Solid solution electro-optic light switch using the stark effect
First Claim
6. A LIGHT SWITCHING SYSTEM WHICH COMPRISES A MONOCHROMATIC LIGHT SOURCE, A LENS SYSTEM FOR FOCUSING THE RADIATION FROM SAID LIGHT SOURCE INTO A BEAM, AN ELECTROOPTIC SWITCHING ELEMENT INTERPOSED IN SAID LIGHT BEAM COMPRISING A LAYER OF SOLID SOLUTION OF METHYL RED (C15H15O2N3) DISSOLVED IN POLYSTYRENE HAVING TWO TRANSPARENT CONDUCTIVE ELECTRODES ON OPPOSITE SIDES THEREOF IN SURFACE TO SURFACE CONTACT THEREWITH AND A PHOTO-SENSITIVE DEVICE LOCATED ON THE OPPOSITE SIDE OF SAID ELECTROOPTIC ELEMENT FROM THE LIGHT SOURCE SUCH THAT IT RECEIVES THE LIGHT BEAM TRANSMITTED THROUGH SAID ELEMENT, AND SUITABLE AMPLIFYING AND DETECTING MEANS ELECTRICALLY CONNECTED TO SAID PHOTO-SENSITIVE ELEMENT FOR DETECTING A DIFFERENCE IN LIGHT INTENSITY PASSING THROUGH SAID ELECTROOPTIC ELEMENT WHEN AN ELECTRIC FIELD IS APPLIED THERETO THE OVERALL OPTICAL DENSITY OF SAID SWITCHING ELEMENT BEING BETWEEN ABOUT 0.3 AND 15.
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Accused Products
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6 Claims
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6. A LIGHT SWITCHING SYSTEM WHICH COMPRISES A MONOCHROMATIC LIGHT SOURCE, A LENS SYSTEM FOR FOCUSING THE RADIATION FROM SAID LIGHT SOURCE INTO A BEAM, AN ELECTROOPTIC SWITCHING ELEMENT INTERPOSED IN SAID LIGHT BEAM COMPRISING A LAYER OF SOLID SOLUTION OF METHYL RED (C15H15O2N3) DISSOLVED IN POLYSTYRENE HAVING TWO TRANSPARENT CONDUCTIVE ELECTRODES ON OPPOSITE SIDES THEREOF IN SURFACE TO SURFACE CONTACT THEREWITH AND A PHOTO-SENSITIVE DEVICE LOCATED ON THE OPPOSITE SIDE OF SAID ELECTROOPTIC ELEMENT FROM THE LIGHT SOURCE SUCH THAT IT RECEIVES THE LIGHT BEAM TRANSMITTED THROUGH SAID ELEMENT, AND SUITABLE AMPLIFYING AND DETECTING MEANS ELECTRICALLY CONNECTED TO SAID PHOTO-SENSITIVE ELEMENT FOR DETECTING A DIFFERENCE IN LIGHT INTENSITY PASSING THROUGH SAID ELECTROOPTIC ELEMENT WHEN AN ELECTRIC FIELD IS APPLIED THERETO THE OVERALL OPTICAL DENSITY OF SAID SWITCHING ELEMENT BEING BETWEEN ABOUT 0.3 AND 15.
Specification
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- Resources
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Current AssigneeJohn C. Powers Jr, Junji Kumamoto, William R. Heller
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Original AssigneeJohn C. Powers Jr, Junji Kumamoto, William R. Heller
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InventorsHeller, William R., JUNJI KUMAMOTO, Powers, John C. Jr.
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Application NumberUS04/152,584Time in Patent Office1,448 DaysField of SearchUS Class Current359/320CPC Class CodesG02F 1/174 based on absorption band-sh...
