BURKE EDWARD NELSON
Engineers in Albuquerque, NM
License number
Pennsylvania PE013877E
Category
Engineers
Type
Professional Engineer
Address
Address
2
Albuquerque, NM 87122
Pennsylvania
Pennsylvania
Professional information
Independent Aviation &Amp; Aerospace Professional
Position:
Principal at Nelson Engineering LLC
Location:
Albuquerque, New Mexico Area
Industry:
Aviation & Aerospace
Work:
Nelson Engineering LLC
-
Principal
RDA, Logicon, Northrop Grumman, TASC
1984 - 2010
-
Program manager
Education:
PhD, Drexel-Materials Science; MSE U Washington- Aero and Astro; BSME Honors, Michigan State
Honor & Awards:
Tau Beta Pi Distinguished Engineer
Pi Tau Sigma Mechanical Engineering Honorary
7 US Patents
TS Clearance
Awards:
Now 8 US Patents
Burke Nelson - Albuquerque, NM
Work:
SouthwestCARE Center
Computer support Technician Akal Security - Albuquerque, NM
Guard
Computer support Technician Akal Security - Albuquerque, NM
Guard
Education:
Central New Mexico Community College - Albuquerque, NM
Computer Information Systems Cisco Academy I - Socorro, NM
Computer science
Computer Information Systems Cisco Academy I - Socorro, NM
Computer science
System And Method For Coupling Multiple Beams To An Active Fiber
US Patent:
7983313, Jul 19, 2011
Filed:
Jan 30, 2009
Appl. No.:
12/320622
Inventors:
Sami A. Shakir - Albuquerque NM, US
Burke E. Nelson - Albuquerque NM, US
William R. Culver - Albuquerque NM, US
Michael M. Fitelson - Columbia MD, US
Jerry W. Hedrick - Arnold MD, US
George M. Bates - Burke VA, US
Burke E. Nelson - Albuquerque NM, US
William R. Culver - Albuquerque NM, US
Michael M. Fitelson - Columbia MD, US
Jerry W. Hedrick - Arnold MD, US
George M. Bates - Burke VA, US
Assignee:
Northrop Grumman Information Technology, Inc. - Los Angeles CA
International Classification:
H01S 3/30, H01S 3/10, H01S 3/08, G02B 6/26, G02B 6/32
US Classification:
372 6, 372 20, 372 23, 372108, 385 25, 385 26, 385 33, 385 35
Abstract:
A system and a method for coupling multiple pump light beams to an active fiber. The system including an inverted conical disk, concave lens or glass wedge, an active fiber placed in a center of the inverted conical disk (or concave lens) or at a bottom facet of the glass wedge and a plurality of pump light sources. The system further includes a plurality of lenses for focusing pump light beams from pump light sources towards a side of the inverted conical disk, concave lens or glass wedge, wherein the inverted conical disk, concave lens or glass wedge, couples the pump light beams into the active fiber. A method for coupling multiple pump light beams to an active fiber. The method includes providing an inverted conical disk, concave lens or glass wedge. The method further includes providing an active fiber in approximately the center of the inverted conical disk (or concave lens) or at a bottom facet of the glass wedge. The method further includes pump light sources for emitting pump light beams and focusing lenses for focusing pump light beams toward the axis of the active fiber.
System And Method For Combining Multiple Fiber Amplifiers Or Multiple Fiber Lasers
US Patent:
8351114, Jan 8, 2013
Filed:
Feb 2, 2009
Appl. No.:
12/320681
Inventors:
Burke E. Nelson - Albuquerque NM, US
Sami A. Shakir - Albuquerque NM, US
William R. Culver - Albuquerque NM, US
Yuji S. Starcher - Albuquerque NM, US
Jerry W. Hedrick - Arnold MD, US
George M. Bates - Burke VA, US
Sami A. Shakir - Albuquerque NM, US
William R. Culver - Albuquerque NM, US
Yuji S. Starcher - Albuquerque NM, US
Jerry W. Hedrick - Arnold MD, US
George M. Bates - Burke VA, US
Assignee:
Northrop Grumman Systems Corporation - Falls Church VA
International Classification:
H04B 10/17, G02B 6/26, G02B 6/32
US Classification:
359349, 3593415, 385 43, 385115
Abstract:
A system for combining multiple fiber amplifiers, or multiple fiber amplifiers. The system includes a fiber combiner with multiple cores for connecting with the multiple fiber amplifiers and for combining the beams of the fiber amplifiers into a single beam. The fiber amplifiers are aligned, tapered, and stretched. A method for combining fiber amplifiers includes emitting a beam from a tapered fiber combiner and transmitting and coupling a portion of the emitted beam back into the fiber combiner via a feedback fiber. The transmission and coupling of the feedback fiber includes mixing the feedback fiber with the output of an auxiliary laser and boosting the feedback fiber by a pre-amplifier. The feedback fiber is split into a plurality of beams by a fiber splitter. The beams are fed into an array of fiber amplifiers and combined with output of the individual fiber amplifiers to form the tapered fiber combiner.
Optic Element Testing Method And Apparatus
US Patent:
4725144, Feb 16, 1988
Filed:
Feb 25, 1986
Appl. No.:
6/832972
Inventors:
Burke E. Nelson - Albuquerque NM
Marion L. Scott - Albuquerque NM
Marion L. Scott - Albuquerque NM
Assignee:
R & D Associates - Marina Del Rey CA
International Classification:
G01B 902
US Classification:
356360
Abstract:
A system is described for testing aspheric optic elements by the interference of light beam components that are respectively directed to the element to be tested and to a reference element, which facilitates the testing. A reference element is deformable in a controlled manner to more closely match the element to be tested, to produce straighter and more even fringes.
Passive Phasing Of Fiber Amplifiers
US Patent:
7130113, Oct 31, 2006
Filed:
Dec 20, 2004
Appl. No.:
11/015671
Inventors:
Sami A. Shakir - Albuquerque NM, US
Sami T. Hendow - Los Altos CA, US
William Robert Culver - Albuquerque NM, US
Burke E. Nelson - Albuquerque NM, US
Sami T. Hendow - Los Altos CA, US
William Robert Culver - Albuquerque NM, US
Burke E. Nelson - Albuquerque NM, US
Assignee:
Northrop Grumman Corporation - Los Angeles CA
International Classification:
H04B 10/12, H01S 4/00
US Classification:
359349, 359337, 359298, 372 6
Abstract:
A method passively locks and phases an array of fiber amplifiers in a fiber amplifier system that emits a beam, such as a laser beam. The method locks the fiber amplifiers so that the fiber amplifiers operate at same or similar frequencies. The method samples a small portion of the emitted beam in a far-field around a central lobe on an optical axis and then couples this portion of emitted beam back into the array of fiber amplifiers. The fiber amplifiers may be phased so that the emitted beam concentrates its energy around the central lobe in the far-field. Phasing may be achieved by using an aperture, for example, to restrict the portion of the emitted beam to be coupled back to a restricted region around the optical axis.
Method And Apparatus For High Power Amplification In Multimode Fibers
US Patent:
7580431, Aug 25, 2009
Filed:
Aug 23, 2004
Appl. No.:
10/922925
Inventors:
Michael M. Fitelson - Columbia MD, US
Burke E. Nelson - Albuquerque NM, US
Robert R. Rice - Simi Valley CA, US
Sami A. Shakir - Albuquerque NM, US
Burke E. Nelson - Albuquerque NM, US
Robert R. Rice - Simi Valley CA, US
Sami A. Shakir - Albuquerque NM, US
Assignee:
Northrop Grumman Corporation - Los Angeles CA
International Classification:
H01S 3/30
US Classification:
372 6, 372 69
Abstract:
An apparatus and method for high power amplification in a multimode fiber amplifier. The apparatus includes a diffraction limited low power laser, a multimode fiber amplifier, and a lens. The multimode fiber amplifier is coupled to the low power laser to amplify the low power laser output. The multimode fiber amplifier has a length that is set to a phase-matching length at which the transverse modes of the multimode fiber amplifier are in phase. The lens is coupled to the multimode fiber amplifier and outputs a kilowatt (KW)-level, diffraction-limited output beam from the multimode fiber amplifier.