Spectrophotometric method and apparatus

Details Spectrophotometric method and apparatus Spectrophotometric method and apparatus

1986-08-19

1988-01-12

McGraw, Vincent P.

Optics: measuring and testing

By dispersed light spectroscopy

Utilizing a spectrophotometer

250353, 350171, 350394, 356328, G01J 342

Patent

active

047187620

ABSTRACT:
A two-beam spectrophotometer comprising a monochromator and a beam splitter is provided. In addition to being inclined to the optical axis by an angle .alpha./2 lying in the optical plane, the beam splitter is inclined to the direction perpendicular to the optical plane, so that the reference beam is deflected out of the optical plane by an angle .beta.. This improves the spectral intensity distribution.
A spectrophotometric method employing this apparatus is also provided.

REFERENCES:
patent: 3794407 (1974-02-01), Nishimura

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