Dr. Richard N. Shagam Profile

Dr. Richard N. Shagam

Optical Engineer at Rhizotech

SPIE Involvement:

Author

Area of Expertise:

Interferometry , Optical Design , Optical Testing

Websites:

Personal Website

Proceedings Article | 8 May 2006 Paper

Geometrical optics analysis of clear-air refractive-index perturbations on SAR images

Richard Shagam, Fred Dickey, Armin Doerry

Proceedings Volume 6210, 621003 (2006) https://doi.org/10.1117/12.668326

KEYWORDS: Fourier transforms, Synthetic aperture radar, Atmospheric optics, Refraction, Geometrical optics, Diffraction, Radar, Atmospheric propagation, Directed energy weapons, Refractive index

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Proceedings Article | 19 August 2005 Paper

Optical triggering for enhanced safety

Pat Smith, Clif Briner, Todd Plichta, Richard Shagam, Alan Mar, Mike Cich, Albert Baca, Dennis Martin, Glenn Omdahl

Proceedings Volume 5871, 587103 (2005) https://doi.org/10.1117/12.620393

KEYWORDS: Safety, Semiconductor lasers, Sapphire, Switches, Optics manufacturing, Optical design, Explosives, Solar energy, Camera shutters, Solid state electronics

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Proceedings Article | 16 August 2000 Paper

Laser beam shaping techniques

Fred Dickey, Louis Weichman, Richard Shagam

Proceedings Volume 4065, (2000) https://doi.org/10.1117/12.407361

KEYWORDS: Beam shaping, Diffraction, Chemical elements, Laser applications, Diffusers, Fourier transforms, Laser processing, Gaussian beams, Collimation, Optical simulations

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Proceedings Article | 14 April 2000 Paper

Beam-shaping element for compact fiber injection systems

Louis Weichman, Fred Dickey, Richard Shagam

Proceedings Volume 3929, (2000) https://doi.org/10.1117/12.382762

KEYWORDS: Diffraction, Laser sources, Fiber lasers, Fiber optics, Optical fibers, Integrated optics, Beam shaping, Optical components, Spatial coherence, Structured optical fibers

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Proceedings Article | 2 September 1999 Paper

Optical readout of microaccelerometer code features

Scott Holswade, Fred Dickey, Charles Sullivan, Marc Polosky, Richard Shagam

Proceedings Volume 3878, (1999) https://doi.org/10.1117/12.361267

KEYWORDS: Signal detection, Photonic integrated circuits, Waveguides, Sensors, Integrated optics, Mirrors, Clocks, Microelectromechanical systems, Camera shutters, Silicon

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Proceedings Article | 2 September 1999 Paper

Design and analysis of a micro-optical position readout for acceleration sensing

Richard Shagam, Fred Dickey, Scott Holswade

Proceedings Volume 3878, (1999) https://doi.org/10.1117/12.361275

KEYWORDS: Photonic integrated circuits, Sensors, Mirrors, Binary data, Geometrical optics, Motion models, Environmental sensing, Integrated optics, Nanolithography, Optical analysis

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Proceedings Article | 8 October 1998 Paper

AC phase measuring interferometer for measuring dn/dT of fused silica and calcium fluoride at 193 nm

Richard Shagam

Proceedings Volume 3425, (1998) https://doi.org/10.1117/12.326662

KEYWORDS: Interferometers, Diffraction gratings, Silica, Temperature metrology, Phase shifts, Calcium, Phase measurement, Signal detection, Refraction, Mirrors

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Proceedings Article | 5 June 1998 Paper

Mix-and-match interferometric and optical lithographies for nanoscale structures

Saleem Zaidi, Steven Brueck, Thomas Hill, Richard Shagam

Proceedings Volume 3331, (1998) https://doi.org/10.1117/12.309575

KEYWORDS: Moire patterns, Optical lithography, Lithography, Interferometry, Semiconducting wafers, Optical alignment, Spherical lenses, Scanning electron microscopy, Photoresist materials, Silicon

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Proceedings Article | 7 July 1995 Paper

Improved portable lighting for visual aircraft inspection

Richard Shagam, Jeremy Lerner, Rick Shie

Proceedings Volume 2455, (1995) https://doi.org/10.1117/12.213531

KEYWORDS: Inspection, Optical inspection, Diffusers, Visualization, Reflectors, Light sources and illumination, Nondestructive evaluation, Corrosion, Manufacturing, Fiber optic illuminators

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Proceedings Article | 5 February 1993 Paper

New configurations for the rotating shear-plate interferometer, a.k.a. shear madness

William Sweatt, Richard Shagam

Proceedings Volume 1755, (1993) https://doi.org/10.1117/12.140757

KEYWORDS: Monochromatic aberrations, Cameras, Interferometers, Wavefronts, Mirrors, Video, Computing systems, Collimation, Ultraviolet radiation, Infrared cameras

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Showing 5 of 10 publications

SPIE Conference Volume | 31 December 1980

Optical Alignment I

Conference Committee Involvement (1)

Optical Alignment I

29 July 1980 | San Diego, United States

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