Optical characteristics of silver film on the moth-eye structure

C. J. Ting; H. Y. Tsai; C. P. Chou; H. Y. Lin; T. C. Wu

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자료유형: 학술저널

저자정보: C. J. Ting H. Y. Tsai C. P. Chou H. Y. Lin T. C. Wu

저널정보: 대한기계학회 Journal of Mechanical Science and Technology Journal of Mechanical Science and Technology Vol.21 No.10

발행연도: 2007.10

수록면: 1,752 - 1,755 (4page)

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The development of coating optics to lower the reflected light and thereby to increase the optical efficiency of an optical system has been a very important issue for many years. Conventional solutions to this, such as multilayered alternation of high and low refractive index layers, often lead to an expensive coating process. Recently, the use of antireflection structured (ARS) surface, which is called “moth-eye structure”, has been proposed as an applicable option based on both the theoretical and experimental studies. In the current study, the experimental results of the reflectance and transmittance of two different thicknesses of silver films deposited on the moth-eye structure were carried out. The moth-eye structure arrays were fabricated by holographic exposure and photolithographic processes on the polymer film. The structure arrays were consisted of periodic length of about 300 nm, with the diameter of about 250 nm and the height of 150 nm. Compared with the silver coating film on the flat PET substrate, the optical property of the silver coating film on the moth-eye structure showed a better result for the anti-reflection application. The 25 nm-thick silver film on the moth-eye structure is suggested to be applied for the car window glass of antireflective films to obtain the high performance of heat insulation with acceptable transparency in the visible range.

#Anti-reflection #Moth-eye structure #Silver film

참고문헌 (7)

참고문헌 신청

1. [학술지(정기간행물)] - / 2001 / Periodic microstructures for large area applications generated by holography 4438 : 108 ~ 115

2. [학술지(정기간행물)] - / 2003 / Design and fabrication of guided-mode resonant grating filter with antireflection structured surface, SPIE 5184 : 89 ~ 98

3. [학술지(정기간행물)] - / 2003 / Holographic antiglare and anti-reflection Films for flat panel displays 34 : 68 ~ 71

4. [학술지(정기간행물)] - / 2004 / The study of a nano-porous optical film with the finite difference time domain method 6 : 564 ~ 568

5. [학술지(정기간행물)] - / 2004 / A new method for fabrication nano-porous aluminum grating array 10 : 272 ~ 274

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