Inertial stabilization of rotational optical scanners

Details Inertial stabilization of rotational optical scanners Inertial stabilization of rotational optical scanners

1998-05-28

1999-11-09

Phan, James

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

359200, 359219, 359226, 359855, G02B 2608

Patent

active

059825278

ABSTRACT:
Method and apparatus are disclosed for stabilizing an optical scanner having a rotational axis and a substrate with facets which are generally pyramidal, the outer diameter of the facets being proximate to a base plane which is generally perpendicular to the axis. The method includes adapting the scanner to reduce the inertial deformation of the facets during high speed rotation of the scanner by shaping the substrate beyond the base plane such that during rotation it is substantially inertially symmetric about the base plane.

REFERENCES:
patent: 3485546 (1969-12-01), Roth
patent: 3619039 (1971-11-01), Beiser
patent: 3910675 (1975-10-01), MacGovern
patent: 5114217 (1992-05-01), Beiser
Leo Beiser, "Fundamental Architecture of Optical Scanning Systems", Nov. 1, 1995, vol. 34, No. 31, Applied Optics, pp. 7307-7317.

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