dichroic mirror

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dichroic mirror

An optical device used in some spectrophotometers to split a beam of light into reference and sample beams.
See also: mirror
References in periodicals archive ?
Dichroic filters originated in the 1950s: the NASA developed them to protect sensitive spacecraft instruments from harmful cosmic radiation.
The error is attributed to both the spectral mismatch between cells and bead3 and transmission efficiency variation of the dichroic filter in the observation window.
Isometrix' Curtainwash uplighters -- of tungsten halogen reflector lamps, dichroic filters and lenses -- are concealed in coving at the base of the voids flooding them with intense, even colour.
Excitation bandpass filters, dichroic filters and emission bandpass filters are precisely tailored to match each other.
Semrock Unleashes New Laser Dichroic Filters Line 36
The Nexera utilizes a set of cyan, magenta, and yellow dichroic filters, which are introduced into the beam of light, controlled by DMX values set at the lighting console.
Bornhorst's engineering team combined pivoting dichroic filters, the MARC 350 arc lamp, and a single digital data link to produce the first automated light.