Photoacoustic effect as a liquid absorbance detector

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buir.contributor.orcidAtalar, Abdullah|0000-0002-1903-1240
dc.citation.epage3210en_US
dc.citation.issueNumber18en_US
dc.citation.spage3204en_US
dc.citation.volumeNumber19en_US
dc.contributor.authorAtalar, Abdullahen_US
dc.date.accessioned2019-03-28T07:35:31Z
dc.date.available2019-03-28T07:35:31Z
dc.date.issued1980-09en_US
dc.departmentDepartment of Electrical and Electronics Engineeringen_US
dc.description.abstractA theoretical treatment of the photoacoustic effect for a liquid enclosed in a cylindrical cell is given. Simple analytical expressions for the photoacoustic signal are derived for cw and pulse modulation schemes. Modulation frequency or pulse width dependence of the photoacoustic signal is discussed. For the cw modulation scheme it is found that more photoacoustic power is generated in a resonant cell than a nonresonant cell at the expense of bandwidth reduction. Conditions leading to 1/f dependence of the signal on modulation frequency are given. Experimental results are presented that support the simplified treatments. Eventual sensitivities of various excitation schemes under optimum conditions are calculated.en_US
dc.identifier.doi10.1364/AO.19.003204en_US
dc.identifier.eissn2155-3165
dc.identifier.issn1559-128X
dc.identifier.urihttp://hdl.handle.net/11693/50782
dc.language.isoEnglishen_US
dc.publisherOptical Society of Americaen_US
dc.relation.isversionofhttps://doi.org/10.1364/AO.19.003204en_US
dc.source.titleApplied Opticsen_US
dc.subjectAbsorption coefficienten_US
dc.subjectFrequency modulated lasersen_US
dc.subjectLaser beamsen_US
dc.subjectLaser lighten_US
dc.subjectLaser sourcesen_US
dc.subjectModulation techniquesen_US
dc.titlePhotoacoustic effect as a liquid absorbance detectoren_US
dc.typeArticleen_US

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