Spectrometer

Details Spectrometer Spectrometer

1989-06-22

1991-01-08

Evans, F. L.

Optics: measuring and testing

By dispersed light spectroscopy

Utilizing a spectrometer

355 53, 372 32, 372 57, G01J 318

Patent

active

049830392

ABSTRACT:
A spectrometer is disclosed, in which plural entrance slits are mounted, and a reference light passing through one entrance slit and the light to be measured passing through the other entrance slit are simultaneously focused on a photo-sensitive surface of a detector through a diffraction grating and a focusing optical system, to measure the wavelength of the light to be measured precisely by using the reference light as a standard.

REFERENCES:
patent: 3171882 (1965-03-01), Baird
patent: 3229566 (1966-01-01), Hutchinson et al.
patent: 3522739 (1970-08-01), Coor et al.
patent: 3846024 (1974-11-01), Turner
patent: 4191473 (1980-03-01), Hansch
patent: 4823354 (1989-04-01), Znotins et al.
patent: 4829533 (1989-05-01), Hallberg et al.
Fredrikson, The Review of Scientific Instruments, vol. 44, No. 1, Jan. 1973, pp. 52-55.
Optical Technology Handbook, 1980, pp. 1066-1067.

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