NASA Logo Jet Propulsion Laboratory California Institute of Technology View the NASA Portal
NASA Banner
NASA Banner
NASA Banner
JPL HOME EARTH SOLAR SYSTEM STARS & GALAXIES SCIENCE & TECHNOLOGY
NASA Banner
JPL Science
JPL Science Division Home
Planetary Science Planetary Science
Astrophysics & Space Sciences Astrophysics & Space Sciences
Earth Science Earth Science
Center for Climate Sciences (3292)
Earth Surface And Interior (329A)
Ocean Circulation And Air Sea Interaction (329B)
Sea Level And Ice (329C)
Stratosphere And Upper Troposphere (329D)
Atmospheric Physics And Weather (329E)
Terrestrial Hydrology (329F)
Carbon Cycle And Ecosystems (329G)
Laboratory Studies And Atmospheric Observations (329H)
Tropospheric Composition (329I)
Aerosols And Clouds (329J)
People
Projects
Directorate Science Affiliates Directorate Science Affiliates
Open Postdoc Positions Open Postdoc Positions
Brochures Brochures
 Aerosols And Clouds (329J): People
Feng  Xu's Picture
Address:
Jet Propulsion Laboratory
M/S 233-208B
4800 Oak Grove Drive
Pasadena, CA 91109
Phone:
818.393.8632
Fax:
818.393.4619
Email Contact:
Curriculum Vitae:

Feng Xu

Education
  • Ph.D., Physics, University of Rouen, France (2008)
  • M.S., Mechanical Engineering, University of Shanghai for Science and Technology (2004)
  • B.S. Thermal Engineering, University of Shanghai for Science and Technology (2002)

Research Interests
  • Atmospheric radiation
  • Light scattering by small particles
  • Remote algorithm development for characterizing aerosol and cloud microphysical properties, and ocean/land surface reflection

Projects

AirMSPI Icon AirMSPI
The Airborne Multiangle SpectroPolarimetric Imager (AirMSPI) instrument flies aboard NASA's ER-2 high altitude aircraft.

MISR Icon MISR
The Multi-angle Imaging SpectroRadiometer (MISR) instrument provides a unique opportunity for studying the environment and climate of Earth through the acquisition of global multiangle imagery on the daylit side of Earth.


Professional Experience
  • Jet Propulsion Laboratory (2010 - Present)
    • Research Scientist, Jet Propulsion Laboratory (2017 - current)
    • Scientist, Jet Propulsion Laboratory (2013 - 2017)
    • Assistant Research Scientist: JPL/UCLA Joint Institute for Regional Earth System Science and Engineering, University of California, Los Angeles USA (2012 - 2013)
    • NASA Post-doc Scholar, Earth and Planetary Atmospheres Group, Jet Propulsion Laboratory, NASA/California Institute of Technology, USA (2010 - 2012)
  • Technical University of Darmstadt, Germany (2007 - 2010)
    • Post-doc: Institute of Fluid Mechanics and Aerodynamics (2007- 2010)
    • Alexander von Humboldt Research Fellow (2007 - 2009)

Selected Awards
  • NASA Early Career Achievement Medal (2018)
  • NASA Group Achievement Award (2017)
  • Elsevier/JQSRT P.C. Waterman Award (2016)
  • JPL Voyager Award (2016)
  • JPL Team Award (2016)
  • NASA Group Achievement Award (2014)
  • NASA Postdoc Program Fellowship (2010-2012)
  • Alexander von Humboldt Research Fellowship (2007-2010)
  • French Government Fellowship (2004-2007)

Selected Publications
  1. M. Gao, P-W. Zhai, B. Franz, Y. Hu, K. Knobelspiesse, P. J. Werdell, A. Ibrahim, and F. Xu "Retrieval of aerosol properties and water leaving reflectance from multi-angular polarimetric measurements over coastal waters," Opt. Express, 26, 8968-8989, 2018.
  2. C.L. Bradley, D. J. Diner, M. Kupinski, F. Xu, R.A. Chipman, "Spectral invariance hypothesis study of polarized reflectance with ground-based Multiangle SpectroPolarimetric Imager (GroundMSPI)," J. Appl. Remote Sensing, under review, 2018.
  3. F. Xu, D.J. Diner, J. L. McDuffie, M. J. Garay, I.N. Tkatcheva, M.A. Bull, F.C. Seidel, G. van Harten, A.B. Davis, L. Di Girolamo, D. Fu, M. Su, G. Zhao, "AirMSPI cloud droplet size and optical depth retrieval algorithm theoretical basis," ATBD, JPL D-100521, 2017.
  4. F. Xu G. van Harten, D.J. Diner., A.B. Davis, F. Seidel, B. Rheingans, M. Toska, M. Alexandrov, B. Cairns, R. Ferrare, S. Burton, M. Fenn, C. Hostetler, R. Wood, and J. Redemann, "Coupled retrieval of cloud and aerosol above cloud properties using AirMSPI," J. Geophys. Res. Atmos., 123, no. 6, 3175-3204.
  5. Davis, A.B., F. Xu, and D. J. Diner, "Addendum to 'Generalized radiative transfer theory for scattering by particles in an absorbing gas: addressing both spatial and spectral integration in multi-angle remote sensing of optically thin aerosol Layers'," J. Quant. Spectrosc. Radiat. Transfer. 205, 251-253, 2018.
  6. Davis, A.B., F. Xu, and D. J. Diner, "Generalized radiative transfer theory for scattering by particles in an absorbing gas: addressing both spatial and spectral integration in multi-angle remote sensing of optically thin aerosol Layers," J. Quant. Spectrosc. Radiat. Transfer. 205, 148-162, 2018.
  7. M. L. Witek, D. J. Diner, M. J. Garay, F. Xu, M. A. Bull, and F. C. Seidel, "Improving MISR AOD retrievals with low light-level corrections for veiling light," IEEE Trans. Geosci. Remote Sens., 56, Page to be assigned, 2017.
  8. F. Xu, G. van Harten, D. J. Diner, O. V. Kalashnikova, F. C. Seidel, C. J. Bruegge, and O. Dubovik, Coupled retrieval of aerosol properties and land surface reflection using the Airborne Multiangle SpectroPolarimetric Imager (AirMSPI), J. Geophys. Res.,Atmos., 122, 7004-7026, 2017.
  9. F. Xu, O. Dubovik, P.-W. Zhai, D. J. Diner, O. V. Kalashnikova, F. C. Seidel, P. Litvinov, A. Bovchaliuk, M. J. Garay, G. van Harten, and A. B. Davis, Joint retrieval of aerosol and water-leaving radiance from multi-spectral, multi-angular and polarimetric measurements over ocean, Atmos. Meas. Tech. 9, 2877-2907, 2016.
  10. F. Xu, A. B. Davis, and D. J. Diner, Markov chain formalism for generalized radiative transfer in a plane-parallel medium, accounting for Polarization. J. Quant. Spectrosc. Radiat. Transfer. 184, 14-26, 2016.
  11. A. B. Davis and F. Xu, A generalized linear transport model for spatially correlated stochastic media, J. Comput. & Theoretical Transport, 43, 474-514, 2014.
  12. H. Yu, F. Xu, C. Tropea, Optical caustics associated with the primary rainbow of oblate droplets: simulation and application in non-sphericity measurement. Opt. Express 21, 25761-25771, 2013.
  13. H. Yu, F. Xu, C. Tropea, Simulation of optical caustics associated with the secondary rainbow of oblate droplets, Opt. Lett. 38, 4469-4472, 2013.
  14. A. B. Davis and F. Xu, A generalized linear transport model for spatially correlated stochastic media, J. Comput. & Theoretical Transport, 43, 474-514, 2014.
  15. F. Xu, R. A. West, and A. B. Davis, A hybrid method for modeling polarized radiative transfer in a spherical-shell planetary atmosphere, JQSRT, 117, 59-70, 2013
  16. H. Yu, F. Xu and C. Tropea, Spheroidal droplet measurements based on generalized rainbow patterns, JQSRT, 126, 105-112, 2013.
  17. D. J. Diner, F. Xu, M. J. Garay, J. V. Martonchik, B. E. Rheingans, S. Geier, A. Davis, B. R. Hancock, V. M. Jovanovic, M. A. Bull, K. Capraro, R. A. Chipman, and S. C. McClain, The Airborne Multiangle SpectroPolarimetric Imager (AirMSPI): a new tool for aerosol and cloud remote sensing, Atmos. Meas. Tech. 6, 2007-2025, 2013.
  18. D. J. Diner, F. Xu, J. V. Martonchik, B. E. Rheingans, S. Geier, V. M. Jovanovic, A. Davis, R. A. Chipman, and S. C. McClain, Exploration of a Polarized Surface Bidirectional Reflectance Model Using the Ground-Based Multiangle SpectroPolarimetric Imager, Atmosphere 3, 591-619, 2012.
  19. F. Xu and A. B. Davis, Derivatives of light scattering properties of a nonspherical particle computed with the T-matrix method, Opt. Lett. 36, 4464-4466, 2011.
  20. G. Gouesbet, F. Xu, and Y. Han, Expanded description of electromagnetic arbitrary shaped beams in spheroidal coordinates, for use in light scattering theories: A review, JQSRT, 112, 2249-2267, 2011.
  21. F. Xu, A. B. Davis, S. V. Suniti, J. Martonchik and D. J. Diner, Linearization of Markov chain formalism for vector radiative transfer in a plane-parallel atmosphere/surface system, Appl. Opt. 51, 3491-3507, 2012.
  22. F. Xu, A. B. Davis, R. A. West, J. Martonchik, and D. J. Diner, Markov chain formalism for vector radiative transfer in a plane-parallel atmosphere overlying a polarizing surface, Opt. Lett. 36, 2083-2085, 2011.
  23. F. Xu, A. B. Davis, R. A. West, and L. W. Esposito, Markov chain formalism for polarized light transfer in plane-parallel atmospheres, with numerical comparison to the Monte Carlo method, Opt. Express 19, 946-967, 2011.
  24. . F. Xu and J. A. Lock, Debye series for light scattering by a coated nonspherical particle, Phy. Rev. A. 81, 063812, 2010.
  25. F. Xu, and J. A. Lock, and G. Gouesbet, Debye series for light scattering by a nonspherical particle, Phy. Rev. A. 81, 043824, 2010.
  26. J. A. Lock, and F. Xu. Optical Caustics observed in light scattering by an oblate spheroid, Appl. Opt. 49, 1288-1304, 2010.
  27. F. Xu, and J. A. Lock, and C. Tropea, Debye series for light scattering by a spheroid. J. Opt. Soc. Am. A 27, 671-686, 2010.
  28. K. F. Ren, F. Xu, J. Dorey, and X. Cai, Development of a Precise and in Situ Turbidity Measurement System, Chem. Eng. Comm. 197, 250-259, 2010.
  29. F. Xu, J. A. Lock, G. Gouesbet, and C. Tropea, Optical stress on the surface of a particle: Homogeneous sphere. Phys. Rev. A. 79, 053808 2009.
  30. S. Bakic, F. Xu, N. Damaschke, and C. Tropea, Feasibility of extending rainbow refractometry to small particles using femtosecond laser pulses. Part. Part. Syst. Charact. 26, 34-40, 2009.
  31. F. Xu, X. Cai, M. Su, K. F. Ren, and J. M. Dorey, Study on the measurement of high pressure wet steam by spectral light extinction method. J. Power Eng. 29, 254-261, 2009.
  32. F. Xu, J. A. Lock, G. Gouesbet, and C. Tropea, Radiation torque exerted on a spheroid: analytical solution. Phys. Rev. A. 77, 154806 2008.
  33. F. Xu, K. F. Ren, G. Gouesbet, G. Gréhan, and X. Cai, Generalized Lorenz-Mie theory for arbitrarily oriented, located and shaped beam scattering by a homogeneous spheroid. J. Opt. Soc. Am. A 24, 119-131, 2007.
  34. F. Xu, G. Gouesbet, X. Cai, and G. Gréhan, Theoretical prediction of radiation pressure force exerted on a spheroid by an arbitrarily shaped beam. Phys. Rev. E 75, 026613, 2007.
  35. .F. Xu, K. F. Ren, and X. Cai, Expansion of arbitrarily oriented, located and shaped beam in spheroidal coordinates. J. Opt. Soc. Am. A 24, 109-118, 2007.
  36. M. Su, F. Xu, X. Cai, K. F. Ren, and J. Shen, Optimization of regularization parameters of inversion in particle sizing using light extinction method. Particuology 5, 295-299, 2007.
  37. F. Xu, K. F. Ren, and X. Cai, Extension of geometrical-optics approximation to on-axis Gaussian beam scattering. I. By a spherical particle. Appl. Opt. 45, 4990-4999, 2006.
  38. F. Xu, K. F. Ren, X. Cai, and J. Shen, Extension of geometrical-optics approximation to on-axis Gaussian beam scattering. II. By a spheroidal particle with end-on incidence. Appl. Opt. 45, 5000-5009, 2006.
  39. J. Shen, B. Yu, Y. Xu, F. Xu, and J. Shen, Particle sizing by spectral analysis on transmission fluctuations. Powder Techn. 166, 91-99, 2006.
  40. F. Xu, and K. F. Ren, Geometrical optics approximation of forward scattering by coated particles. Appl. Opt. 43, 1870-1879, 2004.

Group Home Page
People in this Group
Group Projects

JPL Privacy Statement Sitemap Contact Site Manager
FIRST GOV NASA Home Page