Adjusting the direction of a beam of radiation

Details Adjusting the direction of a beam of radiation Adjusting the direction of a beam of radiation

1985-06-25

1987-01-20

Corbin, John K.

Supports

Pipe or cable

Extending through plate

248467, 350486, A47F 714, G02B 2608

Patent

active

046376950

ABSTRACT:
A method and apparatus is provided for adjusting the direction of a beam of radiation by a mirror mounted on a shaft so that the normal to the mirror is inclined relative to the longitudinal axis of the shaft. The shaft is mounted in a bearing for rotational adjustment relative to a supporting structure. This technique and structure may be applied to monochromators or interferometers in which radiation beams must be adjusted in direction to very close tolerances, such as seconds of arc, and maintained in direction with a corresponding stability. The shaft is rigidly secured in the bearing after adjustment by an adhesive so that a stress-free structure is realized in which hysteresis effects due to temperature cycling are minimized.

REFERENCES:
patent: 4061415 (1977-12-01), Taenzer
IBM Technical Disclosure Bulletin, vol. 24, No. 1A, Jun. 1981, pp. 417-419.

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