FIELD: applied optics; spectroscopy.
SUBSTANCE: monochromator has two acoustic-optical filters connected in series. Bandwidths of filters are Δλ1 and Δλ2 correspondingly and their relation does not exceed 1,35-1,55 factor.
EFFECT: increased spectral contrast; suppressed parasitic transparency windows.
4 dwg
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Authors
Dates
2004-12-20—Published
2003-03-11—Filed