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http://dx.doi.org/10.5757/JKVS.2008.17.1.046

Fabrication of Optically Encoded Images on Porous Silicon  

Koh, Young-Dae (Department of Chemistry, Chosun University)
Kim, Sung-Jin (Department of Chemistry, Chosun University)
Kim, Jong-Hyeon (Gwangju Science High School)
Rheu, Seong-Ok (Gwangju Science High School)
Bang, Hyeon-Seok (Gwangju Science High School)
Jeong, Yun-Sik (Gwangju Science High School)
Park, Bo-Kyeong (Gwangju Science High School)
Sohn, Hong-Lae (Department of Chemistry, Chosun University)
Publication Information
Journal of the Korean Vacuum Society / v.17, no.1, 2008 , pp. 46-50 More about this Journal
Abstract
Optical images on the porous silicon exhibiting Febry-Perot fringe pattern have been prepared by using an electrochemical etching of p-type silicon wafer (boron-doped,<100> orientation, resistivity $0.8{\sim}1.2m{\Omega}-cm$) and beam projector. The images remained in the substrate displayed an optical images correlating to the optical pattern and could be useful for optical data storage. A decrease in the effective optical thickness of the Febry-Perot layers was observed, indicative of a change in refractive index induced by exposing of porous silicon to the white light. This provides the ability to fabricate complex optical encoding in the surface of silicon.
Keywords
Febry-Perot fringe pattern; porous silicon; photonic image; Fourier transformation;
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Times Cited By KSCI : 2  (Citation Analysis)
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