Dr. James J. Guregian Profile

Dr. James J. Guregian

Operations Manager at L3Harris Technologies Inc

SPIE Involvement:

Author

Publications (12)

Proceedings Article | 2 March 2020 Paper

Deep space optical communications (DSOC) beam expander design and engineering

D. Driscoll, B. Zellers, J. Schomacker, J. Carro, W. Roberts, D. MacDonald, J. Guregian, W. Klipstein

Proceedings Volume 11272, 112720H (2020) https://doi.org/10.1117/12.2546678

KEYWORDS: Telescopes, Silicon carbide, Beam expanders, Wavefronts, Mirrors, Space operations, Optical communications, Laser communications

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Proceedings Article | 8 September 2010 Paper

The WISE telescope and scanner: design choices and hardware results

Deepak Sampath, Alan Akerstrom, Mark Barry, Jim Guregian, Mark Schwalm, Virginia Ugolini

Proceedings Volume 7796, 779609 (2010) https://doi.org/10.1117/12.864347

KEYWORDS: Scanners, Telescopes, Imaging systems, Distortion, Space telescopes, Mirrors, Interfaces, Optical design, Optical instrument design, Beam splitters

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Proceedings Article | 6 August 2010 Paper

Hardware results for the Wide-field Infrared Survey Explorer (WISE) telescope and scanner

Mark Schwalm, Alan Akerstrom, Mark Barry, Jim Guregian, Mark Larsen, Peter Laquidara, Jack Regan, Virginia Ugolini

Proceedings Volume 7731, 77310Y (2010) https://doi.org/10.1117/12.857499

KEYWORDS: Space telescopes, Mirrors, Telescopes, Scanners, Infrared telescopes, Infrared radiation, Imaging systems, Distortion, Beam splitters, Image quality

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Proceedings Article | 18 August 2005 Paper

Cryogenic telescope, scanner, and imaging optics for the Wide-field Infrared Survey Explorer (WISE)

Mark Schwalm, Mark Barry, Gerry Perron, Deepak Sampath, Francis LaMalva, James Guregian, Blake Crowther

Proceedings Volume 5904, 59040K (2005) https://doi.org/10.1117/12.617653

KEYWORDS: Scanners, Space telescopes, Mirrors, Telescopes, Beam splitters, Imaging systems, Image quality, Channel projecting optics, Infrared telescopes, Distortion

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Proceedings Article | 12 December 2003 Paper

Material trades for reflective optics from a systems engineering perspective

James Guregian, John Pepi, Mark Schwalm, Farshid Azad

Proceedings Volume 5179, (2003) https://doi.org/10.1117/12.511537

KEYWORDS: Silicon carbide, Aluminum, Beryllium, Mirrors, Glasses, Polishing, Nickel, Bidirectional reflectance transmission function, Optical design, Surface finishing

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Proceedings Article | 10 November 2003 Paper

SiC optics for Earth observing applications

Joseph Robichaud, James Guregian, Mark Schwalm

Proceedings Volume 5151, (2003) https://doi.org/10.1117/12.505701

KEYWORDS: Silicon carbide, Bidirectional reflectance transmission function, Silicon, Surface finishing, Optics manufacturing, Mirrors, Alternate lighting of surfaces, Chemical vapor deposition, Aspheric lenses, Cladding

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Proceedings Article | 19 October 1994 Paper

Contamination measurements during development and testing of the SPIRIT III cryogenic infrared telescope

James Dyer, Russell Mikesell, Radford Perry, Tracy Mikesell, James Guregian

Proceedings Volume 2261, (1994) https://doi.org/10.1117/12.190146

KEYWORDS: Bidirectional reflectance transmission function, Sensors, Mirrors, Telescopes, Space telescopes, Cryogenics, Nitrogen, Space operations, Liquids, Contamination

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Proceedings Article | 21 January 1993 Paper

Development of the SPIRIT III telescope: from design through test

Andrew Mastandrea, Richard Glasheen, James Guregian, Roy Esplin

Proceedings Volume 1765, (1993) https://doi.org/10.1117/12.140893

KEYWORDS: Telescopes, Mirrors, Space telescopes, Cryogenics, Radiometry, Optical fabrication, Radio optics, Bidirectional reflectance transmission function, Optical testing, Optical instrument design

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Proceedings Article | 18 December 1992 Paper

Assessment of the near-field contamination and off-axis leakage effects on earthlimb background measurements from CIRRIS 1A

Ned Wheeler, Donald Smith, D. Dean, Harold Gardiner, James Gibson, Jack Griffin, Stephan Price, Richard Nadile, Lynne Bates, Gail Bingham, Kent Johnson, James Guregian, Robert Benoit

Proceedings Volume 1754, (1992) https://doi.org/10.1117/12.140728

KEYWORDS: Contamination, Sensors, Mirrors, Space telescopes, Particles, Bidirectional reflectance transmission function, Telescopes, Rockets, Data modeling, Radiometry

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Proceedings Article | 18 December 1992 Paper

Outgassing analyses performed during vacuum bakeout of components painted with Chemglaze Z306/9922

James Dyer, Richard Benson, Terry Phillips, James Guregian

Proceedings Volume 1754, (1992) https://doi.org/10.1117/12.140731

KEYWORDS: Spectroscopy, Contamination, Crystals, Statistical analysis, Ions, Telescopes, Epoxies, Chemical species, Space telescopes, Polyurethane

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Proceedings Article | 1 November 1990 Paper

Overview of contamination effects on the performance of high-straylight-rejection telescopes via ground measurements

James Guregian, Robert Benoit, Wallace Wong

Proceedings Volume 1329, (1990) https://doi.org/10.1117/12.22587

KEYWORDS: Bidirectional reflectance transmission function, Mirrors, Telescopes, Space telescopes, Sensors, Contamination, Cryogenics, Contamination control, Control systems, Telescope design

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Proceedings Article | 1 November 1990 Paper

Laser-mirror cleaning in a simulated space environment

Vicky Pierce, Michael Frish, B. David Green, Lawrence Piper, James Guregian, Michael Anapol

Proceedings Volume 1329, (1990) https://doi.org/10.1117/12.22621

KEYWORDS: Mirrors, Bidirectional reflectance transmission function, Carbon dioxide lasers, Contamination, Liquids, Cryogenics, Nitrogen, Pulsed laser operation, Laser scattering, Space mirrors

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Showing 5 of 12 publications

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