Efficient population inversion in excimer states by supersonic expansion of discharge plasmas
Laser emission at 126 nm has been obtained from excimers of Ar(2) excited electrically in a nozzle discharge followed by supersonic expansion. The direct measurement of light amplification with a tunable VUV probe leads to a gain of >3 cm(-1). This high gain arises from efficient population inver...
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| Veröffentlicht in: | Opt. Lett.; (United States) 1989-06, Vol.14 (12), p.624-626 |
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| container_title | Opt. Lett.; (United States) |
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| creator | Efthimiopoulos, T Stoicheff, B P Thompson, R I |
| description | Laser emission at 126 nm has been obtained from excimers of Ar(2) excited electrically in a nozzle discharge followed by supersonic expansion. The direct measurement of light amplification with a tunable VUV probe leads to a gain of >3 cm(-1). This high gain arises from efficient population inversion of low vibrational and rotational levels of the excimer state brought about by the supersonic expansion and cooling of the discharge plasma. |
| doi_str_mv | 10.1364/OL.14.000624 |
| format | Article |
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The direct measurement of light amplification with a tunable VUV probe leads to a gain of >3 cm(-1). This high gain arises from efficient population inversion of low vibrational and rotational levels of the excimer state brought about by the supersonic expansion and cooling of the discharge plasma.</description><identifier>ISSN: 0146-9592</identifier><identifier>EISSN: 1539-4794</identifier><identifier>DOI: 10.1364/OL.14.000624</identifier><identifier>PMID: 19752916</identifier><language>eng</language><publisher>United States</publisher><subject>420300 - Engineering- Lasers- (-1989) ; AMPLIFICATION ; ARGON ; ELECTRIC DISCHARGES ; ELECTROMAGNETIC RADIATION ; ELEMENTS ; EMISSION SPECTRA ; ENGINEERING ; EXCIMER LASERS ; EXPANSION ; FAR ULTRAVIOLET RADIATION ; FLUID FLOW ; FLUIDS ; GAIN ; GAS LASERS ; GASES ; LASERS ; NONMETALS ; PLASMA EXPANSION ; POPULATION INVERSION ; RADIATIONS ; RARE GASES ; SPECTRA ; SUPERSONIC FLOW ; ULTRAVIOLET RADIATION</subject><ispartof>Opt. 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Lett.; (United States)</title><addtitle>Opt Lett</addtitle><description>Laser emission at 126 nm has been obtained from excimers of Ar(2) excited electrically in a nozzle discharge followed by supersonic expansion. The direct measurement of light amplification with a tunable VUV probe leads to a gain of >3 cm(-1). 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Lett.; (United States)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Efthimiopoulos, T</au><au>Stoicheff, B P</au><au>Thompson, R I</au><aucorp>Department of Physics and the Ontario Laser and Lightwave Research Centre, University of Toronto, Toronto, Ontario M5S 1A7, Canada(CA)</aucorp><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Efficient population inversion in excimer states by supersonic expansion of discharge plasmas</atitle><jtitle>Opt. Lett.; (United States)</jtitle><addtitle>Opt Lett</addtitle><date>1989-06-15</date><risdate>1989</risdate><volume>14</volume><issue>12</issue><spage>624</spage><epage>626</epage><pages>624-626</pages><issn>0146-9592</issn><eissn>1539-4794</eissn><abstract>Laser emission at 126 nm has been obtained from excimers of Ar(2) excited electrically in a nozzle discharge followed by supersonic expansion. The direct measurement of light amplification with a tunable VUV probe leads to a gain of >3 cm(-1). This high gain arises from efficient population inversion of low vibrational and rotational levels of the excimer state brought about by the supersonic expansion and cooling of the discharge plasma.</abstract><cop>United States</cop><pmid>19752916</pmid><doi>10.1364/OL.14.000624</doi><tpages>3</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0146-9592 |
| ispartof | Opt. Lett.; (United States), 1989-06, Vol.14 (12), p.624-626 |
| issn | 0146-9592 1539-4794 |
| language | eng |
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| source | Optica Publishing Group Journals |
| subjects | 420300 - Engineering- Lasers- (-1989) AMPLIFICATION ARGON ELECTRIC DISCHARGES ELECTROMAGNETIC RADIATION ELEMENTS EMISSION SPECTRA ENGINEERING EXCIMER LASERS EXPANSION FAR ULTRAVIOLET RADIATION FLUID FLOW FLUIDS GAIN GAS LASERS GASES LASERS NONMETALS PLASMA EXPANSION POPULATION INVERSION RADIATIONS RARE GASES SPECTRA SUPERSONIC FLOW ULTRAVIOLET RADIATION |
| title | Efficient population inversion in excimer states by supersonic expansion of discharge plasmas |
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