Publication Date:
2019-07-13
Description:
Layers of bismuth 5 to 10 angstrom thick incorporated into alkali-metal ultraviolet-band-pass optical filters by use of advanced fabrication techniques. In new filters layer of bismuth helps to reduce surface migration of sodium. Sodium layer made more stable and decreased tendency to form pinholes by migration.
Keywords:
MATERIALS
Type:
NPO-18433
,
NASA Tech Briefs (ISSN 0145-319X); 19; 5; P. 60
Format:
text
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