Dr. Donald F. Heath Profile

Dr. Donald F. Heath

Retired

SPIE Involvement:

Author

Publications (19)

Proceedings Article | 21 November 2017 Open Access

Ozone monitoring instrument flight-model on-ground and inflight calibration

Marcel Dobber, Ruud Dirksen, Pieternel Levelt, Gijsbertus van den Oord, Glen Jaross, Matt Kowalewski, George Mount, Donald Heath, Ernest Hilsenrath, Richard Cebula

Proceedings Volume 10568, 105680C (2017) https://doi.org/10.1117/12.2308017

KEYWORDS: Calibration, Diffusers, Mirrors, Aluminum, Sensors, Spectral calibration, Data processing, Ozone, Charge-coupled devices, Reflectivity

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Proceedings Article | 9 November 2012 Paper

A new approach for spectroradiometric calibration consistency on the ground and in space

Donald Heath, Georgi Georgiev

Proceedings Volume 8528, 85280R (2012) https://doi.org/10.1117/12.977252

KEYWORDS: Reflectivity, Calibration, Transmittance, Spectral calibration, Bidirectional reflectance transmission function, Quartz, Glasses, Mie scattering, Diffusers, Opacity

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Proceedings Article | 14 September 2011 Paper

Characteristics of a new type of Mie scattering volume diffuser and its use as a spectral albedo calibration standard for the solar reflective wavelength region

Donald Heath, Georgi Georgiev

Proceedings Volume 8153, 81530V (2011) https://doi.org/10.1117/12.892109

KEYWORDS: Silica, Diffusers, Reflectivity, Transmittance, Calibration, Scattering, Aerospace engineering, Mie scattering, Vacuum ultraviolet, Spectral calibration

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Proceedings Article | 27 September 2007 Paper

Passive A-band Wind Sounder (PAWS) for measuring tropospheric wind velocity profile

Grzegorz Miecznik, Robert Pierce, Pei Huang, Philip Slaymaker, Paul Kaptchen, Shane Roark, Brian Johnson, Donald Heath

Proceedings Volume 6677, 66771C (2007) https://doi.org/10.1117/12.734184

KEYWORDS: Absorption, Signal to noise ratio, Sensors, Doppler effect, Interferometers, Atmospheric modeling, Wind measurement, Phase shifts, Atmospheric sensing, Optical filters

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Proceedings Article | 7 September 2006 Paper

Stray light in packaged detectors

D. Waters, M. Blouke, A. Harwit, D. Heath

Proceedings Volume 6291, 62910U (2006) https://doi.org/10.1117/12.678094

KEYWORDS: Sensors, Charge-coupled devices, Stray light, Reflectivity, Diffraction, Silicon, Near infrared, Aerospace engineering, Fabry–Perot interferometers, Interfaces

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Proceedings Article | 2 February 2004 Paper

The on-ground calibration of the ozone monitoring instrument from a scientific point of view

Ruud Dirksen, Marcel Dobber, Pieternel Levelt, Gijsbertus van den Oord, Glen Jaross, Matthew Kowalewski, George Mount, Donald Heath, Ernest Hilsenrath, Johan de Vries

Proceedings Volume 5234, (2004) https://doi.org/10.1117/12.511484

KEYWORDS: Calibration, Diffusers, Absorption, Spectral calibration, Aluminum, Ozone, Sensors, Mirrors, Reflectivity, Spectrographs

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Proceedings Article | 1 July 2003 Paper

Tropospheric constituents from direct sun and sky radiance measurements: preliminary results on measurement feasibility

Donald Heath, David Flittner

Proceedings Volume 4896, (2003) https://doi.org/10.1117/12.466178

KEYWORDS: Ozone, Aerosols, Atmospheric modeling, Sun, Ultraviolet radiation, Scattering, Absorption, UV optics, Atmospheric sensing, Error analysis

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Proceedings Article | 9 April 2003 Paper

Large-aperture spectral radiance calibration source for ultraviolet remote sensing instruments

Donald Heath

Proceedings Volume 4891, (2003) https://doi.org/10.1117/12.467348

KEYWORDS: Xenon, Lamps, Calibration, Optical spheres, Spectral calibration, Free electron lasers, Ultraviolet radiation, Integrating spheres, Remote sensing, Diffusers

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SPIE Journal Paper | 1 December 2002

Applications of ultraviolet absolute radiometry in satellite and surface-based remote sensing of atmospheric ozone

Donald Heath, Ziauddin Ahmad

OE, Vol. 41, Issue 12, (December 2002) https://doi.org/10.1117/12.10.1117/1.1516825

KEYWORDS: Ozone, Calibration, Sun, Satellites, Ultraviolet radiation, Spectral calibration, Fermium, Frequency modulation, Spectrometers, Satellite communications

Proceedings Article | 17 January 2002 Paper

Applications of ultraviolet absolute radiometry in satellite and surface-based remote sensing of atmospheric ozone

Donald Heath, Ziauddin Ahmad

Proceedings Volume 4482, (2002) https://doi.org/10.1117/12.452908

KEYWORDS: Ozone, Calibration, Sun, Satellites, Free electron lasers, Ultraviolet radiation, Lamps, Spectral calibration, Spectrometers, Optical filters

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Proceedings Article | 21 February 2001 Paper

Multipurpose spectroradiometer for satellite instrument calibration and zenith sky remote sensing measurments

Donald Heath, Ziauddin Ahmad

Proceedings Volume 4150, (2001) https://doi.org/10.1117/12.416989

KEYWORDS: Ozone, Calibration, Standards development, Sun, Photodiodes, Silicon, Spectral calibration, Sensors, Satellites, Absorption

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Proceedings Article | 28 December 1999 Paper

Low-cost remote sensing instruments for atmospheric trace species and improvements in radiometric calibration

Donald Heath

Proceedings Volume 3870, (1999) https://doi.org/10.1117/12.373209

KEYWORDS: Calibration, Lamps, Optical spheres, Xenon, Diffusers, Optical filters, Free electron lasers, Spectral calibration, Monochromators, Ultraviolet radiation

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Proceedings Article | 18 August 1998 Paper

Characterization of a hardened ultrastable UV linear variable filter and recent results on the radiometric stability of narrowband interference filters subjected to temperature/humidity, thermal/v

Donald Heath, Ernest Hilsenrath, Scott Janz

Proceedings Volume 3501, (1998) https://doi.org/10.1117/12.317748

KEYWORDS: Transmittance, Optical filters, Interference filters, Humidity, Temperature metrology, Linear filtering, Signal to noise ratio, Ionizing radiation, Sensors, Ultraviolet radiation

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Proceedings Article | 31 December 1997 Paper

Calibration and characterization of remote sensing instruments using ultrastable interference filters

Donald Heath, Zongying Wei, Ernest Hilsenrath, Scott Janz

Proceedings Volume 3221, (1997) https://doi.org/10.1117/12.298096

KEYWORDS: Interference filters, Remote sensing, Calibration, Monochromators, Thermal energy technology, Stray light, Environmental sensing, Aerospace engineering, Spectral calibration

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Proceedings Article | 8 November 1996 Paper

Rayleigh scattering attitude sensor

Scott Janz, Ernest Hilsenrath, David Flittner, Donald Heath

Proceedings Volume 2831, (1996) https://doi.org/10.1117/12.257207

KEYWORDS: Sensors, Rayleigh scattering, Calibration, Ultraviolet radiation, Diodes, Infrared sensors, Bandpass filters, Detector arrays, Earth's atmosphere, Space telescopes

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Proceedings Article | 8 November 1996 Paper

Implications of measured differences in the spectroradiometric sensitivity of SBUV/2 instruments in air and vacuum on long-term measurements of stratospheric ozone and solar irradiance variations

William Fowler, Kevin Kelly, Donald Heath

Proceedings Volume 2815, (1996) https://doi.org/10.1117/12.257143

KEYWORDS: Calibration, Reflectivity, Diffusers, Mirrors, Aluminum, Lamps, Polarization, Ozone, Quartz, Aerospace engineering

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Proceedings Article | 21 December 1994 Paper

Spectroradiometric calibration and validation of space instruments used to derive long-term changes in stratospheric ozone using the solar backscattered ultraviolet radiation technique

Donald Heath, Zongying Wei, Ernest Hilsenrath, William Fowler, V. Nelson, Roel Hoekstra, Carina Olij, Scott Janz

Proceedings Volume 2318, (1994) https://doi.org/10.1117/12.197235

KEYWORDS: Calibration, Diffusers, Optical spheres, Bidirectional reflectance transmission function, Spectral calibration, Ozone, Spherical lenses, Free electron lasers, Lamps, Aerospace engineering

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Beginning in the mid 1960's large aperture scanning radiometers have been used in space to determine spectroradiometric properties of earth scenes in the red and near infrared regions. Panel diffusers as calibration sources for these radiometers were abandoned in favor of internally illuminated integrating spheres because of problems of illuminating the panel diffuser uniformly.1 Since 1970 spectroradiometric instruments used in space for remote sensing of the atmosphere in the ultraviolet for the determination of stratospheric ozone and total column amounts have used spectral radiance calibrations derived from calibrated panel diffusers illuminated by NIST standards of spectral irradiance. An advantage of the panel diffuser technique is simplicity of the experimental set up. Stratospheric ozone profiles and total column amounts are derived from ratios of atmospheric radiances to corresponding solar irradiances incident at the top of the atmosphere in the wavelength region of 250 - 340 nm. An inherent problem associated with measurements for the remote sensing of stratospheric ozone which is not shared with remote sensing measurements of earth scenes at longer wavelengths of the solar scattering and reflective region is the extremely large dynamic range of atmospheric radiances and the steep gradients of radiance with wavelength. For a typical wavelength scan the spectral radiance changes by about lO and the average signal level of a spectral scan can shift by another factor of 25 or more due to solar zenith angle changes between the subsolar point and the solar zenith angle limit of useful scan information which is within a couple of degrees of the terminator. The derivation of spectral radiance calibrations using either the sphere or panel diffuser techniques for ultraviolet remote sensing instruments are single point calibrations at each wavelength. A subsequent linearity calibration of the detector and electronics is made in non dispersed or white light over the entire dynamic range of the instrument of more than six decades. Consequently the derived radiometric calibration constants consist of a radiometric sensitivity term and a signal dependent linearity correction. An initial comparison of spectral radiance calibrations of SBUV-2 instruments using spherical integrator and panel diffuser techniques has been given by Heath et al.2. Subsequent work by Heath et al. describes the results from comparisons of four spectral radiance calibrations derived using panel diffuser techniques with five spectral radiance calibrations derived using spherical integrator techniques for three different SBUV-2 instruments. The comparability of the sphere and panel diffuser spectral radiance calibration techniques is assesed by comparing derived average BRDF values of panel diffusers based upon the sphere technique with laboratory measurements of BRDF of the panel diffusers. The sphere radiances determined relative to NIST standards of spectral irradiance are compared with measurements of sphere radiance relative to a NIST high temperature blackbody source. This work describes the evaluation of the consistency of spectral radiance calibration scales established using panel diffuser and internally illuminated spherical integrator techniques for the SSBUV and SBUV-2 Flight Model 5 instruments using zenith sky radiance measurements as a function of solar zenith angle (UMKEHR) which coincident in space and time. Also described are the spectral radiance calibrations of the Global Ozone Monitoring Experiment (GOME) with the NASA sphere which has been used to intercalibrate SBUV-2 and SSBUV instruments. These spectral radiance calibration constants are compared with those derived using a Spectralon panel diffuser whose BRDF was measured at NASA Goddard Space Flight Center by J. Butler.

Proceedings Article | 14 September 1994 Paper

Comparisons of UV spectral radiance calibrations of SBUV/2 type ozone monitoring instruments and traceability to NIST

Donald Heath, Zongying Wei, William Fowler, V. Nelson, James Butler, Ernest Hilsenrath

Proceedings Volume 2282, (1994) https://doi.org/10.1117/12.186624

KEYWORDS: Diffusers, Optical spheres, Calibration, Bidirectional reflectance transmission function, Spectral calibration, Spherical lenses, Ultraviolet radiation, Black bodies, Lamps, Free electron lasers

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Proceedings Article | 13 September 1994 Paper

Comparability of spectral radiance calibrations of large aperture earth observing instruments based upon diffuse reflective panels and internally illuminated spherical integrator techniques

Donald Heath, Zongying Wei, William Fowler, V. Nelson, Ernest Hilsenrath

Proceedings Volume 2209, (1994) https://doi.org/10.1117/12.185252

KEYWORDS: Diffusers, Optical spheres, Calibration, Bidirectional reflectance transmission function, Spectral calibration, Spherical lenses, Lamps, Phase transfer function, Free electron lasers, Reflectivity

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Showing 5 of 19 publications

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