Modular motorized polarizers for a spectrofluorometer

Details Modular motorized polarizers for a spectrofluorometer Modular motorized polarizers for a spectrofluorometer

1979-04-12

1980-12-16

Smith, Alfred E.

Optics: measuring and testing

By dispersed light spectroscopy

With sample excitation

356366, G01J 330, G01J 400

Patent

active

042393914

ABSTRACT:
The input polarizer and the output polarizer of a spectrofluorometer are each mechanically identical except for the optical elements, and are constructed as modules which plug into a spectrofluorometer base. Each of the polarizer modules includes a polarizing filter that is rotatable and a self-contained motor drive for rotating the polarizing filter. Each of the motor drives comprises an electric motor mounted on the respective module, a pulley mounted on the respective module and rotatable with actuation of the electric motor, a loop coupling the pulley to the polarizing filter for rotation of the filter with rotation of the pulley, and means for enabling the filter to rotate exactly 90.degree. in opposite directions.

REFERENCES:
patent: 3177761 (1965-04-01), Redner
patent: 4076420 (1978-02-01), De Maeyer et al.
patent: 4082459 (1978-04-01), Wolfe

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