Relationship between jitter and deformation of mirrors

Hiroshi Horikawa; Masayuki Miura; Toshiya Uchida

doi:10.1117/12.28054

1 February 1991 Relationship between jitter and deformation of mirrors

Hiroshi Horikawa, Masayuki Miura, Toshiya Uchida

Proceedings Volume 1454, Beam Deflection and Scanning Technologies; (1991) https://doi.org/10.1117/12.28054
Event: Electronic Imaging '91, 1991, San Jose, CA, United States

Abstract

The study investigates the relationship between the change in the surface of the mirror and jitter when one of the causes of jitter is due to deformation of the polygonal mirror surface by the centrifugal force created by high-speed spinning of the polygonal mirror. Finite element analysis is used to obtain the deformation pattern of the polygonal mirror by centrifugal force under various constraints governing the attachment of the polygonal mirror to the spindle motor. It is found that the amount of the deformation of mirrors and the deformation patterns greatly depend on the bolting diameter and the number of bolting positions; in particular, when the uniform constraint is applied, there is an R value which describes the minimum deformation.

Citation Download Citation

Hiroshi Horikawa, Masayuki Miura, and Toshiya Uchida "Relationship between jitter and deformation of mirrors", Proc. SPIE 1454, Beam Deflection and Scanning Technologies, (1 February 1991); https://doi.org/10.1117/12.28054

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