Dr. Ping Zhao Profile

Dr. Ping Zhao

Astrophysicist at Harvard-Smithsonian Ctr-Asphys

SPIE Involvement:

Author

Publications (22)

Proceedings Article | 4 June 2019 Presentation + Paper

X-ray scattering from random rough surfaces

Ping Zhao

Proceedings Volume 11032, 110320C (2019) https://doi.org/10.1117/12.2522356

KEYWORDS: Scattering, Mirrors, X-rays, Fourier transforms, Surface roughness, Surface finishing, Reflection, Specular reflections, Far-field diffraction, Rayleigh scattering

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Proceedings Article | 12 May 2015 Paper

Transverse x-ray scattering on random rough surfaces

Ping Zhao

Proceedings Volume 9510, 951009 (2015) https://doi.org/10.1117/12.2180449

KEYWORDS: Scattering, Mirrors, X-rays, Surface finishing, Fourier transforms, Surface roughness, Einsteinium, Reflection, X-ray optics, Rayleigh scattering

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Proceedings Article | 3 February 2004 Paper

The role of modeling in the calibration of the Chandra's optics

Diab Jerius, Lester Cohen, Richard Edgar, Mark Freeman, Terrance Gaetz, John Hughes, Dan Nguyen, William Podgorski, Michael Tibbetts, Leon Van Speybroeck, Ping Zhao

Proceedings Volume 5165, (2004) https://doi.org/10.1117/12.509378

KEYWORDS: Calibration, Data modeling, Mirrors, Geometrical optics, Sensors, Scattering, X-rays, Performance modeling, Metrology, Optical simulations

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Proceedings Article | 3 February 2004 Paper

Calibrating the wings of the Chandra PSF

Terrance Gaetz, Richard Edgar, Diab Jerius, Ping Zhao, Randall Smith

Proceedings Volume 5165, (2004) https://doi.org/10.1117/12.509362

KEYWORDS: Point spread functions, Scattering, Mirrors, Calibration, X-rays, Quantum efficiency, Sensors, Error analysis, Photons, Aluminum

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Proceedings Article | 3 February 2004 Paper

Chandra X-ray Observatory mirror effective area

Ping Zhao, Diab Jerius, Richard Edgar, Terrance Gaetz, Leon Van Speybroeck, Beth Biller, Eli Beckerman, Herman Marshall

Proceedings Volume 5165, (2004) https://doi.org/10.1117/12.509379

KEYWORDS: X-rays, Calibration, Sensors, Mirrors, X-ray sources, Observatories, X-ray telescopes, Quantum efficiency, Buildings, Data analysis

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Proceedings Article | 11 March 2003 Paper

New method to model X-ray scattering from random rough surfaces

Ping Zhao, Leon Van Speybroeck

Proceedings Volume 4851, (2003) https://doi.org/10.1117/12.461426

KEYWORDS: Scattering, Mirrors, X-rays, Fourier transforms, Surface roughness, X-ray telescopes, Reflection, Specular reflections, Observatories, Polishing

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Proceedings Article | 18 July 2000 Paper

Orbital measurement and verification of the Chandra X-ray Observatory's PSF

Diab Jerius, R. Donnelly, M. Tibbetts, Richard Edgar, Terrance Gaetz, Daniel Schwartz, Leon Van Speybroeck, Ping Zhao

Proceedings Volume 4012, (2000) https://doi.org/10.1117/12.391555

KEYWORDS: Data modeling, Point spread functions, Calibration, Mirrors, X-rays, Sensors, Device simulation, Systems modeling, Observatories, Performance modeling

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Proceedings Article | 18 July 2000 Paper

Absolute effective area of the Chandra high-resolution mirror assembly (HRMA)

Daniel Schwartz, Laurence David, R. Donnelly, Richard Edgar, Terrance Gaetz, Dale Graessle, Diab Jerius, Michael Juda, Edwin Kellogg, Brian McNamara, Paul Plucinsky, Leon Van Speybroeck, Bradford Wargelin, S. Wolk, Ping Zhao, Daniel Dewey, Herman Marshall, Norbert Schulz, Ronald Elsner, Jeffery Kolodziejczak, Stephen O'Dell, Douglas Swartz, Allyn Tennant, Martin Weisskopf

Proceedings Volume 4012, (2000) https://doi.org/10.1117/12.391566

KEYWORDS: X-rays, Calibration, Mirrors, Reflectivity, Sensors, Synchrotrons, Observatories, Photons, X-ray imaging, Optical testing

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Proceedings Article | 18 July 2000 Paper

In-flight performance and calibration of the Chandra high-resolution camera imager (HRC-I)

Almus Kenter, John Chappell, Ralph Kraft, Gary Meehan, Stephen Murray, Martin Zombeck, K. Hole, Michael Juda, R. Donnelly, Daniel Patnaude, Deron Pease, Charles Wilton, Ping Zhao, Gerald Austin, George Fraser, James Pearson, John Lees, Adam Brunton, Marco Barbera, Alfonso Collura, Salvatore Serio

Proceedings Volume 4012, (2000) https://doi.org/10.1117/12.391585

KEYWORDS: Sensors, Quantum efficiency, Microchannel plates, X-rays, Calibration, Synchrotrons, Ultraviolet radiation, Point spread functions, Image resolution, Photons

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Proceedings Article | 18 July 2000 Paper

In-flight performance and calibration of the Chandra high-resolution camera spectroscopic readout (HRC-S)

Ralph Kraft, John Chappell, Almus Kenter, Gary Meehan, Stephen Murray, Martin Zombeck, R. Donnelly, Jeremy Drake, C. Olivia Johnson, Michael Juda, Daniel Patnaude, Deron Pease, Peter Ratzlaff, Bradford Wargelin, Ping Zhao, Gerald Austin, George Fraser, James Pearson, John Lees, Adam Brunton, Marco Barbera, Alfonso Collura, Salvatore Serio

Proceedings Volume 4012, (2000) https://doi.org/10.1117/12.391586

KEYWORDS: Quantum efficiency, Calibration, Sensors, Microchannel plates, X-rays, Data modeling, Synchrotrons, Image segmentation, Error analysis, Aluminum

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Proceedings Article | 19 November 1998 Paper

AXAF-mirror effective area calibration using the C-continuum source and solid state detectors

Ping Zhao, Robert Austin, Richard Edgar, Ronald Elsner, Terrance Gaetz, Dale Graessle, Diab Jerius, Jeffery Kolodziejczak, Walter McDermott, Stephen O'Dell, Martin Sulkanen, Daniel Schwartz, Douglas Swartz, Allyn Tennant, Leon Van Speybroeck, Bradford Wargelin, Martin Weisskopf, C. Zirnstein

Proceedings Volume 3444, (1998) https://doi.org/10.1117/12.331240

KEYWORDS: Calibration, X-rays, Sensors, Quantum efficiency, Mirrors, Error analysis, Solid state electronics, Data modeling, Spectral resolution, Solids

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Proceedings Article | 19 November 1998 Paper

Calibration results for the AXAF flight contamination monitor

Ronald Elsner, Stephen O'Dell, Brian Ramsey, Allyn Tennant, Martin Weisskopf, Jeffery Kolodziejczak, Douglas Swartz, Darell Engelhaupt, Gordon Garmire, John Nousek, Mark Bautz, Terrance Gaetz, Ping Zhao

Proceedings Volume 3444, (1998) https://doi.org/10.1117/12.331235

KEYWORDS: Calibration, Charge-coupled devices, Contamination, Sensors, Silver, X-rays, Mirrors, Ray tracing, Manganese, Optical amplifiers

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Proceedings Article | 11 July 1997 Paper

AXAF HRMA mirror ring-focus measurements

Ping Zhao, Lester Cohen, Leon Van Speybroeck

Proceedings Volume 3113, (1997) https://doi.org/10.1117/12.278840

KEYWORDS: Epoxies, Mirrors, Data modeling, Calibration, X-rays, Modulation, Photons, Sensors, Fourier transforms, Temperature metrology

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Proceedings Article | 11 July 1997 Paper

Performance expectation versus reality

Leon Van Speybroeck, Diab Jerius, Richard Edgar, Terrance Gaetz, Ping Zhao, Paul Reid

Proceedings Volume 3113, (1997) https://doi.org/10.1117/12.278890

KEYWORDS: Mirrors, X-rays, Scattering, Monochromatic aberrations, Optical components, Calibration, Coating, Surface roughness, Error analysis, Sensors

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Proceedings Article | 11 July 1997 Paper

Focus and alignment of the AXAF optics

Terrance Gaetz, William Podgorski, Lester Cohen, Mark Freeman, Richard Edgar, Diab Jerius, Leon Van Speybroeck, Ping Zhao, Jeffery Kolodziejczak, Martin Weisskopf

Proceedings Volume 3113, (1997) https://doi.org/10.1117/12.278839

KEYWORDS: Mirrors, Data modeling, X-rays, Monochromatic aberrations, Optical alignment, X-ray optics, Error analysis, Camera shutters, Sensors, X-ray imaging

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Proceedings Article | 20 June 1995 Paper

AXAF VETA-I mirror x-ray test results cross-check with the HDOS metrology data

Ping Zhao, Leon Van Speybroeck

Proceedings Volume 2515, (1995) https://doi.org/10.1117/12.212604

KEYWORDS: Mirrors, Scattering, X-rays, Data modeling, Surface roughness, Metrology, Photons, Sensors, Spatial frequencies, X-ray detectors

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Proceedings Article | 1 February 1994 Paper

AXAF VETA-I mirror ring focus measurements

Ping Zhao, Mark Freeman, Diab Jerius, Y. Shao

Proceedings Volume 2011, (1994) https://doi.org/10.1117/12.167238

KEYWORDS: Mirrors, Data modeling, Epoxies, X-rays, Sensors, Monochromatic aberrations, Photons, Modulation, Thermal modeling, Microchannel plates

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