• 제목/요약/키워드: Materials property

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입사빔의 파장에 따른 AsGeSes & Ag/AsGeSes 박막의 홀로그래픽 데이터 소거특성 (Holographic Data Grating Formation of AsGeSeS Single & Ag/AsGeSeS Double Layer Thin Films with the Incident Beam Wavelength)

  • 구용운;정홍배
    • 대한전기학회:학술대회논문집
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    • 대한전기학회 2006년도 제37회 하계학술대회 논문집 C
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    • pp.1428-1429
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    • 2006

  • We investigated the diffraction efficiency, erasing property and rewriting property of diffraction grating with each wavelength of recording beam. A (P:P) polarized light was exposed on AsGeSeS and Ag/AsGeSeS thin film to form a diffraction grating by HeNe(635nm) laser and DPSS(532nm) laser. At the maximum efficiency condition, unpolarized HeNe laser beam was irradiated to erase 1ha generated diffraction grating. The HeNe laser showed more higher diffraction efficiency and the DPSS laser showed more faster diffraction grating time. At erasing and rewriting process, AsGeSeS(61%-85%)thin film showed better property than Ag doped Ag/AsGeSeS(53%-63%) double layer structured thin film.

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