Temperature measuring apparatus utilizing radiation

Details Temperature measuring apparatus utilizing radiation Temperature measuring apparatus utilizing radiation

1991-06-24

1993-08-10

McGraw, Vincent P.

Optics: measuring and testing

Optical pyrometers

Plural color responsive

356 43, 356418, 374121, 374130, 118715, 20429801, G01J 506, G01J 508, G01J 510

Patent

active

052353990

ABSTRACT:
An apparatus for measuring the temperature of an object placed in a plasma by utilizing radiation includes measuring means for measuring the intensity of radiation from the object and the intensity of plasma light in different directions at the same time. The measuring means includes a first lens for receiving the radiation from the object and the plasma light, a second lens for converting the output beam of the first lens into parallel light rays, a third lens for focusing the parallel light rays, and an interference filter disposed rotatably between the second lens and the third lens.

REFERENCES:
patent: 4859277 (1989-08-01), Barna et al.

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