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Photonics Buyers' Guide > Visible Spectrum Measuring Instruments
(29 companies)
Visible Spectrum Measuring Instruments
  • Bristol Instruments, Inc. - Victor, NYThe Power of Precision! BRISTOL INSTRUMENTS offers a variety of optical interferometer-based products for scientists and engineers who are involved in scientific research, fiber communications, and optical metrology. Wavelength meters and spectrum analyzers are available to characterize CW and...
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  • TERMS
  • visible (VIS) That term pertaining to the spectral region that can be perceived by the eye.
  • visible spectrum That region of the electromagnetic spectrum to which the retina is sensitive and by which the eye sees. It extends from about 400 to 750 nm in wavelength.
  • spectrum measuring instrument A traveling microscope or an automatic microdensitometer used to measure the spectrum plate obtained in a spectrograph.