could be improved even further. |
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Authors:
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Patrik Lundin; Zuguang Guan; Sune Svanberg |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Applied optics Volume: 50 ISSN: 1539-4522 ISO Abbreviation: Appl Opt Publication Date: 2011 Jan |
Date Detail:
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Created Date: 2011-01-25 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0247660 Medline TA: Appl Opt Country: United States |
Other Details:
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Languages: eng Pagination: 373-8 Citation Subset: IM |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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