Publication:
Low-threshold diode-pumped 2.3-mu m Tm3+:YLF lasers

dc.contributor.departmentDepartment of Physics
dc.contributor.departmentKUYTAM (Koç University Surface Science and Technology Center)
dc.contributor.departmentGraduate School of Sciences and Engineering
dc.contributor.kuauthorYorulmaz, İsmail
dc.contributor.kuauthorSennaroğlu, Alphan
dc.contributor.kuprofilePhD Student
dc.contributor.kuprofileFaculty Member
dc.contributor.schoolcollegeinstituteGRADUATE SCHOOL OF SCIENCES AND ENGINEERING
dc.contributor.schoolcollegeinstituteCollege of Sciences
dc.contributor.schoolcollegeinstituteResearch Center
dc.contributor.yokidN/A
dc.contributor.yokid23851
dc.date.accessioned2024-11-09T23:22:36Z
dc.date.issued2018
dc.description.abstractWe demonstrate low-threshold diode-pumped operation of a continuous-wave Tm3+:YLF laser near 2.3 mu m and provide a detailed experimental investigation of its lasing characteristics. A narrow-line, tunable Ti3+:sapphire laser was first used to measure the excitation spectrum and investigate the absorption saturation behavior of the 1.5 at.% Tm3+:YLF gain medium. A single-mode, 120-mW laser diode operating at 792 nm was then used as a pump source to demonstrate low-threshold lasing at 2.3 mu m. With a 1% output coupler, diode-pumped operation could be obtained with as low as 25 mW of incident threshold pump power. With 119 mW of pump power, as high as 10.5 mW of out-put power could be obtained at 2305 nm with a slope efficiency of 11.4%. By using a second, 250-mW laser diode, a resonator with variable output coupling was constructed to measure the threshold pump power and power slope efficiency as a function of output coupling. The minimum threshold pump power at output coupling levels approaching 0% was measured to be 4 mW. Results further showed that the slope efficiency decreased with increasing output coupling beyond 0.7%. The stimulated emission cross section at 2305 nm was further determined to be 0.68 x 10(-20) cm(2) from lasing threshold data.
dc.description.indexedbyWoS
dc.description.indexedbyScopus
dc.description.issue5
dc.description.openaccessNO
dc.description.publisherscopeInternational
dc.description.sponsoredbyTubitakEuTÜBİTAK
dc.description.sponsorshipScientific and Technological Research Council of Turkey (TUBITAK) [114F185] This work was supported by the Scientific and Technological Research Council of Turkey (TUBITAK) under Grant 114F185.
dc.description.volume24
dc.identifier.doi10.1109/JSTQE.2018.2791409
dc.identifier.eissn1558-4542
dc.identifier.issn1077-260X
dc.identifier.scopus2-s2.0-85041680312
dc.identifier.urihttp://dx.doi.org/10.1109/JSTQE.2018.2791409
dc.identifier.urihttps://hdl.handle.net/20.500.14288/11094
dc.identifier.wos426341800001
dc.keywordsLasers
dc.keywordsLaser tuning
dc.keywordsSolid lasers
dc.languageEnglish
dc.publisherIEEE-Inst Electrical Electronics Engineers Inc
dc.sourceIEEE Journal of Selected Topics in Quantum Electronics
dc.subjectElectrical electronics engineering
dc.subjectQuantum electronics
dc.subjectElectronics
dc.subjectTechnology
dc.subjectOptics
dc.subjectPhysics
dc.titleLow-threshold diode-pumped 2.3-mu m Tm3+:YLF lasers
dc.typeJournal Article
dspace.entity.typePublication
local.contributor.authoridN/A
local.contributor.authorid0000-0003-4391-0189
local.contributor.kuauthorYorulmaz, İsmail
local.contributor.kuauthorSennaroğlu, Alphan
local.publication.orgunit1GRADUATE SCHOOL OF SCIENCES AND ENGINEERING
local.publication.orgunit1College of Sciences
local.publication.orgunit1Research Center
local.publication.orgunit2Department of Physics
local.publication.orgunit2KUYTAM (Koç University Surface Science and Technology Center)
local.publication.orgunit2Graduate School of Sciences and Engineering
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