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US 2009/0213466 A1Published application
Beam splitter apparatus and system
Assignee3M Innovative Properties Company
InventorsAndrew J. Murnan, Dean Faklis
Life of this patent
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Abstract
A beam splitter apparatus comprises a beam splitter and a plurality of prisms disposed about the beam splitter. The beam splitter apparatus is configured to split an incident laser beam into a plurality of beamlets exhibiting substantially equal energy and traversing substantially equal optical path lengths through the beam splitter apparatus.
Claims8
A system comprising:
- a light source to provide an incident light beam;
- and
- a beam splitter apparatus to split the incident light beam into at least (2n−1) beamlets, n being at least 2, wherein the beam splitter apparatus comprises:
- a beam splitter;
- and
- (2n−2) prisms in optical contact with the beam splitter for redirecting light to the beam splitter.
3 more elements
Dependencies are inferred from the claim text.