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US7633670: Methods, systems, and devices for steering optical beams

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Filing Information

Inventor(s) Betty Lise Anderson · Victor Argueta-Diaz · Carolyn Warnky ·
Assignee(s) The Ohio State University ·
Attorney/Agent(s) Calfee, Halter & Griswold LLP ·
Primary Examiner Scott J Sugarman ·
Assistant Examiner Tuyen Q Tra ·
Application Number US11184536
Filing date 07/18/2005
Issue date 12/15/2009
Prior Publication Data
Predicted expiration date 08/10/2026
Patent term adjustment 388
U.S. Classifications 359/290  · 359/237  ·
International Classifications G02B2600  ·
Kind CodeB2
Related U.S. Application DataCROSS REFERENCES TO RELATED APPLICATIONS
This application claims priority to U.S. Provisional Application Ser. No. 60/588,731 filed Jul. 16, 2004, which is incorporated by reference herein.
29 Claims, 11 Drawings


Abstract

Devices and methods are provided for steering optical beams. The devices use arrays and at least one optical element to steer an input beam to a desired location. Additionally, devices and methods are provided for changing the array dimensions of arrays of input beam positions. The devices use arrays and a plurality of optical elements to rearrange an input array.

Independent Claims | See all claims (29)

  1. 1. A device for steering an optical beam, comprising: an array of array elements; at least one trap door in the array of array elements; and at least one optical element, wherein at least one of the array elements in the array comprises an input array element that is arranged such that an input beam incident on the at least one input array element travels a light path from the input array element to the at least one optical element, and wherein the array of array elements and the at least one optical element are arranged such that the input beam subsequently travels between the array of array elements and the at least one optical element until the input beam is incident on the at least one trap door in the array of array elements.
  2. 11. A device for steering an optical beam, comprising: an array of array elements; at least one optical element; at least one trap door in the array of array elements arranged such that an input beam entering the array through the trap door is incident on the at least one optical element, wherein the input beam incident on the at least one optical element travels between the at least one optical element and the array of array elements until the input beam is incident on an output array element in the array of array elements.
  3. 17. A spot inter-leaver device comprising: an inter-leaver array having inter-leaver array elements; and a plurality of inter-leaver optical elements, wherein the inter-leaver array and the plurality of inter-leaver optical elements are arranged such that a first array of input beam positions having first dimensions is rearranged to a second array of input beam positions having second dimensions.
  4. 22. A method for steering an optical beam, comprising: inputting an input light beam from at least one direction; and reflecting the input light beam between an array of array elements and a plurality of optical elements, wherein the array includes at least one trap door that outputs the input light beam and at least one array element is arranged such that the input is directed to a particular array element in the array, and wherein the step of reflecting comprises reflecting the input light beam between the array and the plurality of optical elements such that the input light beam reflects off of more than one of the array elements in the array.
  5. 26. A method for steering an optical beam, comprising: inputting an input light beam from at least one direction; and reflecting the input light beam between an array of array elements and a plurality of optical elements, wherein the array includes at least one trap door and at least one array element is arranged such that the input is directed to a particular array element in the array, and wherein the step of reflecting comprises reflecting the input light beam between the array and the plurality of optical elements such that the input light beam reflects off of more than one of the array elements in the array, wherein the step of reflecting the input light beam comprises reflecting the input light beam between an array of array elements and first and second optical elements, wherein the array of array elements comprises a row of array elements, and wherein the desired array element in the row of array elements comprises a first trap door.
  6. 27. A method for steering an optical beam, comprising: inputting an input light beam from at least one direction; and reflecting the input light beam between an array of array elements and a plurality of optical elements, wherein the array includes at least one trap door and at least one array element is arranged such that the input is directed to a particular array element in the array, and wherein the step of reflecting comprises reflecting the input light beam between the array and the plurality of optical elements such that the input light beam reflects off of more than one of the array elements in the array, wherein the step of reflecting the input light beam comprises reflecting the input light beam between an array of array elements and first and second optical elements, wherein the array of array elements comprises at least one column of array elements and at least one row of array elements, and wherein the desired array element in the array elements comprises a first trap door through which the input light beam passes.
  7. 29. A method for steering an optical beam, comprising: inputting an input light beam from at least one direction; and reflecting the input light beam between an array of array elements and a plurality of optical elements, wherein the array includes at least one trap door and at least one array element is arranged such that the input is directed to a particular array element in the array, and wherein the step of reflecting comprises reflecting the input light beam between the array and the plurality of optical elements such that the input light beam reflects off of more than one of the array elements in the array, wherein the step of reflecting the input light beam comprises reflecting the input light beam between an array of array elements and a first and second optical elements, wherein the array of array elements comprises a row of array elements and a column of array elements, and wherein at least one array element in the array comprises a switching array element, and further comprising reflecting the input light beam between the array of array elements and third and fourth optical elements such that the input beam is directed to the desired array element.

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