Korean Journal of Optics and Photonics (한국광학회지)

Optical Society of Korea (한국광학회)
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Fabrication and lasing performance of Pyrromethene 597 dye in solid-state host media

Pyrromethene 597 고체 색소 레이저의 제작 및 출력 특성

  • Lee, Hee-Chul (Ilsan Technotown) ;
  • Kim, Yong-Pyung (College of Electronics and Information / Institute for Laser Engineering Kyunghee University)
  • Published : 2005.02.01
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Abstract

We fabricated pyrromethene 597(PM597) solid-state dyes which were dissolved in PMMA(poly- methylmethacrylate) and characterized the lasing characteristics. The laser was end-pumped by a frequency doubled Q-switched Nd : YAG laser. We obtained the slope efficiency of $76\%$ at lasing wavelength of 585 nm. We demonstrated the laser lifetime to be more than 100,000 shots with output energy of 250 mJ and repetition rate of 4 Hz by adding singlet oxygen quencher DABCO(1,4-diazabicyclo [2,2,2]octane) to the solid-state dye.

PMMA에 pyrromethene 597(PM597) 색소를 주입하여 고체 색소를 제작한 후 그 레이저 출력특성을 분석하였다. 펌핑 광원으로 Q-스위치 Nd : YAG 레이저의 제 2 고조파를 사용하여 발진 중심파장 585 nm에서 최대 광 변환효율 $76\%$를 얻었다. 광안정성을 증가시키기 위해 단일항 에너지 상태의 산소 제거제인 DABCO(1,4-diazabicyclo [2,2,2]octane)를 주입하여 반복율 4 Hz, 출력에너지 250 mJ, 100,000번 이상의 펄스 출력을 얻었다.

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References

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