Coloration of glass exposed to atomic oxygen

Bhola N. De, N. J. Ianno, Paul G. Snyder, John A. Woollam, John J. Pouch

Research output: Contribution to journalArticlepeer-review

1 Scopus citations


The atomic oxygen in low earth orbit is harmful to spacecraft materials. Simulation of this space environment is often done with a plasma asher. We observed a browning effect of common glass placed in a plasma asher. After a detailed analysis, we conclude that this browning effect was not due to deposition of a film on the material surface; rather, it was the effect of optical color centers generated by the plasma. Thus ashing experiments can be safely carried out on space materials, without fears of spurious film deposition.

Original languageEnglish (US)
Pages (from-to)213-216
Number of pages4
JournalJournal of Materials Engineering
Issue number3
StatePublished - Sep 1991

ASJC Scopus subject areas

  • General Materials Science
  • Mechanics of Materials
  • Mechanical Engineering


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