monochromator

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mon·o·chro·ma·tor

(mon'ō-krō'mā-tŏr, -tōr),
A prism or diffraction grating used in spectrophotometry to isolate a narrow spectral range.
Farlex Partner Medical Dictionary © Farlex 2012

monochromator

(mŏn-ō-krō′mā-tor)
A spectroscope modified for selective transmission of a narrow band of the spectrum.
Medical Dictionary, © 2009 Farlex and Partners

monochromator

A modified spectroscope for producing nearly monochromatic light.
Millodot: Dictionary of Optometry and Visual Science, 7th edition. © 2009 Butterworth-Heinemann
References in periodicals archive ?
The standard configuration of a TLS includes a lamp housing with a Xe or QTH lamp, a power supply with touchscreen, a monochromator (1/8 or 1/4 metre), and an automated six-position filter wheel all mounted to a metal breadboard to create a compact, fully assembled and computer-controlled illuminator.
Basically, an optical analysis of photonic material normally involves lenses, amplifiers, monochromators and spectrometers [22].
After incubation for 30 min at 37[degrees]C, the ROS levels were detected using a Monochromators Based Multimode Microplate Reader (Infinite Ml 000, TECAN) at an excitation wavelength of 488 nm and emission wavelength of 525 nm.
The slit width of both the excitation and emission monochromators was set at 5 nm.
The other end was split into two branches connected to the excitation output and emission input slits of the fluorometer monochromators, respectively.
To control excitation frequency, a chopper wheel alternated the light path to monochromators (340 and 380 nm) with a frequency of 5 or 10 Hz.
Spectrophotometers are more accurate than colourimeters as they contain monochromators and photodiodes that measure the reflectance curve of a product's colour every 10 nm or less18 .
Whereas the CL discussed so far was exclusively examined as wavelength integral signal, either sets of bandpass filters or monochromators can be used to split the signal into wavelength ranges.
To construct sources of monochromatic radiation, it is necessary to use filters or monochromators and this reduces the intensity.