Transmission line light modulator
First Claim
1. IN A LIGHT MODULATION SYSTEM WHICH INCLUDES A LIGHT SOURCE FOR TRANSMITTING A LIGHT BEAM THROUGH A MODULATOR, AND A POLARIZER FOR PRODUCING LINEARLY POLARIZED LIGHT OF VARIABLE AMPLITUDE, A LIGHT MODULATOR COMPRISING, A CONDUCTIVE CYLINDER HAVING A RECTANGULAR OPENING COAXIAL THEREWITH, FIRST AND SECOND ELONGATED BIREFRINGENT ELECTROOPTIC CRYSTALS DISPOSED COLLINEARLY IN LIGHT TRANSMITTING RELATIONSHIP WITHIN SAID OPENING, WITH THE OPTICAL AXES OF SAID FIRST CRYSTAL BEING DISPOSED 180 DEGREES TO THE OPTICAL AXES OF SAID SECOND CRYSTAL, A ROTATOR DISPOSED BETWEEN SAID CRYSTALS, ONLY ONE FACE OF EACH CRYSTAL BEING IN CONTACT WITH SAID CYLINDER, A FLAT ELECTRODE ATTACHED TO THE FACE OF SAID CRYSTALS OPPOSITE TO THE FACE IN CONTACT WITH SAID CYLINDER, AND COAXIAL MEANS FOR APPLYING A MODULATING POTENTIAL ACROSS SAID CYLINDER AND FLAT ELECTRODE TO THEREBY VARY SAID CRYSTAL BIREFRINGENCE.
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1 Claim
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1. IN A LIGHT MODULATION SYSTEM WHICH INCLUDES A LIGHT SOURCE FOR TRANSMITTING A LIGHT BEAM THROUGH A MODULATOR, AND A POLARIZER FOR PRODUCING LINEARLY POLARIZED LIGHT OF VARIABLE AMPLITUDE, A LIGHT MODULATOR COMPRISING, A CONDUCTIVE CYLINDER HAVING A RECTANGULAR OPENING COAXIAL THEREWITH, FIRST AND SECOND ELONGATED BIREFRINGENT ELECTROOPTIC CRYSTALS DISPOSED COLLINEARLY IN LIGHT TRANSMITTING RELATIONSHIP WITHIN SAID OPENING, WITH THE OPTICAL AXES OF SAID FIRST CRYSTAL BEING DISPOSED 180 DEGREES TO THE OPTICAL AXES OF SAID SECOND CRYSTAL, A ROTATOR DISPOSED BETWEEN SAID CRYSTALS, ONLY ONE FACE OF EACH CRYSTAL BEING IN CONTACT WITH SAID CYLINDER, A FLAT ELECTRODE ATTACHED TO THE FACE OF SAID CRYSTALS OPPOSITE TO THE FACE IN CONTACT WITH SAID CYLINDER, AND COAXIAL MEANS FOR APPLYING A MODULATING POTENTIAL ACROSS SAID CYLINDER AND FLAT ELECTRODE TO THEREBY VARY SAID CRYSTAL BIREFRINGENCE.
Specification
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- Resources
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Current AssigneeCharles J. Peters
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Original AssigneeCharles J. Peters
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InventorsPeters, Charles J.
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Application NumberUS04/419,465Time in Patent Office788 DaysField of SearchUS Class Current359/250CPC Class CodesG02F 1/0344 controlled by a high-freque...
