Pulse photoacoustic technique for the study of vibrational relaxation in gases
Characteristic peculiarities of the formation of the photoacoustic-detector signal from excitation of absorbing gas molecules by a short laser pulse (τ(p) « τ(vt)) that allows for the natural oscillations of the microphone membrane are considered. A technique for τ(vt) measurement is proposed on the...
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| Veröffentlicht in: | Applied Optics 1995-02, Vol.34 (6), p.969-972 |
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| container_end_page | 972 |
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| container_issue | 6 |
| container_start_page | 969 |
| container_title | Applied Optics |
| container_volume | 34 |
| creator | Kapitanov, V A Tikhomirov, B A |
| description | Characteristic peculiarities of the formation of the photoacoustic-detector signal from excitation of absorbing gas molecules by a short laser pulse (τ(p) « τ(vt)) that allows for the natural oscillations of the microphone membrane are considered. A technique for τ(vt) measurement is proposed on the strength of the finding that the signal form is determined by the microphone membrane oscillation under low pressure (P ≤ 10 Torr). The results of measurement of the τ(vt) of the vibrational state ν(1) + 3ν(3) in H(2)O for the collisions H(2)O-(2)O and H(2)O-air are presented. |
| doi_str_mv | 10.1364/AO.34.000969 |
| format | Article |
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A technique for τ(vt) measurement is proposed on the strength of the finding that the signal form is determined by the microphone membrane oscillation under low pressure (P ≤ 10 Torr). The results of measurement of the τ(vt) of the vibrational state ν(1) + 3ν(3) in H(2)O for the collisions H(2)O-(2)O and H(2)O-air are presented.</description><identifier>ISSN: 1559-128X</identifier><identifier>ISSN: 0003-6935</identifier><identifier>EISSN: 1539-4522</identifier><identifier>DOI: 10.1364/AO.34.000969</identifier><identifier>PMID: 21037618</identifier><language>eng</language><publisher>United States</publisher><ispartof>Applied Optics, 1995-02, Vol.34 (6), p.969-972</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c288t-ef005ce87282559adb42ad80a3a534a95f9e44650bd8027bb105646edfd9a8e03</citedby><cites>FETCH-LOGICAL-c288t-ef005ce87282559adb42ad80a3a534a95f9e44650bd8027bb105646edfd9a8e03</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27903,27904</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/21037618$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Kapitanov, V A</creatorcontrib><creatorcontrib>Tikhomirov, B A</creatorcontrib><title>Pulse photoacoustic technique for the study of vibrational relaxation in gases</title><title>Applied Optics</title><addtitle>Appl Opt</addtitle><description>Characteristic peculiarities of the formation of the photoacoustic-detector signal from excitation of absorbing gas molecules by a short laser pulse (τ(p) « τ(vt)) that allows for the natural oscillations of the microphone membrane are considered. 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| fulltext | fulltext |
| identifier | ISSN: 1559-128X |
| ispartof | Applied Optics, 1995-02, Vol.34 (6), p.969-972 |
| issn | 1559-128X 0003-6935 1539-4522 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_762029306 |
| source | Alma/SFX Local Collection; Optica Publishing Group Journals |
| title | Pulse photoacoustic technique for the study of vibrational relaxation in gases |
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