Surface roughness of Ti:LiNb O3 etched by Ar C3 F8 plasma and annealing effect

W. S. Yang, W. K. Kim, D. H. Yoon, J. W. Lim, M. Isshiki, H. Y. Lee

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

We describe the reactive ion etching of Ti:LiNb O3 single crystal in gas mixtures containing C3 F8 and Ar using neutral loop discharge plasma. The surface roughness of etched Ti:LiNb O3 surface under various gas mixture conditions was analyzed by using atomic force microscopy and scanning electron microscopy. The annealing effect of an etched ridge structure waveguides was also observed.

Original languageEnglish
Pages (from-to)675-677
Number of pages3
JournalJournal of Vacuum Science and Technology B: Microelectronics and Nanometer Structures
Volume24
Issue number2
DOIs
StatePublished - Mar 2006

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