Optical spectrum measuring device

Details Optical spectrum measuring device Optical spectrum measuring device

1996-09-25

1998-06-16

Hantis, K.

Optics: measuring and testing

By dispersed light spectroscopy

Utilizing a spectrometer

G01J 328

Patent

active

057679665

ABSTRACT:
Light source 1 emits light composed of various wavelength components from an emission end 1a. An optical fiber 2 receives the light from one end portion 2a and emits the light from the other end portion 2b. A Czerny-Turner dispersion spectroscope is formed by this end portion 2b, concave mirrors 3 and 5, a diffraction grating 4, and an emission slit 6. A mask 9 restricts the aperture diameter, so as to remove light which has spread wider than the aperture diameter of the mask 9 from the light which has passed through the emission slit 6.

REFERENCES:
patent: 3004465 (1961-10-01), White
patent: 4076420 (1978-02-01), De Maeyer et al.
patent: 4632549 (1986-12-01), Czabaffy et al.

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