Dr. James C. Bremer Profile

Dr. James C. Bremer

Retired

SPIE Involvement:

Author

Publications (28)

Proceedings Article | 7 September 2018 Presentation + Paper

On-orbit validation of the geolocation accuracy of GOES-16 Geostationary Lightning Mapper (GLM) flashes using ground-based laser beacons

Dennis Buechler, Thomas Varghese, Peter Armstrong, James Bremer, Rivers Lamb, Jon Fulbright, Steve Goodman

Proceedings Volume 10764, 107640J (2018) https://doi.org/10.1117/12.2321672

KEYWORDS: Satellites, Clouds, Telescopes, Sensors, Satellite laser ranging, Pulsed laser operation, Laser systems engineering, Optical simulations

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Proceedings Article | 27 August 2010 Paper

On-board calibration of the spectral response functions of the Advanced Baseline Imager's thermal IR channels by observation of the planet Mercury

James Bremer

Proceedings Volume 7807, 78070M (2010) https://doi.org/10.1117/12.859899

KEYWORDS: Mercury, Mercury (planet), Imaging systems, Calibration, Printed circuit board testing, Sensors, Temperature metrology, Sun, Stars, Satellites

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Proceedings Article | 23 September 2009 Paper

Calibration of a zone plate for an EUV solar irradiance monitor

John Seely, Glenn Holland, Michael Kowalski, Benjawan Kjornrattanawanich, James Bremer, Yan Feng

Proceedings Volume 7438, 743811 (2009) https://doi.org/10.1117/12.826038

KEYWORDS: Molybdenum, Zone plates, Extreme ultraviolet, Calibration, Photodiodes, Monochromators, Sensors, Silicon, Imaging systems, Transmittance

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Proceedings Article | 23 September 2009 Paper

Zone plate EUV solar irradiance monitor

James Bremer, John Seely, Glenn Holland, Yan Feng

Proceedings Volume 7438, 743810 (2009) https://doi.org/10.1117/12.825346

KEYWORDS: Sensors, Extreme ultraviolet, Optical filters, Zone plates, Solar radiation, Iron, Diffraction, Thin films, Rockets, Visible radiation

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Proceedings Article | 7 September 2006 Paper

Development of a full-disk ratioing radiometer (FDRR) for calibration of the advanced baseline imager's visible and near IR reflective spectral bands

Peter Silverglate, James Bremer, Joseph Criscione, Nora Bozzolo, Christopher Lashley, Peck Sohn, Lun Xie

Proceedings Volume 6296, 62961A (2006) https://doi.org/10.1117/12.679590

KEYWORDS: Optical spheres, Calibration, Sensors, Sun, Reflectivity, Satellites, Electronics, Space operations, Photodiodes, Integrating spheres

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The Geostationary Operational Environmental Satellite-R (GOES-R), scheduled for launch in 2014, will be the first in a series of next generation weather satellites. It will be 3-axis stabilized in geostationary orbit, and will have an Advanced Baseline Imager (ABI) that can make full-Earth disk images, covering most of the Western Hemisphere, in spectral bands ranging from 0.47-13.3 μm. We are now designing a Full-Disk Ratioing Radiometer (FDRR) to determine the ratio of the full-disk irradiance to the solar irradiance in spectral bands that match the four shortest wavelengths of the ABI's Visible and Near IR (VNIR) spectral bands. When hard-mounted to the nadir face of a GOES-R satellite, this FDRR can determine the full-disk albedo in each band, with the added benefit that the ABI's corresponding channels can be calibrated by comparison of these measurements to the Earth's irradiance measurements derived from simultaneous full disk images made by the ABI. The FDRR uses an integrating sphere with two baffled pinholes. One pinhole has a baffle that restricts its field-of-view (FOV) to a circle 20.1° in diameter, centered at nadir, viewing the Earth's full disk continuously throughout its daily cycle. This baffle has a shutter that allows it to be closed for dark current measurements during the day and to prevent solar intrusion at night. The second pinhole, with a much smaller diameter, has a baffle that restricts its FOV to about 1° in the East-West direction and +/-25° in the North/South direction, allowing the direct solar irradiance to enter the sphere for a brief interval once each night. A radiationhardened fiber optic light pipe couples the output of the sphere to filters and detectors in an electronics box. These filters and detectors have spectral bands matched to those in the ABI. This technique measures the ratio of the full-disk irradiance to the direct solar irradiance, determining the Earth's albedo independent of the detector's response, the transmission of the filters and the fibers, and the sphere's reflectivity.

Proceedings Article | 29 August 2006 Paper

Measurement of zone plate efficiencies in the extreme ultraviolet and applications to radiation monitors for absolute spectral emission

John Seely, Glenn Holland, James Bremer, Tim Zukowski, Michael Feser, Yan Feng, Benjawan Kjornrattanawanich, Leonid Goray

Proceedings Volume 6317, 63170N (2006) https://doi.org/10.1117/12.678142

KEYWORDS: Sensors, Extreme ultraviolet, Zone plates, Diffraction, Visible radiation, Silicon, Gold, Signal detection, Solar radiation, Transmittance

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The diffraction efficiencies of a Fresnel zone plate (ZP), fabricated by Xradia Inc. using the electron-beam writing technique, were measured using polarized, monochromatic synchrotron radiation in the extreme ultraviolet wavelength range 3.4-22 nm. The ZP had 2 mm diameter, 3330 zones, 150 nm outer zone width, and a 1 mm central occulter. The ZP was supported by a 100 nm thick Si₃N₄ membrane. The diffraction patterns were recorded by CMOS imagers with phosphor coatings and with 5.2 μm or 48 μm pixels. The focused +n orders (n=1-4), the diverging -1 order, and the undiffracted 0 order were observed as functions of wavelength and off-axis tilt angle. Sub-pixel focusing of the +n orders was achieved. The measured efficiency in the +1 order was in the 5% to 30% range with the phase-shift enhanced efficiency occurring at 8.3 nm where the gold bars are partially transmitting. The +2 and higher order efficiencies were much lower than the +1 order efficiency. The efficiencies were constant when the zone plate was tilted by angles up to ±1° from the incident radiation beam. This work indicates the feasibility and benefits of using zone plates to measure the absolute EUV spectral emissions from solar and laboratory sources: relatively high EUV efficiency in the focused +1 order, good out-of-band rejection resulting from the low higher-order efficiencies and the ZP focusing properties, insensitivity to (unfocused) visible light scattered by the ZP, flat response with off-axis angle, and insensitivity to the polarization of the radiation based on the ZP circular symmetry. EUV sensors with Fresnel zone plates potentially have many advantages over existing sensors intended to accurately measure absolute EUV emission levels, such as those implemented on the GOES N-P satellites that use transmission gratings which have off-axis sensitivity variations and poor out-of-band EUV and visible light rejection, and other solar and laboratory sensors using reflection gratings which are subject to response variations caused by surface contamination and oxidation.

Proceedings Article | 21 September 2005 Paper

Biorthogonal diffusion wavelets for multiscale representation on manifolds and graphs

Mauro Maggioni, James Bremer, Ronald Coifman, Arthur Szlam

Proceedings Volume 5914, 59141M (2005) https://doi.org/10.1117/12.616909

KEYWORDS: Wavelets, Diffusion, Space operations, Multiscale representation, Biological research, Matrices, Optical spheres, Signal processing, Transform theory, Mathematics

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Proceedings Article | 21 September 2005 Paper

Diffusion-driven multiscale analysis on manifolds and graphs: top-down and bottom-up constructions

Arthur Szlam, Mauro Maggioni, Ronald Coifman, James Bremer

Proceedings Volume 5914, 59141D (2005) https://doi.org/10.1117/12.616931

KEYWORDS: Wavelets, Diffusion, Chemical species, Denoising, Optical spheres, Partial differential equations, Optimization (mathematics), Data analysis, Mathematics, Applied mathematics

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Proceedings Article | 15 September 2005 Paper

Concept for an extreme ultraviolet sensor with a Fresnel zone plate for the GOES-R solar imaging suite

James Bremer, Wenbing Yun

Proceedings Volume 5901, 59010P (2005) https://doi.org/10.1117/12.615399

KEYWORDS: Extreme ultraviolet, Sensors, Zone plates, Thin films, Optical filters, Silicon, Solar radiation, Signal detection, Satellites, Aluminum

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Proceedings Article | 22 August 2005 Paper

Concept for a multispectral imager with a continuously rotating filter wheel and multiple 2-D focal plane arrays

James Bremer

Proceedings Volume 5882, 58820H (2005) https://doi.org/10.1117/12.615362

KEYWORDS: Optical filters, Image filtering, Staring arrays, Imaging systems, Beam splitters, Multispectral imaging, Signal to noise ratio, Integrated optics, Electronic filtering, Telescopes

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Proceedings Article | 5 January 2005 Paper

Calibration of the solar reflective channels in an integrated operational weather satellite system in the era of NPOESS and GOES-R

James Bremer, Joseph Criscione, Marvin Maxwell, Jeffrey Kronenwetter, Tracy Pedersen

Proceedings Volume 5658, (2005) https://doi.org/10.1117/12.581213

KEYWORDS: Calibration, Satellites, Reflectivity, Diffusers, Satellite imaging, Sun, Imaging systems, Clouds, Signal to noise ratio, Meteorological satellites

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Proceedings Article | 26 October 2004 Paper

Concept for a full-Earth albedo radiometer on a GOES satellite

James Bremer, Joseph Criscione

Proceedings Volume 5542, (2004) https://doi.org/10.1117/12.558713

KEYWORDS: Sensors, Reflectivity, Sun, Integrating spheres, Radiometry, Calibration, Satellites, Space operations, Optical spheres, Imaging systems

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Proceedings Article | 26 October 2004 Paper

Wide Field Collimator 2 (WFC2) for GOES Imager and Sounder

Shahriar Etemad, James Bremer, Barbara Zukowski, Bert Pasquale, Tmitri Zukowski, Robert Prince, Patrick O'Neill, Robert Ross

Proceedings Volume 5542, (2004) https://doi.org/10.1117/12.559623

KEYWORDS: Imaging systems, Modulation transfer functions, Light emitting diodes, Autocollimators, Collimators, Mirrors, Image processing, Diamond, Convection, Optical fabrication

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Proceedings Article | 10 November 2003 Paper

GOES imager visible-to-infrared channel registration using star observations

Donald Chu, Jeanette Baucom, Perry Baltimore, James Bremer

Proceedings Volume 5151, (2003) https://doi.org/10.1117/12.505668

KEYWORDS: Stars, Sensors, Imaging systems, Infrared radiation, Mirrors, Infrared imaging, Signal detection, Visible radiation, Image registration, Beam splitters

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Proceedings Article | 10 November 2003 Paper

Coastal zone observations by a hyperspectral or multispectral imager in geostationary orbit

James Bremer, Marvin Maxwell, Edward Howard

Proceedings Volume 5151, (2003) https://doi.org/10.1117/12.504375

KEYWORDS: Signal to noise ratio, Imaging systems, Hyperspectral imaging, Staring arrays, Multispectral imaging, Sensors, Optical filters, Spatial resolution, Space operations, MODIS

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Proceedings Article | 24 September 2002 Paper

Improved wide-field collimator for dynamic testing of the GOES imager and sounder

James Bremer, Shahriar Etemad, Barbara Zukowski, Bert Pasquale, Tmitri Zukowski, Robert Prince, Vincent Holmes, John Ryskewich, Patrick O'Neill, Jeanine Murphy-Morris

Proceedings Volume 4814, (2002) https://doi.org/10.1117/12.451528

KEYWORDS: Light emitting diodes, Imaging systems, Collimators, Control systems, Lens design, Telescopes, Visible radiation, Aerospace engineering, Diffusers, Lamps

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Proceedings Article | 24 September 2002 Paper

Alternative blackbody configurations for infrared calibration of future GOES imagers and sounders

James Bremer

Proceedings Volume 4814, (2002) https://doi.org/10.1117/12.451538

KEYWORDS: Black bodies, Mirrors, Calibration, Space telescopes, Telescopes, Sensors, Imaging systems, Temperature metrology, Space mirrors, Aerospace engineering

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Proceedings Article | 15 November 2000 Paper

Attenuation of direct solar radiation by a perforated plate for on-orbit visible calibration

James Bremer, H. John Wood, Guojun Si

Proceedings Volume 4135, (2000) https://doi.org/10.1117/12.494249

KEYWORDS: Calibration, Diffusers, Sun, Telescopes, Sensors, Visible radiation, Imaging systems, Reflectivity, Space telescopes, Terbium

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Proceedings Article | 24 September 1999 Paper

Advanced Geosynchronous Studies Imager thermal design

David Neuberger, James Bremer, Margo Mehoke

Proceedings Volume 3750, (1999) https://doi.org/10.1117/12.363560

KEYWORDS: Staring arrays, Electronics, Mirrors, Short wave infrared radiation, Cryocoolers, Signal processing, Long wavelength infrared, Imaging systems, Mid-IR, Optical benches

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Proceedings Article | 24 September 1999 Paper

Advanced Geosynchronous Studies Imager: instrument system design

Sanford Hinkal, Del Jenstrom, Jose Florez, James Bremer, Michael Hersh, David Neuberger, Randy Kindsfather

Proceedings Volume 3750, (1999) https://doi.org/10.1117/12.363510

KEYWORDS: Imaging systems, Calibration, Space operations, Visible radiation, Clouds, Mirrors, Reliability, Image resolution, Cryocoolers, Statistical analysis

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Proceedings Article | 24 September 1999 Paper

Scanning technique for Advanced Geosynchronous Studies Imager: conical scanning to compensate for image rotation

James Bremer

Proceedings Volume 3750, (1999) https://doi.org/10.1117/12.363543

KEYWORDS: Mirrors, Staring arrays, Space telescopes, Telescopes, Reflection, Imaging systems, Sensors, Satellites, Space mirrors, Aerospace engineering

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Proceedings Article | 24 September 1999 Paper

Advanced Geosynchronous Studies Imager: scanning CCD star detection

Donald Chu, James Carr, James Bremer, Jaime Esper, Randy Kindsfather

Proceedings Volume 3750, (1999) https://doi.org/10.1117/12.363552

KEYWORDS: Stars, Silicon, Visualization, Sun, Imaging systems, Signal detection, Mirrors, Sensors, Charge-coupled devices, Black bodies

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Proceedings Article | 3 October 1998 Paper

Estimation of long-term throughput degradation of GOES 8 and 9 visible channels by statistical analysis of star measurements

James Bremer, Jeanette Baucom, Hung Vu, Michael Weinreb, Nickalaus Pinkine

Proceedings Volume 3439, (1998) https://doi.org/10.1117/12.325622

KEYWORDS: Stars, Imaging systems, Sensors, Mirrors, Signal detection, Calibration, Statistical analysis, Satellites, Space operations, Image quality

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Proceedings Article | 1 November 1996 Paper

Optical performance budget for the Far Ultraviolet Spectroscopic Explorer

David Sahnow, Cathleen VanDyke, Qian Gong, James Bremer, Michael Kennedy

Proceedings Volume 2863, (1996) https://doi.org/10.1117/12.256237

KEYWORDS: Mirrors, Sensors, Telescopes, Space telescopes, Space operations, Spectrographs, Optical components, Error analysis, Far ultraviolet, UV-Vis spectroscopy

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Proceedings Article | 18 October 1996 Paper

Technique for visible calibration of future GOES sensors by solar viewing through a perforated screen

James Bremer, Guojun Si

Proceedings Volume 2812, (1996) https://doi.org/10.1117/12.254107

KEYWORDS: Calibration, Sensors, Diffraction, Imaging systems, Sun, Mirrors, Convolution, Visible radiation, Reflectivity, Satellites

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SPIE Journal Paper | 1 October 1994

Optimization of the GOES-I Imager's radiometric accuracy: drift and 1/f noise suppression

James Bremer, Gustave Comeyne

OE, Vol. 33, Issue 10, (October 1994) https://doi.org/10.1117/12.10.1117/12.179397

KEYWORDS: Imaging systems, Calibration, Black bodies, Monte Carlo methods, Interference (communication), Sensors, Signal to noise ratio, Computer simulations, Analog electronics, Signal detection

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SPIE Journal Paper | 1 July 1994

Image behavior of optic positioned inside the diffractive depth of focus

Joseph Geary, Qian Gong, James Bremer

OE, Vol. 33, Issue 07, (July 1994) https://doi.org/10.1117/12.10.1117/12.172902

KEYWORDS: Stars, Objectives, Sensors, Relays, Fourier transforms, Satellites, Microscopes, Wavefronts, Diffraction, Geometrical optics

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Proceedings Article | 15 November 1993 Paper

Optimization of the GOES-I Imager's radiometric accuracy: drift and 1/f noise suppression

James Bremer, Gustave Comeyne

Proceedings Volume 1938, (1993) https://doi.org/10.1117/12.161561

KEYWORDS: Black bodies, Calibration, Imaging systems, Sensors, Signal to noise ratio, Interference (communication), Computer simulations, Analog electronics, Monte Carlo methods, Radiometry

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Showing 5 of 28 publications

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