Textured germanium optical storage medium

H. G. Craighead, R. E. Howard, P. F. Liao, D. M. Tennant, J. E. Sweeney

Research output: Contribution to journalArticlepeer-review

13 Scopus citations

Abstract

A new optical storage medium is described which consists of a Ge film microscopically textured by reactive ion etching. The Ge surface, with a random array of decoupled columns of cross-sectional dimensions less than 100 nm, has a visible specular reflectance of less than 0.06. Reflective spots ∼1 μm in diameter have been produced on this surface by local heating with a low power laser beam. The fabrication, microstructure, and possibility of encapsulating the medium are discussed.

Original languageEnglish (US)
Pages (from-to)662-664
Number of pages3
JournalApplied Physics Letters
Volume40
Issue number8
DOIs
StatePublished - 1982
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy (miscellaneous)

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