Degrees

B. Sc. (Honours First Class), Physics, University of New South Wales, 1994
M. A., Astrophysics, University of California, Berkeley, 2000
Ph. D., Astrophysics, University of California, Berkeley, 2002

Professional Experience

Assistant Professor, Cornell University, 2004 - present

Robert A. Millikan Postdoctoral Scholar in Experimental Physics,
California Institute of Technology, 2002--2004

University of California at Berkeley, Graduate Student Researcher, 1997--2002
Graduate Student Instructor, Fall 1997, Fall 1998

University of Chicago, Dept of Astronomy and Astrophysics, Research Specialist, 1994--1997
Winterover Scientist, South Pole Station, Antarctica, Jan 1995--Nov 1996

Tutor, Australian International Physics Olympiad Team, Warsaw 1989

Director, Envision Concepts Pty Ltd Computer Graphics, 1992-1994

Director, Image Mechanics Pty Ltd Creative Design, 1990-1994

Honors

United States Navy Antarctica Service Medal and Winterover Bar, 1995
United States Navy Antarctica Service Medal and Gold Winterover Bar, 1996
Young Australian of the Year Awards, ACTEW Science and Technology Award Finalist, 1996
Fulbright Postgraduate Scholar Award, 1997
SPIE/Irving J. Spiro Scholarship in Optical Science and Engineering, 2001
Robert A. Millikan Postdoctoral Scholar in Experimental Physics, 2002

Professional Memberships

American Astronomical Society
Society of Photo-optical Instrumentation Engineers
300 Club

Professional Service

Proposal Reviewer for NASA APRA, Origins and TPF programs and NSF ATI program
Co-chair CfAO workshop on AO System Performance, Calibration and Characterisation
Referee for Optical Engineering, Publications of the Astronomical Society of Australia, Astrophysical Journal Letters
Working group for HST Cycle 12 comparison of Ground Based Adaptive Optics and HST/NICMOS

Publications

``A Radio Telescope for Undergraduate Teaching'', J. W. V. Storey and J. P. Lloyd. Proceedings of the Astronomical Society of Australia, 10:225--+, 1993.

``Breakdown of ergodic behavior in the Lorentz gas'', J. Lloyd, L. Rondoni, and G. P. Morriss.Phys Rev. E., 50:3416--3421, November 1994.

``21-cm line of atomic Hydrogen'', J. W. V. Storey, J. W. V. Storey, M. C. B. Ashley, M. Naray, and J. P. Lloyd, American Journal of Physics, 62:1077--1081, December 1994.

``The nonequilibrium Lorentz gas'', J. Lloyd, M. Niemeyer, L. Rondoni, and G. P. Morriss. Chaos, 5:536--551, September 1995.

``Near-infrared sky brightness monitor for the South Pole'', M. C. Ashley, M. G. Burton, J. P. Lloyd, and J. W. Storey, In Proc. SPIE Vol. 2552, p. 33-43, Infrared Technology XXI, Bjorn F. Andresen; Marija S. Scholl; Eds., pages 33--43, September 1995.

``Remote control of astronomical instruments via the Internet'', M. C. B. Ashley, P. W. Brooks, and J. P. Lloyd Publications of the Astronomical Society of Australia, 13:17--21, January 1996.

``A Hartmann differential image motion monitor (H-DIMM) for atmospheric turbulence characterisation'', J. Bally, D. Theil, Y. Billawalla, D. Potter, R. F. Loewenstein, F. Mrozek, and J. P. Lloyd. Publications of the Astronomical Society of Australia, 13:22--27, January 1996.

``South Pole Observations of the Near-Infrared Sky Brightness'', M. C. B. Ashley, M. G. Burton, J. W. V. Storey, J. P. Lloyd, J. Bally, J. Briggs, and D. A. Harper, PASP, 108:721--+, August 1996.

``Near-Infrared Halo Emission in the Edge-on Spiral Galaxy ESO 240-G11'', B. J. Rauscher, J. P. Lloyd, D. Barnaby, D. A. Harper, M. Hereld, R. F. Loewenstein, S. A. Severson, and F. Mrozek. ApJ, 506:116--124, October 1998.

``Light emission during fracture of a Zr-Ti-Ni-Cu-Be bulk metallic glass'', C. J. Gilbert, J. W. Ager, V. Schroeder, R. O. Ritchie, J. P. Lloyd, and J. R. Graham, Applied Physics Letters, 74:3809--3811, June 1999.

``The Near-Infrared Sky Emission at the South Pole in Winter'', A. Phillips, M. G. Burton, M. C. B. Ashley, J. W. V. Storey, J. P. Lloyd, D. A. Harper, and J. Bally, ApJ, 527:1009-1022, December 1999.

``IRCAL: the infrared camera for adaptive optics at Lick Observatory'', J. P. Lloyd, M. C. Liu, B. A. Macintosh, S. A. Severson, W. T. Deich, and J. R. Graham In Proc. SPIE Vol. 4008, p. 814-821, Optical and IR Telescope Instrumentation and Detectors, Masanori Iye; Alan F. Moorwood; Eds., pages 814-821, August 2000.

``Two Substellar Companions Orbiting HD 168443'', G. W. Marcy, R. P. Butler, S. S. Vogt, M. C. Liu, G. Laughlin, K. Apps, J. R. Graham, J. Lloyd, K. L. Luhman, and R. Jayawardhana, ApJ, 555:418--425, July 2001.

``Astronomical Coronagraphy with High Order Adaptive Optics'', J. P. Lloyd, J. R. Graham, P. Kalas, B. R. Oppenheimer, A. Sivaramakrishnan, R. B. Makidon, B. A. Macintosh, C. E. Max, P. Baudoz, J. R. Kuhn, and D. Potter, In Proc. SPIE Vol. 4490, p. 290-297, Multifrequency Electronic/Photonic Devices and Systems for Dual-Use Applications, Andrew R. Pirich Paul L. Repak; Paul S. Idell; Stanley R. Czyzak; Eds., pages 290--297, December 2001.

``The Potential of Differential Astrometric Interferometry from the High Antarctic Plateau'', J. P. Lloyd, B. R. Oppenheimer, and J. R. Graham, Publications of the Astronomical Society of Australia, 19:318-322, 2002.

``Science with laser guide stars at Lick Observatory'', D. T. Gavel, C. E. Max, S. S. Olivier, B. J. Bauman, D. M. Pennington, B. A. Macintosh, J. Patience, C. G. Brown, P. M. Danforth, R. L. Hurd, E. L. Gates, S. A. Severson, and J. P. Lloyd. In Proc. SPIE Vol. 4494, p. 336-342, Adaptive Optics Systems and Technology II, Robert K. Tyson; Domenico Bonaccini; Michael C. Roggemann; Eds., pages 336--342, February 2002.

``Discovery of Reflection Nebulosity around Five Vega-like Stars'', P. Kalas, J. R. Graham, S. V. W. Beckwith, D. C. Jewitt, and J. P. Lloyd. ApJ, 567:999-1012, March 2002.

``Crossing the Brown Dwarf Desert Using Adaptive Optics: A Very Close L Dwarf Companion to the Nearby Solar Analog HR 7672'', M. C. Liu, D. A. Fischer, J. R. Graham, J. P. Lloyd, G. W. Marcy, and R. P. Butler, ApJ, 571:519--527, May 2002.

``Characterizing the Adaptive Optics Off-Axis Point-Spread Function. I. A Semiempirical Method for Use in Natural Guide Star Observations'', E. Steinbring, S. M. Faber, S. Hinkley, B. A. Macintosh, D. Gavel, E. L. Gates, J. C. Christou, M. Le Louarn, L. M. Raschke,
Graham, J. P. Lloyd,, PASP,114:1267-1280, November 2002.

``Observations of Quasar Hosts with Adaptive Optics at Lick Observatory'', M. Lacy, E. L. Gates, S. E. Ridgway, W. de Vries, G. Canalizo, J. P. Lloyd, and J. R. Graham. AJ, 124:3023--3030, December 2002.

``Stellar Companions to Stars with Planets'', J. Patience, R. J. White, A. M. Ghez, C. McCabe, I. S. McLean, J. E. Larkin, L. Prato, S. S. Kim, J. P. Lloyd, M. C. Liu, J. R. Graham, B. A. Macintosh, D. T. Gavel, C. E. Max, B. J. Bauman, S. S. Olivier, P. Wizinowich, and D. S. Acton.
ApJ, 581:654--665, December 2002.

``Speckle Decorrelation and Dynamic Range in Speckle Noise-limited Imaging'', A. Sivaramakrishnan, J. P. Lloyd, P. E. Hodge, and B. A. Macintosh. ApJL, 581:L59--L62, December 2002.

``Recent science and engineering results with the laser guidestar adaptive optic system at Lick Observatory'', D. T. Gavel, E. L. Gates, C. E. Max, S. S. Olivier, B. J. Bauman, D. M. Pennington, B. A. Macintosh, J. Patience, C. G. Brown, P. M. Danforth, R. L. Hurd, S. A. Severson, and J. P. Lloyd. In Adaptive Optical System Technologies II. Edited by Wizinowich, Peter L.; Bonaccini, Domenico. Proceedings of the SPIE, Volume
4839, pp. 354-359 (2003)., pages 354--359, February 2003.

``The adaptive optics point-spread function at moderate and high Strehl ratios'', A. Sivaramakrishnan, P. E. Hodge, R. B. Makidon, M. D. Perrin, J. P. Lloyd, E. E. Bloemhof, and B. R. Oppenheimer. In High-Contrast Imaging for Exo-Planet Detection. Edited by Alfred B. Schultz. Proceedings of the SPIE, Volume 4860, pp. 161-170 (2003)., pages 161--170, February 2003.

``Four-quadrant phase mask coronagraph: analytical calculation and pupil geometry'', J. P. Lloyd, D. T. Gavel, J. R. Graham, P. E. Hodge,
A. Sivaramakrishnan, and G. M. Voit. In High-Contrast Imaging for Exo-Planet Detection. Edited by Alfred B. Schultz. Proceedings of the SPIE, Volume 4860, pp. 171-181 (2003)., pages 171--181, February 2003.

``Near-Infrared Extinction and Photometric Stability During the South Pole Winter'', D. Barnaby, D. A. Harper, R. F. Loewenstein, F. Mrozek, M. Thoma, J. P. Lloyd, B. J. Rauscher and M. Hereld, submitted to AJ

``Extrasolar Planet Science with the Antarctic Planet Interferometer'', J. P. Lloyd, B. F. Lane, M. R. Swain, J. W. V. Storey, T. Travouillon, W. A. Traub, and C. K Walker, in Techniques and Instrumentation for Detection of Exoplanets, proc. SPIE 5170, in press

``Tip-Tilt Error in Lyot Coronagraphs'', J. P. Lloyd, and A. Sivaramakrishnan, A., ApJL submitted

``Sodium Laser Guide Star Adaptive Optics Imaging Polarimetry of Herbig Ae/Be Stars'', M. D. Perrin, J. R. Graham, P. Kalas, J. P. Lloyd, C. E. Max, D. T. Gavel, D. Pennington, E. L. Gates, Science submitted

Abstracts and Conference Proceedings

``Lorentz Gas: Periodic Orbit Expansions, Partitions, and Ergodicity'', L. Rondoni, J. P. Lloyd, G. P. Morriss, M. Niemeyer, and
E. G. D. Cohen. In Proceedings of the International Conference on Dynamical Systems and Chaos, pages 434-437, 1995.

``South Pole Near Infrared Astronomy: Site Characteristics and Deep Spiral Galaxy Imaging'', B. J. Rauscher, D. Barnaby, D. A. Harper, M. Hereld, J. P. Lloyd, R. F. Loewenstein, S. A. Severson, and F. Mrozek. In Extragalactic Astronomy in the Infrared, pages 551-+, 1997.

``The South Pole Observatory Exhibits Photometric Conditions in the Near-infrared'', D. Barnaby, R. F. Loewenstein, D. A. Harper, J. P. Lloyd,
B. J. Rauscher, M. Hereld, S. A. Severson, and F. Mrozek American Astronomical Society Meeting, 191, December 1997.

``Astronomical Seeing at the South Pole'', R. F. Loewenstein, C. Bero, J. P. Lloyd, F. Mrozek, J. Bally, and D. Theil. In ASP Conf. Ser. 141: Astrophysics From Antarctica, pages 296-+, 1998.

``The First Light of the World's First Silicon Grisms'', J. Ge, D. Ciarlo, P. Kuzmenko, B. Macintosh, C. Alcock, K. Cook, D. Gavel, C. Max, J. Lloyd, J. Graham, M. Liu, and S. Severson. American Astronomical Society Meeting, 195, December 1999.

``An Adaptive Optics Survey for Companions to Stars with Extra-Solar Planets'', J. P. Lloyd, M. C. Liu, J. R. Graham, M. Enoch,
P. Kalas, G. W. Marcy, D. Fischer, J. Patience, B. A Macintosh, D. T. Gavel, S. S. Olivier, C. E. Max, R. White, A. M. Ghez, and
I. S. McLean. In IAU Symposium 202: Planetary Systemsin the Universe, Edited by A. Penny, P. Artymowicz, A.-M. Lagrange,
and S. Russell.; ASP Conference Series in press, 2000.

``High spectral and spatial resolution spectroscopy of YSOs with a silicon grism and adaptive optics'', J. Ge, J. P. Lloyd, D. Gavel, B. Macintosh, C. E. Max, D. Ciarlo, P. Kuzmenko, and J. R. Graham. American Astronomical Society Meeting, 197, December 2000.

``Adaptive Optics Observations of Radial Velocity Planetary Systems'', J. P. Lloyd, M. C. Liu, J. R. Graham, D. Fischer, and G. W. Marcy. American Astronomical Society Meeting, 197, December 2000.

``Coronagraphy with the AEOS High Order Adaptive Optics System'', J. P. Lloyd, J. R. Graham, P. Kalas, B. R. Oppenheimer, A. Sivaramakrishnan, R. B. Makidon, B. A. Macintosh, C. E. Max, P. Baudoz, J. R. Kuhn, and D. Potter, American Astronomical Society Meeting, 198, May 2001.

``Limits on Lyot coronagraphy with AEOS adaptive optics telescope'', A. Sivaramakrishnan, R. B. Makidon, J. P. Lloyd, B. R. Oppenheimer, J. R. Graham, P. G. Kalas, B. A. Macintosh, C. E. Max, P. Baudoz, J. Kuhn, and D. Potter, American Astronomical Society Meeting, 198 May 2001.

``Astronomical Coronagraphy with the AEOS Adaptive Optics System'', J. P. Lloyd, J. R. Graham, P. Kalas, B. R. Oppenheimer, A. Sivaramakrishnan, R. Makidon, B. Macintosh, C. E. Max, P. Baudoz, J. Kuhn, and D. Potter. In Proceedings of the AMOS Technical Conference, September 2001.

``Lick Adaptive Optics Companion Search around Nearby Solar-type Stars'', J. P. Lloyd, M. C. Liu, D. Fischer, J. R. Graham, and G. W. Marcy, American Astronomical Society Meeting, 199, December 2001.

``Testing the Vega-Phenomenon: New reflection nebulosities around six debris-disk stars'', P. Kalas, J. R. Graham, S. V. W. Beckwith, D. C. Jewitt, and J. P. Lloyd, American Astronomical Society Meeting, 199, December 2001.

``Design and Calibration of a Near IR Adaptive Optics Imaging Polarimeter for Lick Observatory'', M. Perrin, J. Lloyd, P. Kalas, and J. R. Graham, American Astronomical Society Meeting, 201, December 2002.

``Extreme Adaptive Optics Planet Imager'', B. Macintosh, J. R. Graham, A. Ghez, P. Kalas, J. Lloyd, R. Makidon, S. Olivier, J. Patience, M. Perrin, L. Poyneer, S. Severson, A. Sheinis, A. Sivaramakrishnan, M. Troy, J. Wallace, and J. Wilhelmsen, American Astronomical Society Meeting, 201, December 2002.

``Experimental design for the eXtreme Adaptive Optics Planet Imager (XAOPI)'', J. R. Graham, B. Macintosh, A. Ghez, P. Kalas, J. Lloyd, R. Makidon, S. Olivier, J. Patience, M. Perrin, L. Poyneer, S. Severson, A. Sheinis, A. Sivaramakrishnan, M. Troy, J. Wallace, and J. Wilhelmsen. American Astronomical Society Meeting, 201, December 2002

``The Antarctic Planet Interferometer'', M. R. Swain, C. K. Walker, J. W. Storey, W. A. Traub, and J. P. Lloyd.Astronomy in Antarctica, 25th meeting of the IAU, Special Session 2, 18 July, 2003 in Sydney, Australia, 2, 2003.

``Astrometry with the Antarctic Planet Interferometer'', J. P. Lloyd, J. W. Storey, M. R. Swain, W. A. Traub, and C. K. Walker. Astronomy in Antarctica, 25th meeting of the IAU, Special Session 2, 18 July, 2003 in Sydney, Australia, 2, 2003.

``Adaptive Optics and Interferometry on the Antarctic Plateau'', J. P. Lloyd, in Visions for Antarctic Astronomy, 2003

``The Lyot Project:Toward Exoplanet Images and Spectroscopy'', James P. Lloyd,Ben R. Oppenheimer, Andrew P. Digby, Laura Newburgh, Douglas Brenner, Michael Shara, James R. Graham, Paul Kalas, Marshall Perrin, Anand Sivaramakrishnan, Russell Makidon, Jeff Kuhn, Katie Whitman, Lewis C. Roberts, Jr., in Towards other Earths: DARWIN/TPF and the search for extrasolar terrestrial planets, Heidelberg, April 2003

``Direct detection of extrasolar planets with the eXtreme Adaptive Optics Planet Imager'' B. A. Macintosh, J. R. Graham, G. Duchene, S. Jones, P. Kalas, J. Lloyd, R. B. Makidon, S. Olivier, D. Palmer, M. Perrin, L. Poyneer, A. Sheinis, A. Sivaramakrishnan, S. Severson, G. Sommargren, M. Troy, and J. K. Wallace. AAS/Division for Planetary Sciences Meeting, 35:0--+, May 2003.

``The unique Antarctic atmosphere: implications for adaptive optics'', J. S. Lawrence, M. C. B. Ashley, M. G. Burton, J. P. Lloyd and J. W. V. Storey, Science with Adaptive Optics, Garching, 2003

``The Lyot Project: Status and Deployment Plans'', Ben R. Oppenheimer, Andrew P. Digby, Laura Newburgh, Douglas Brenner, Michael Shara,
Russell B. Makidon, Anand Sivaramakrishnan, Remi Soummer, James R. Graham, Paul Kalas, Marshall Perrin, Lewis C. Roberts, Jr., Jeff Kuhn, Kathryn Whitman, James P. Lloyd, In Proceedings of the AMOS Technical Conference, September 2003

``Precision Imaging with Adaptive Optics Aperture Masking Interferometry'' James P. Lloyd, Peter G. Tuthill, Theo ten Brummelaar, In Proceedings of the AMOS Technical Conference, September 2003

Other Publications

``Domains of Observability in the Near-Infrared with HST/NICMOS and Adaptive Optics Augmented Large Ground-Based Telescope'', Summary study solicited by STScI in preparation for HST Cycle 12, Glenn Schneider, December 2002

``Using the ICOM R-7000 Receiver as a Spectrum Analyser'', J. P. Lloyd and J. W. V. Storey.Silicon Chip Magazine, April 1994.