N2レーザー励起有機色素混合物系のエネルギー移動
によるレーザー発振の研究-1-装置(レーザー)およ
びローダミン6G-クレシルバイオレット色素混合系
著者
KUSUMOTO Yoshifumi, SATO Hiroyasu, MAENO
Kazuto
journal or
publication title
鹿児島大学理科報告
volume
26
page range
151-156
year
1977
別言語のタイトル
Study of Lasing by Means of Energy Transfer in
Organic Dye Mixtures Pumped by an N2 Laser. l.
Apparatus (Lasers) and Rhodamine 6G-Cresyl
Violet Dye Mixture System
By YoshihumiKusuMoTo,HiroyasuSATo,andKazutoMAENo* CノzemicaII"sが”e,CO"e9gq/L坊e7alIA7ts,Ka9oshimaU"jひe7sがy, Ko7”0t0,Kα90sノzima890 (ReceivedMay4,1977) Sci・Rep・KagoshimaUniv.,No.26,pp、151-156,Sept.,1977 Thenitrogenanddyelasersystemhasbeenconstructedandasanexampleofitsapplicationthelaser characteristicsoftherhodamine6G-cresylvioletdyemixturesystemhavebeenstudiedlthasbeen fbundthatmostofthepumppowerabsorbedbyrhodamine6GistransfbrredtocresylvioletasausefUl pumppower・Inaddition,ourlasersystemhasbeenshowntobee髄cientlypowerfUlforspectroscopic stl'rIies.
S麺dyofLzIsingbyMea風sofEnergyTransferi皿OrganicDye
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154 3.ResultsandDiscussio、 3.1.Crj〃iα/b7・SeIec伽9伽DC"07.−AccePm7・Sys舵m Twosolutes,oneadonor(Rh-6G)andtheotheranacceptor(CV)weredissolvedin asolvent(methanol).Here,itshouldbeemphasizedthatthisacceptorcompoundwasemployedbecauseofitshigherlasingthresholdrelativetothedonorwhenpumped
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156 YoshihumiKusuMom,HiroyasuSATo,andKazutoMAENo usingthesametwodyes,havebeenperfbrmedearlierbyMoellereMI.4)andbyDienes andMadden、5)Ontheotherhand,Castelli'0)hasreportedstimulatedemissionofCV pumpedbyanN21aseroraRh−6Gdyelaserandhasshownthatthelasingefficiencyof CVismuchhigherfbrpumpingwithaRh-6GdyelaserthanfbrthatwithaN21aser・ Ourconclusionisingoodagreementwiththeirs,4,5,1o) InarelatedexperimentwehavealsotesteddyemixturescontainingRh−6Gasadonor and3,3'-.iethylthiacarbocyanineiodideasanacceptoratvariousconcentrations・ Theresultsobtainedwillbepresentedelsewhere、11) 4.Summary WehaVeinvestigatedthelasingcharacteristicsofRh-6G-CVmixturesbymeasure‐ mentsoftheabsorption,fluorescence,andlaseremissionspectraaswellaslasingthreshold・ ItwasshoWnthatenergytransfbrfromtheRh-6Gdonordecreasesthethresholdpump intensitythanthatneededfbrdirectexcitationoftheCVacceptor・Inaddition,itwas shownthatitispossibletostudytheenergytransfbrdyelaserwithourlasersystem becausethepumpingoutputpowerofthenitrogenlaserisefficientlypowerM. Acknowledgment TheauthorswishtothankProfessorTeiichiroOgawaandMr、Totarolmasaka,the FacultyofEngineering,KyushuUniVersity,fbrtheirguidanceintheconstructionofthe