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Article: Sensitivity-enhanced ultrafast optical tomography by parametric- and Raman-amplified temporal imaging

TitleSensitivity-enhanced ultrafast optical tomography by parametric- and Raman-amplified temporal imaging
Authors
KeywordsOptical tomography
Time domain analysis
Issue Date2018
PublisherOptical Society of America. The Journal's web site is located at http://www.opticsinfobase.org/current.cfm?journal=3
Citation
Optics Letters, 2018, v. 43 n. 22, p. 5673-5676 How to Cite?
AbstractTo overcome the speed limitation of conventional optical tomography, a temporal imaging technique has been integrated with optical time-domain reflectometry to realize ultrafast temporally magnified (TM) tomography. In this Letter, the sensitivity of TM tomography has been further enhanced using optical parametric amplification and distributed Raman amplification, and this technique is named temporally encoded amplified and magnified (TEAM) tomography. As a result, a 78-dB sensitivity has been realized, comparable to ultrafast optical coherence tomography systems. In addition, an 86.7-μm axial resolution can be realized across a 67.5-mm imaging range. To demonstrate the significance of sensitivity improvement, tomographic imaging of a centimeter-thick phantom is provided at an A-scan rate of 44 MHz.
Persistent Identifierhttp://hdl.handle.net/10722/277233
ISSN
2017 Impact Factor: 3.589
2015 SCImago Journal Rankings: 2.397

 

DC FieldValueLanguage
dc.contributor.authorYang, L-
dc.contributor.authorWANG, S-
dc.contributor.authorKANG, J-
dc.contributor.authorFENG, P-
dc.contributor.authorZhang, C-
dc.contributor.authorLI, B-
dc.contributor.authorWong, KKY-
dc.date.accessioned2019-09-20T08:47:08Z-
dc.date.available2019-09-20T08:47:08Z-
dc.date.issued2018-
dc.identifier.citationOptics Letters, 2018, v. 43 n. 22, p. 5673-5676-
dc.identifier.issn0146-9592-
dc.identifier.urihttp://hdl.handle.net/10722/277233-
dc.description.abstractTo overcome the speed limitation of conventional optical tomography, a temporal imaging technique has been integrated with optical time-domain reflectometry to realize ultrafast temporally magnified (TM) tomography. In this Letter, the sensitivity of TM tomography has been further enhanced using optical parametric amplification and distributed Raman amplification, and this technique is named temporally encoded amplified and magnified (TEAM) tomography. As a result, a 78-dB sensitivity has been realized, comparable to ultrafast optical coherence tomography systems. In addition, an 86.7-μm axial resolution can be realized across a 67.5-mm imaging range. To demonstrate the significance of sensitivity improvement, tomographic imaging of a centimeter-thick phantom is provided at an A-scan rate of 44 MHz.-
dc.languageeng-
dc.publisherOptical Society of America. The Journal's web site is located at http://www.opticsinfobase.org/current.cfm?journal=3-
dc.relation.ispartofOptics Letters-
dc.rightsOptics Letters. Copyright © Optical Society of America.-
dc.rights© XXXX [year] Optical Society of America]. One print or electronic copy may be made for personal use only. Systematic reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modifications of the content of this paper are prohibited.-
dc.subjectOptical tomography-
dc.subjectTime domain analysis-
dc.titleSensitivity-enhanced ultrafast optical tomography by parametric- and Raman-amplified temporal imaging-
dc.typeArticle-
dc.identifier.emailWong, KKY: kywong@eee.hku.hk-
dc.identifier.authorityWong, KKY=rp00189-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1364/OL.43.005673-
dc.identifier.pmid30439925-
dc.identifier.scopuseid_2-s2.0-85056455152-
dc.identifier.scopuseid_2-s2.0-85056455152-
dc.identifier.hkuros305789-
dc.identifier.volume43-
dc.identifier.issue22-
dc.identifier.spage5673-
dc.identifier.epage5676-
dc.publisher.placeUnited States-

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