Solid-State Dye Laser with Photo-Induced Distributed Feedback
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概要
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This paper describes the action of a solid-state dye laser utilizing a photo-induced distributed feedback(DFB)resonator. We solidified rhodamine B into a dried xerogel monolith using the sol-gel method, and used it as an active laser medium. The pump source was third-harmonic generation(THG)produced by a pulsed Nd : YAG laser. We divided the pump beam in two and irradiated the two beams on the active medium. The interference fringes simultaneously form both a spatial periodic modulation of optical gain and a refractive index in the active medium. This periodical structure functions as a DFB resonator. Without an external resonator, we achieved a laser oscillation with a narrowed spectrum. The full width at half maximum(FWHM)of the laser wavelength was approximately 1nm. We tuned the center wavelength of the laser from 600 nm to 635 nm. In addition, we achieved a second-order DFB laser oscillation with second-harmonic generatio(SHG)of a Nd : YAG laser.
- 社団法人応用物理学会の論文
- 2000-10-15
著者
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Fukuda Makoto
Department Of Applied Photonics System Technology
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Mito Keiichi
Department Of Applied Photonics System Technology Chitose Institute Of Science And Technology
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Mito Keiichi
Department Of Applied Photonics System Technology
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