Substrate guided relay with homogenizing input relay

Details Substrate guided relay with homogenizing input relay Substrate guided relay with homogenizing input relay

2008-07-03

2009-11-03

Petkovsek, Daniel (Department: 2874)

Optical waveguides

With optical coupler

Input/output coupler

C385S031000, C385S039000, C359S629000, C359S636000

Reexamination Certificate

active

07613373

ABSTRACT:
An optical relay system (200) includes a scanned light source (206) and a substrate guided relay (204). The substrate guided relay (204) includes an input coupler (201), an output coupler (203), and an optical substrate (202) disposed therebetween. A light homogenizing relay device (208) is disposed between the scanned light source (206) and the substrate guided relay (204). The light homogenizing relay device (208) is configured to receive a light beam (207) from the scanned light source (206). The light homogenizing relay device (208) makes at least one copy (209) of the light beam (207), and delivers the light beam (207) and the at least one copy (209) to a light receiving surface (210) of the input coupler (201), thereby effectively creating a larger input beam while retaining the angular spread of the initial light beam (207).

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