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Dr. Duncan J. W. Walker
Optics Consultant
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Publications (4)
Proceedings Article | 22 April 2016 Paper
Field mappers for laser material processing
Proceedings Volume 9727, 97270S (2016) https://doi.org/10.1117/12.2213481
KEYWORDS: High power lasers, Beam shaping, Manufacturing, Laser sources, Optics manufacturing, Freeform optics, Silica, Laser processing, Beam delivery, Optical fabrication, Near field optics, Diffraction
Proceedings Article | 23 September 2015 Paper
Optical design of precision approach path indicators in a portable runway lighting system
Duncan Walker, Adam Monaghan
Proceedings Volume 9629, 962903 (2015) https://doi.org/10.1117/12.2191122
KEYWORDS: Waveguides, Light emitting diodes, Light sources and illumination, Optical design, Planar waveguides, Zemax, Manufacturing, Lens design, Transform theory, Solids
Proceedings Article | 20 February 2014 Paper
Beamshaping for high-power lasers using freeform refractive optics
Proceedings Volume 8963, 89630C (2014) https://doi.org/10.1117/12.2040660
KEYWORDS: Diffractive optical elements, High power lasers, Freeform optics, Beam shaping, Speckle, Optical simulations, Zemax, Head, Optical design, Laser processing
Proceedings Article | 23 February 2006 Paper
Power scaling of high-power fiber lasers for micromachining and materials processing applications
Stephen Norman, Mikhail Zervas, Andrew Appleyard, Paul Skull, Duncan Walker, Paul Turner, Ian Crowe
Proceedings Volume 6102, 61021P (2006) https://doi.org/10.1117/12.645527
KEYWORDS: Fiber lasers, Modulation, Continuous wave operation, Structured optical fibers, High power fiber lasers, Laser applications, Laser systems engineering, Micromachining, Diodes
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