New beam splitter is a block of optically clear material with two parallel polish faces. Some of area of one surface is coated with totally reflecting layer, which may be metal or dielectric. On opposite surface, a metal coating of stepped thickness offers a different reflectivity at each step. Width and spacing of reflecting zones are chosen to accommodate angle of spacing of incidence of input beam and desired spacing of ouput beams.
Beam Splitter Intensities Are Preselected
NASA Tech Briefs ; 6 , 1
1982-09-01
Sonstige
Keine Angabe
Englisch
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