Dynamic light beam deflector
First Claim
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1. A light beam deflector adapted for deflecting a source light beam emitted from a light source, said deflector having an optical axis and comprising:
- (a) in physical order, an initial beam deflector and a beam deflection amplifier;
(b) said initial beam deflector receiving said source light beam and emitting an initially deflected light beam at an initial deflection angle θ
0;
(c) said beam deflection amplifier including, in physical order, a first amplification stage and a second amplification stage;
(d) said first amplification stage receiving said initially deflected light beam and transmitting a predeflected light beam at a preamplified deflection angle, said first amplification stage being selected from the group consisting of a Keplerian lens system and a Galilean lens system; and
(e) said second amplification stage receiving said predeflected light beam and transmitting a fully deflected light beam at a full deflection angle θ
=Aθ
0, where A>
1, said second amplification stage including a negative lens.
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Abstract
A light beam deflector comprising an initial dynamic beam deflector and a beam deflection amplifier. The initial deflector can be any currently available device for providing a small angle deflection. The beam deflection amplifier has two embodiments: a Keplerian telescope lens first stage and a negative lens system second stage, and a Galilean telescope lens first stage and a negative lens system second stage.
19 Citations
5 Claims
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1. A light beam deflector adapted for deflecting a source light beam emitted from a light source, said deflector having an optical axis and comprising:
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(a) in physical order, an initial beam deflector and a beam deflection amplifier;
(b) said initial beam deflector receiving said source light beam and emitting an initially deflected light beam at an initial deflection angle θ
0;
(c) said beam deflection amplifier including, in physical order, a first amplification stage and a second amplification stage;
(d) said first amplification stage receiving said initially deflected light beam and transmitting a predeflected light beam at a preamplified deflection angle, said first amplification stage being selected from the group consisting of a Keplerian lens system and a Galilean lens system; and
(e) said second amplification stage receiving said predeflected light beam and transmitting a fully deflected light beam at a full deflection angle θ
=Aθ
0, where A>
1, said second amplification stage including a negative lens.- View Dependent Claims (2, 3, 4, 5)
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Specification
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Current AssigneeAdvanced Optical Technologies, Inc.
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Original AssigneeAdvanced Optical Technologies, Inc.
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InventorsChao, Yong-Sheng
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Primary Examiner(s)Epps, Georgia
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Assistant Examiner(s)SEYRAFI, SAEED HMT
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Application NumberUS09/812,767Time in Patent Office182 DaysField of Search359/813, 359/814, 359/824, 359/298, 359/318, 359/209, 359/210, 359/196US Class Current359/813CPC Class CodesG02B 26/0875 by means of one or more ref...
