Fiber bundle phase conjugate mirror
An improved method and apparatus for passively conjugating the phases of a distorted wavefronts resulting from optical phase mismatch between elements of a fiber laser array are disclosed. A method for passively conjugating a distorted wavefront comprises the steps of: multiplexing a plurality of probe fibers and a bundle pump fiber in a fiber bundle array; passing the multiplexed output from the fiber bundle array through a collimating lens and into one portion of a non-linear medium; passing the output from a pump collection fiber through a focusing lens and into another portion of the non-linear medium so that the output from the pump collection fiber mixes with the multiplexed output from the fiber bundle; adjusting one or more degrees of freedom of one or more of the fiber bundle array, the collimating lens, the focusing lens, the non-linear medium, or the pump collection fiber to produce a standing wave in the non-linear medium.
- Research Organization:
- US Department of Energy (USDOE), Washington, DC (United States)
- Sponsoring Organization:
- USDOE
- Assignee:
- The United States of America as represented by the Secretary of the Air Force (Washington, DC)
- Patent Number(s):
- 8,169,693
- Application Number:
- 12/540,399
- OSTI ID:
- 1176442
- Resource Relation:
- Patent File Date: 2009 Aug 13
- Country of Publication:
- United States
- Language:
- English
Passive coherent phasing of fiber laser arrays
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conference | April 2008 |
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