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Flexible electro-optic, single-crystal difference frequency generation architecture for ultrafast mid-infrared dual-comb spectroscopy

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dc.affiliation.dptoUC3M. Departamento de Tecnología Electrónicaes
dc.affiliation.grupoinvUC3M. Grupo de Investigación: Sensores y Técnicas de Instrumentaciónes
dc.contributor.authorJerez González, Borja
dc.contributor.authorMartín Mateos, Pedro
dc.contributor.authorWalla, Frederik William
dc.contributor.authorDios Fernández, Cristina de
dc.contributor.authorAcedo Gallardo, Pablo
dc.contributor.funderEuropean Commissiones
dc.contributor.funderMinisterio de Economía y Competitividad (España)es
dc.contributor.funderMinisterio de Educación, Cultura y Deporte (España)es
dc.date.accessioned2020-11-17T13:59:29Z
dc.date.available2020-11-17T13:59:29Z
dc.date.issued2018-06-20
dc.description.abstractCrowded with the fundamental signatures of many popular molecules, the mid-infrared range of the electromagnetic spectrum is particularly attractive for applications ranging from identification of transient phenomena to sensing of trace gases. Dual-comb spectroscopy is a technique that unveils the potential to access this region with a pair of phase-locked optical frequency combs on a high-resolution, real-time basis without the mechanical limitations of traditional spectrometers. As the ideal characteristics of an optical frequency comb are strongly influenced by the target application, electro-optic dual-comb systems are one of the most promising solutions with full capabilities to neatly fit to the application of interest beyond laboratory environments. Parameters such as resolution, measurement speed, or central wavelength are easily adjustable by means of compact, low-cost arrangements based on commercial off-the-shelf components. To fully exploit their potential for molecular spectroscopy, we present here a modular instrument designed to perform ultrafast dual-comb spectroscopy in the mid-infrared region. The architecture comprises a fiberized near-infrared electro-optic dual-comb scheme and a single-crystal difference frequency generation module to generate mid-infrared combs, thus significantly alleviating the complexity of the free-space setup while preserving absolute independence between the instrument and the sample of study. The feasibility of the instrument is successfully validated by recovering the absorption profile of methane at 2896.98 cm-1 within tens of microseconds.en
dc.description.sponsorshipThe authors would like to thank the Spanish Ministry of Economy and Competitiveness for supporting the project under the grant TEC-2014-52147-R (MOSSI). The work by B.J. has been performed in the frame of an FPU Program, #FPU014/06338, granted by the Spanish Ministry of Education, Culture and Sports. The work by F.W. is supported by the Europeanproject H2020-MSCA-ITN-2015 (CELTA).en
dc.format.extent6es
dc.identifier.bibliographicCitationACS Photonics, 5(6), June 2018, Pp. 2348−2353en
dc.identifier.doihttps://doi.org/10.1021/acsphotonics.8b00143
dc.identifier.issn2330-4022
dc.identifier.publicationfirstpage2348es
dc.identifier.publicationissue6es
dc.identifier.publicationlastpage2353es
dc.identifier.publicationtitleACS Photonicsen
dc.identifier.publicationvolume5es
dc.identifier.urihttps://hdl.handle.net/10016/31435
dc.identifier.uxxiAR/0000021674
dc.language.isoenges
dc.publisherAmerican Chemical Societyen
dc.relation.projectIDinfo:eu-repo/grantAgreement/EC/H2020/675683/CELTAen
dc.relation.projectIDGobierno de España. TEC-2014-52147-R/MOSSIes
dc.relation.projectIDGobierno de España. FPU014/06338es
dc.rights© 2018 American Chemical Societyen
dc.rights.accessRightsopen accessen
dc.subject.ecienciaElectrónicaes
dc.subject.otherMid-infrared dual-comb spectroscopyen
dc.subject.otherDifference frequency generationen
dc.subject.otherElectro-optic optical frequency combsen
dc.subject.otherOptical gas analysisen
dc.subject.otherAbsorption spectroscopyen
dc.subject.otherReal-time measurementsen
dc.subject.otherMultiheterodyne detectionen
dc.subject.otherMgO:PPLN crystalsen
dc.titleFlexible electro-optic, single-crystal difference frequency generation architecture for ultrafast mid-infrared dual-comb spectroscopyen
dc.typeresearch article*
dc.type.hasVersionAM*
dspace.entity.typePublication
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