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CD와 DVD의 회절격자로의 활용을 위한 회절특성 연구
고동휘 ( Dong Hwi Go ),이승현 ( Seung Hyeon Lee ),이재현 ( Jae Hyun Lee ),조두형 ( Du Hyeong Cho ),현다훈 ( Da Hoon Hyun ),홍동혁 ( Dong Heuk Hong ),강만일 ( Man Il Kang ),김석원 ( Sok Won Kim ) 한국화상학회 2013 한국화상학회지 Vol.19 No.2
In order to analyze quantitatively the diffraction of light from CD and DVD, in this study, the diffraction patterns from grating, CD and DVD were compared. The lattice distance of the samples was compared by the SEM measurements and the theoretical lattice distance was calculated by the measurements of the incident and diffraction angles. Also, the diffraction angle and the intensity of the 1st-order diffraction light, which was generated by an Ar-ion laser with various wavelength, were measured, and the results were quantitatively compared. in the comparison, superior diffraction was observed in the DVD with more shorter lattice distance and larger intensity of the diffraction light comparing with the grating and the CD.