Transceiver for a wireless optical telecommunication system

Details Transceiver for a wireless optical telecommunication system Transceiver for a wireless optical telecommunication system

2005-03-15

2005-03-15

Juba, Jr., John (Department: 2872)

Optical: systems and elements

Holographic system or element

Using a hologram as an optical element

C359S015000, C359S019000, C398S122000, C398S118000

Reexamination Certificate

active

06867889

ABSTRACT:
A holographic optical element (HOE) device is mounted in wireless optical telecommunication system transceiver. The HOE device includes a developed emulsion material having an interference pattern recorded thereon, sandwiched between a pair of elements, such as a pair of clear glass plates. In operation, the HOE device uses the recorded interference pattern to diffract received light rays towards an optical processing unit of the system receiver. A transmitter unit can be positioned at least in part behind the HOE device. An opening in the emulsion material allows a light signal transmitted from the transmitter unit to be substantially unaffected by the recorded interference pattern. The transceiver can also include a spotting scope and an alignment beacon.

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