FIELD: measurement equipment.
SUBSTANCE: interferential monochromator comprises a multiplex interferometer with unmatched orders of interference at one wave length. One of the interferometers within its structure is a Fabry-Perot standard. The value of the gap between mirrors of other interferometer may be adjusted so that the band of its transmission spectrum is displaced within the interference order.
EFFECT: provision of monochromator tuning in a wide spectral area with simultaneous provision of high resolution capability and possibility to switch transmission of an interferometer by fixed values of wave lengths of transmission spectrum by means of regulation of a distance between mirrors of a Fabry-Perot resonator.
1 dwg
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