Wavelength driving device for monochromators

Details Wavelength driving device for monochromators Wavelength driving device for monochromators

1985-11-26

1987-05-26

Evans, F. L.

Optics: measuring and testing

By dispersed light spectroscopy

With monochromator structure

356334, G01J 318

Patent

active

046680926

ABSTRACT:
A wavelength driving device for use in monochromators which comprises an optical element for dispersing light into different wavelengths, means for supporting the optical element for rotation about a first axis, a stepping motor, a first toothed pulley of a relatively small diameter connected to the output shaft of the stepping motor for simultaneous stepwise rotation therewith, a first gear of a relatively large diameter fixed to the supporting means for simultaneous rotation about the first axis, a second gear of a relatively small diameter mounted for rotation about a second axis and meshing with the first gear, a second toothed pulley of a relatively large diameter fixed to the second gear for simultaneous rotation about the second axis, a toothed belt connecting the first and second toothed pulleys, and circuit means for controlling the rotation of the stepping motor.

REFERENCES:
patent: 3144498 (1964-08-01), Alpert et al.
patent: 3733131 (1973-05-01), Mould

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