Journal of the Korean Institute of Electrical and Electronic Material Engineers (한국전기전자재료학회논문지)

The Korean Institute of Electrical and Electronic Material Engineers (한국전기전자재료학회)
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A Study on Dip-Pen Nanolithography Process to fabricate Two-dimensional Photonic Crystal for Planar-type Optical Biosensor

평판형 광-바이오센서용 2차원 광자결정 제작을 위한 Dip-Pen Nanolithography 공정 연구

  • 김준형 (전남대학교대학원 광공학협동과정) ;
  • 이종일 (전남대학교 응용화학공학부) ;
  • 이현용 (전남대학교 응용화학공학부)
  • Published : 2006.03.01
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Abstract

Optical waveguide based on symmetric and asymmetric Mach-Zehnder interferometer(MZI) type was designed, fabricated and measured the optical characteristics for the application of biosensor. The wavelength of the input optical signal for the device was 1550 nm. And the difference of refractive index was $0.45\;{\Delta}\%$ between core and cladding of the device. The TM(Transverse Magnetic) mode optical properties of the biosensor were analyzed with the refractive index variation of gold thin film deposited for overclad. Nowadays, nano-photonic crystal structures have been paied much attention for its high optical sensitivity. There is a technique to realize the structure, which is called Dip-Pen Nanolithography(DPN) process. The process requires a nano-scale process patterning resolution and high reliability. In this paper, two dimensional nano-photonic crystal array on the surface was proposed for improving the sensitivity of optical biosensor. And the Dip-Pen Nanolithogrphy process was investigated to realize it.

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References

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