Beam shaper and imaging head having beam shapers

Details Beam shaper and imaging head having beam shapers Beam shaper and imaging head having beam shapers

2007-01-23

2007-01-23

Healy, Brian M. (Department: 2883)

Optical waveguides

Noncyclindrical or nonplanar shaped waveguide

C385S031000, C385S038000, C385S147000, C385S901000, C362S551000, C362S552000, C362S553000, C362S554000, C362S556000

Reexamination Certificate

active

11268187

ABSTRACT:
Beam shapers, imaging heads formed using such beam shapers and methods are provided that are adapted to shape a light beam for use in imaging. In accordance with one method described herein a light beam is received and the light beam is reflectively scrambled to form generally homogenous light having a non-circular shape. The homogenous light is delivered to a circular core multimode light path that shapes the light beam so that light exiting the circular core multimode light path comprises circular shaped homogenous light.

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Yuji Matsuura et al., “Beam Homogenizer for Hollow-Fiber Delivery System of Excimer Laser Light”, Jun. 20, 2003, vol. 42, No. 18, Applied Optics, pp. 3505-3508.

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