대한전기학회:학술대회논문집 (Proceedings of the KIEE Conference)

대한전기학회 (The Korean Institute of Electrical Engineers)
권호 표지

NOA81 Optical Adhesive를 중간층으로 하는 비선형 Etalon에서 나타나는 광쌍안정현상에 대한 연구

Optical Bistability in Nonlinear Etalons Filled with NOA81 Optical Adhesive

  • 공홍진 (한국과학기술원 물리학과) ;
  • 황월연 (한국과학기술원 물리학과) ;
  • 이상수 (한국과학기술원 물리학과)
  • Kong, Hong-Jin (Dept. of Physics, Korea Advanced Institute of Science Technology) ;
  • Hwang, Wol-Yon (Dept. of Physics, Korea Advanced Institute of Science Technology) ;
  • Lee, Sang-Soo (Dept. of Physics, Korea Advanced Institute of Science Technology)
  • 발행 : 1987.11.20
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초록

We have observed the optical bistabilities at $5145{\AA}$ in nonlinear etalons filled with NOA8l optical adhesive which is cured with UV light under the temperature gradient of $7^{\circ}C/mm$ on the NOA81 layer surface. The critical switch-on irradiance and switch-on time are $17\;KW/cm^2$ and $350{\mu}sec$. respectively. The switching contrast of up to 8 observed in NOA81 etalons is higher than that of ZnS or ZnSe interference filter, and the thermo-optic coefficient (dn/ndT) of NOA81 is measured to be at least $-3.8{\times}10^{-4}/^{\circ}C$ which is larger in magnitude than that of ZnS or ZnSe.

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