Mode hop free tunable blue laser

Kang Li, Hongying Wang, Jungang Huang, Ray Chaney, N. J. Copner

Research output: Chapter in Book/Report/Conference proceedingConference Proceeding (Non-Journal item)


A mode hop free tunable blue laser at 465 nm based on an external cavity system is investigated. The single longitudinal mode second-harmonic generation (SHG) blue laser was generated using quasi-phase matching (QPM) based MgO: PPLN pumped by infrared diode laser at 930 nm with one lasing longitudinal mode. The wide turning rang in excess of 100 GHz is achieved by using combination the etalon, silica glass plate and narrow band filter into the external cavity, which only allow one longitudinal mode running and operating wavelength tuning. 30 mw blue light was obtained at wavelength of 465 nm with beam quality better then M2=1.3.

Original languageEnglish
Title of host publicationSolid State Lasers XXI
Subtitle of host publicationTechnology and Devices
ISBN (Print)9780819488787
Publication statusPublished - 2012
Externally publishedYes
EventSolid State Lasers XXI: Technology and Devices - San Francisco, CA, United States of America
Duration: 22 Jan 201225 Jan 2012

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
ISSN (Print)0277-786X
ISSN (Electronic)1996-756X


ConferenceSolid State Lasers XXI: Technology and Devices
Country/TerritoryUnited States of America
CitySan Francisco, CA
Period22 Jan 201225 Jan 2012


  • Blue laser
  • Diode lasers
  • Etalon
  • External cavity


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