Dr. Charles W. Haggans Profile

Dr. Charles W. Haggans

Senior Manager at Lockheed Martin

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Publications (3)

Proceedings Article | 8 September 1995 Paper

FDTD simulation of push-pull tracking servo signals for rewritable optical disks

Justin Judkins, Charles Haggans, Richard Ziolkowski

Proceedings Volume 2514, (1995) https://doi.org/10.1117/12.218717

KEYWORDS: Finite-difference time-domain method, Optical tracking, Optical discs, Servomechanisms, Signal detection, Device simulation, Dielectric polarization, Refractive index, Silicon, Polarization

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Proceedings Article | 13 August 1992 Paper

Integrated device with diffractive polarization components for a magneto-optical disk head

Charles Haggans, Teruo Fujita, Raymond Kostuk

Proceedings Volume 1663, (1992) https://doi.org/10.1117/12.137578

KEYWORDS: Polarization, Diffraction gratings, Head, Beam splitters, Sensors, Optical storage, Refractive index, Silver, Signal generators, Photoresist materials

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Proceedings Article | 1 July 1991 Paper

Use of rigorous vector coupled-wave theory for designing and tolerancing surface-relief diffractive components for magneto-optical heads

Charles Haggans, Raymond Kostuk

Proceedings Volume 1499, (1991) https://doi.org/10.1117/12.45943

KEYWORDS: Diffraction gratings, Diffraction, Polarization, Tolerancing, Data modeling, Head, Data storage, Optical storage, Linear polarizers, Photoresist materials

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