Rod integrator manufacturing method and rod integrator

Details Rod integrator manufacturing method and rod integrator Rod integrator manufacturing method and rod integrator

2005-07-05

2005-07-05

Bovernick, Rodney (Department: 2874)

Optical waveguides

Noncyclindrical or nonplanar shaped waveguide

C385S031000, C385S036000, C385S038000, C385S050000

Reexamination Certificate

active

06915063

ABSTRACT:
A rod integrator includes a quadrangular prismatic light-guiding member with a rectangular cross-sectional shape. The light-guiding member guides a light beam from a first end surface to a second end surface, opposing the first end surface, while the beam is reflected by the side surfaces so that the beam is output from the second end surface. The rod integrator includes a tube-shape body having the first open end portion tightly surrounding the end portion of the light-guiding member on the side of the second end surface, and having the second open end portion from which the beam is output while causing the beam from the first end portion to be reflected by inner mirror surfaces of the tube-shape body. The tube-shape body is arrangedy in a pinwheel shape. First, second, third, and fourth members, each of which has a plate shape and a mirror surface on one side, are arranged on the light-guiding member, such that the tube-shape body has the mirror surfaces facing inside.

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