optical spectrograph

optical spectrograph

[′äp·tə·kəl ′spek·trə‚graf]
(spectroscopy)
An optical spectroscope provided with a photographic camera or other device for recording the spectrum made by the spectroscope.
References in periodicals archive ?
The second instrument was an optical spectrograph that takes an object's light and disperses it into a rainbow, allowing astronomers to measure the intensity in roughly 2,000 wavelength bands.
Contract notice: Supply and delivery of optical spectrograph for spirou (infrared spectrograph, cryogenic spectrograph scale cross-dispersion double pass powered by fiber).
Contract Awarded for high resolution optical spectrograph
Full browser ?