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Patents
" Kinetic Analysis of Conically
Scanned Environmental Properties," T.D. Wilkerson, J.A. Sanders and
Ionio Q. Andrus, filed March 15, 2001, awarded March 18,
2003.U.S. Patent No.6,535,158,
" Methods and Systems for Collecting Data from Multiple Fields of
View," NASA Case No. GSC 14,240-1, Geary K. Schwemmer, filed June
28, 2000, Awarded Nov. 12, 2002. #US 6,479,808 B1. Download
pdf file
" Holographic Transmission Beam Director," T.D. Wilkerson and J.A. McKay, U.S. Patent No. 5,872,621, filed Sept 18, 1998, awarded Feb.
16, 1999.
" Lidar Atmospheric Wind Detector," T.D. Wilkerson and J.A.
McKay, U.S. Patent No. 5,796,471, filed Sept. 18, 1996, awarded Aug. 18,
1998.
" Conically Scanned Holographic Lidar Telescope," NASA Case
No. GSC 13,462-1, Geary K. Schwemmer, U.S. Patent No. 5,255,065, filed
March 6, 1992, awarded Oct 19, 1993.
Download
pdf file
" Lidar Atmospheric Wind Detector," T.D. Wilkerson and J.A.
McKay, U.S. Patent No. 5,796,471, filed Sept. 18, 1996, awarded Aug. 18,
1998.
Refereed Publications
Schwemmer, Geary K., Richard D. Rallison, Thomas D. Wilkerson, David
V. Guerra, "Holographic Optical Elements as Scanning Lidar Telescopes,"
Lasers and Optics in Engineering, Vol. 44, Issue 9, Sept. 2006, pp.
881-902.
Belay Demoz, Cyrille
Flamant, David Miller, Keith Evans, Frédéric Fabry, Paolo Di Girolamo,
David Whiteman1, Bart Geerts, Tammy Weckwerth, William Brown, Geary
Schwemmer, Bruce Gentry, Wayne Feltz, Zhien Wang, "The Dryline on 22 May
2002 During IHOP_2002: Convective Scale Measurements at the Profiling
Site, Part-I," Monthly Weather Review, 134, 294-310 (January 2006).
Berkoff, T. A., H.
Plotkin, D. N. Whiteman, G. Schwemmer, R. Rallison, L. Ramos-Izquierdo,
“Holographic Optical Element Raman Lidar,” Advances in Laser Remote
Sensing, Alain Dabas, Claude Loth and Jacques Pelon, Editors, pp.
77-80, Ecole Polytechnique, publisher, France, 2001. Schwemmer, Geary K., Wilkerson, Thomas D., Sanders, Jason A., Guerra, David V., Miller, David O., Moody, Stephen E.; “Ground
Based Operational Testing of Holographic Scanning Lidars,” Advances in Laser Remote Sensing, Alain Dabas, Claude Loth and Jacques Pelon, Editors, pp. 69-72, Ecole Polytechnique, publisher,
France, 2001. Guerra, D.V., Schwemmer, G.K., and Wilkerson, T.D.; "Holographic Optical Telescope and Scanner (HOTS) for lidar applications", SPIE's International Technical
Group Newsletter, Vol 11, No. 1, p 5, June 2000. Download
pdf file
Berkoff, T.A., D.N. Whiteman,
R.D. Rallison, G.K. Schwemmer, L. Ramos-Izquierido and H. Plotkin, 2000:
"Remote Detection of Raman Scattering by use of a Holograpic Optical Element as a Dispersive Telescope", Optics Letters, 25,
No. 6, pp. 1201-1203, 2000. Download
pdf file
Guerra, D., G. Schwemmer, A. Wooten, S. Chaudhuri, T. Wilkerson, 1999:
"Prototype Holographic Atmospheric Scanner for Environmental Remote
Sensing", Journal of Geophysical Research, 104, No.
D18, pp. 22,287 - 22,292, 1999. Download
pdf file
Conference Publications
“G. Schwemmer, D. O. Miller, T. D. Wilkerson,“HARLIE aerosol and cloud structure and wind observations during HARGLO and IHOP,” 6th International Symposium on Tropospheric Profiling:
Needs and Technologies, Leipzig, Germany, 1420 September 2003
C. Flamant, S. Koch, T. Weckwerth, J. Wilson, D. Parsons, B. Demoz, B. Gentry, D. Whiteman, G. Schwemmer, F. Fabry, W. Feltz, M. Pagowski, P. Di Girolamo,“The life
cycle of a bore event over the US Southern Great Plains during IHOP 2002,” 6th International Symposium on Tropospheric Profiling: Needs and Technologies, Leipzig, Germany, 1420 September
2003
B. Demoz, D. Miller, K. Evans, D. Whiteman, P. Di Girolamo, G. Schwemmer, B. Gentry, D. Starr, Z. Wang,“Moisture, wind, and boundary layer evolution during a dryline
in IHOP 2002: 22 May 2002,” 6th International Symposium on Tropospheric Profiling: Needs and Technologies, Leipzig, Germany, 1420 September 2003
Steven E. Koch, Mariusz Pagowski, Frederic Fabry, Wayne Feltz, Geary Schwemmer, Bart Geerts, Belay Demoz, Bruce Gentry, David Parsons, Tammy Weckwerth, and James
Wilson,“Structure and dynamics of a dual bore event during IHOP as revealed by remote sensing and numerical simulation,” 6th International Symposium on Tropospheric Profiling: Needs and
Technologies, Leipzig, Germany, 1420 September 2003
Cyrille N.
Flamant, Steven
E Koch, Frédéric Fabry, Tammy M. Weckwerth, James Wilson, David
Parsons, Wayne F. Feltz, Belay B. Demoz, Bruce Gentry, Geary Schwemmer,
and Mariusz Pagowski: "The Life Cycle of a Bore Event over the US
Southern Great Plains during IHOP_2002," AMS 10th Conference on Mesoscale Processes,
2327. June 2003, Portland, Oregon.
Bruce
Gentry, Geary Schwemmer, Matt McGill and Tom Wilkerson: “Prospects for An Airborne Technology Demonstration of the Molecular
Direct Detection Component of a Hybrid Doppler Lidar System,”, Presentation to
the Working Group on Spaced-based Lidar Winds, Oxnard, CA, 17-18
February 2003.
Geary.Schwemmer, Bruce Gentry and Tom Wilkerson, “HARGLO-3: Wind Intercomparisons during IHOP”, Presentation to the
Working Group on Spaced-based Lidar Winds, Oxnard, CA, 17-18
February 2003.
Geary Schwemmer, Bruce Gentry and Tom Wilkerson:
“HARGLO-2 Wind Intercomparisons”,
Presentation to the Working Group on Spaced-based Lidar
Winds, Oxnard, CA, 17-18 February 2003.
Geary
Schwemmer, Sangwoo Lee and Richard Rallison: “Ultraviolet
and Multiplexed HOEs: Current Performance and Future Prospects”, Presentation to the
Working Group on Spaced-based Lidar Winds, Oxnard, CA, 17-18
February 2003.
Belay
Demoz, Keith Evans, Paolo Di Girolamo, Zhein Wang, David Whiteman, Geary Schwemmer, Bruce Gentry,
David Miller and Stephen P Palm: "Lidar Measuremetns Of Wind, Moisture And Boundary Layer Evoloution
In A Dryline During Ihop2002.", AMS Annual Meeting, Long Beach,
CA., Feb. 2003. Download
pdf file
Thomas D. Wilkerson, Geary K. Schwemmer, and
Bruce M. Gentry: "Lidar Profiling of Aerosols, Clouds, and Winds by Doppler and
Non-Doppler Methods", AMOS Conference, Maui, HI, October 2002. Download
pdf file
David Miller,
Geary Schwemmer, Sangwoo Lee and Tom Wilkerson: "Overview of HARLIE Measurement Capabilities", presentation to the
Workshop on New Optical Remote Sensing Techniques For Air Quality
Compliance And Air Toxics Detection, USEPA, Research Triangle Park,
NC, 29-31 July 2002.
Geary K. Schwemmer, Thomas D. Wilkerson, David O. Miller, Ionio Andrus,
Bruce Gentry, Cameron Egbert, Mark Anderson and Sangwoo Lee: "HARLIE Wind Profile Measurements During HARGLO-2,"
Conway, NH, 15-18 July 2002.
Geary K. Schwemmer, Thomas D.
Wilkerson, David O. Miller, Ionio Andrus, Cameron Egbert, Mark Anderson and Sangwoo Lee: "HARLIE 3-D Aerosol Backscatter and Wind Profile Measurements
During Recent Field Experiments", 21st
International Laser Radar Conference, pp. 833-836, Quebec City, Canada, 8-12 July
2002.
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pdf file
David O. Miller, Geary K. Schwemmer and Sonia M. F. Garcia: "Preliminary Measurements of Aerosol Backscatter/Extinction
Ratios using HARLIE during HARGLO-2", 21st International Laser Radar Conference,
pp. 595-597, Quebec City, Canada, 8-12 July 2002.
Belay Demoz, Keith Evans, David
Whiteman, Geary Schwemmer, David Miller and Paolo DiGirolamo: "Lidar Observations of a Bore-Front Case: Water Vapor Mixing
Ratio and Aerosol Profiles", 21st
International Laser Radar Conference, pp. 527-530, Quebec City, Canada, 8-12 July
2002.
Stephen P.
Palm, David O. Miller, Geary K. Schwemmer, Belay Demoz, and Keith Evans: "Observed Correlation between Marine Atmospheric Boundary Layer
Integrated Backscatter and Surface Latent Heat Flux", 21st
International Laser Radar Conference, pp. 219-222, Quebec City, Canada, 8-12 July
2002.
Sangwoo Lee, David Miller and Geary Schwemmer: "Background Noise Reduction with a Fabry-Perot Etalon Filter
in the HARLIE System", 21st
International Laser Radar Conference, pp. 113-116, Quebec City, Canada, 8-12 July
2002. Download
pdf file
Geary
Schwemmer, Bruce Gentry, David
Miller, Huailin Chen, Sangwoo Lee, Thomas Wilkerson, Ionio Andrus,
Cameron Egbert and Mark Anderson, "HARGLO: Intercomparisons of HARLIE and GLOW
Lidar Wind Measurements," Presentation to the Working Group on
Spaced-based Lidar Winds, Key West, Florida, 23-25 Jan 2002.
Belay Demoz, David Miller, Eric Aligo, and Geary Schwemmer: "Application Of Harlie Measurements In
Mesoscale Studies: Measurements Of Aerosol Backscatter And Winds", Sixth
Symposium on Integrated Observing Systems, American Meteorological
Society, pp. 68-70, Orlando, FL, 14-17 Jan 2002.
T. D. Wilkerson, I. Q. Andrus, G. K.
Schwemmer and D.
O. Miller: “Horizontal Wind Measurements using the HARLIE
Holographic Lidar”, Proceedings of SPIE Vol.4484 Optical Remote Sensing for
Industry and Environment Monitoring II, San Diego, California, 30-31
July 2001, pp. 64-73.
G. K. Schwemmer, D. O. Miller, T. D.
Wilkerson and I. Q. Andrus: "Time Resolved 3-D mapping of atmospheric aerosols and clouds during
the recent ARM Water Vapor IOP”,
Proceedings of SPIE Vol.4484 Optical Remote
Sensing for Industry and Environment Monitoring II, San Diego,
California, 30-31 July 2.001, pp. 58-63 Download
pdf file.
Geary Schwemmer, David Miller,
Thomas Wilkerson, Ionio Andrus, Jason Sanders and David Guerra: “Harlie Winds
(Horizontal Wind Measurements Using
The Harlie Holographic Lidar)” ,
Presentation
to the Working Group on Spaced-based Lidar Winds, Frisco, Colorado,
25-27 July 2001.
Schwemmer, Geary, David O.
Miller, Thomas D. Wilkerson, Ionio Andrus and David V. Guerra, 2001:
"Large Aperture Scanning based on Holographic Elements", International
Geoscience and Remote Sensing Symposium, Sydney, Australia, July
9-13, 2001.
Download
pdf file.
Wilkerson, Thomas D., Jason A. Sanders, Ionio Q. Andrus, Geary K. Schwemmer, David O. Miller, David Guerra, Jeffrey Schnick and Stephen E. Moody, 2000: "The HOLO Series: Critical Ground Based
Demostrations of Holographic Scanning Lidars", SPIE's Lidar Remote Sensing for Industry and Environment Monitoring, Sendai, Japan, October 9-12, 2000. Download
pdf file.
Schwemmer, G., T. Wilkerson, J. Saunders, D. Guerra, D. Miller and S. Moody, 2000: "Ground Based Operational Testing of Holographic Scanning Lidars: The HOLO Experiments", Proceedings of
the 20th International Radar Conferance, July 10-14, 2000. Download
pdf file
Saunders, J., T. Wilkerson, G. Schwemmer, D. Miller, D. Guerra and S. Moody, 2000: "Comparisons of Two Lidar Methods of Wind Measurements by Cloud Tracking", Proceedings of the 20th
International Laser Radar Conference, July 10-14, 2000.
Miller, D., G. Schwemmer, J. Saunders, T. Wilkerson, D. Guerra and S. Moody, 2000: "Observations of Shear Induced Turbelence using HARLIE", Proceedings of the 20th International Laser Radar
Conference, July 10-14, 2000. Download
pdf file
Schwemmer, G.K., 1998b: "Design of an Airborne Scanning Lidar using a Holographic Optical Element", OSA 1998 Annual Meeting, Baltimore, Maryland, October 1998.
Schwemmer, G., T.
Wilkerson and D. Guerra, 1998: "Compact Scanning Lidar Systems Using Holographic Optics", SPIE Conf. Optical Remote Sensing for Industry and Environmental Monitoring, Bejing, China,
September 14-17, 1998.
Schwemmer, G.K., 1998a: "Holographic Airborne Rotating Lidar Instrument Eperiment", 19th International Laser Radar Conference, Annapolis, Maryland, July 6-10,
1998, NASA/CP-1998-207671/PT2, pp. 623-626. Download
pdf file
Guerra, D. V., A.D. Wooten, S.S. Chaudhuri and G.K. Schwemmer, 1998: "Operation of the Prototype Holographic Atmospheric Scanner for Environmental Remote Sensing (PHASERS)", 19th
International Laser Radar Conference, Annapolis, Maryland, July 6-10, 1998, NASA/CP-1998-207671/PT2, pp. 879-882.
Schwemmer, G.K., D.B. Coyle and D.V. Guerra, 1995: "Holographic, Solid State
Atmospheric Lidar", 'Proceedings of the International Conference on LASERS '95', December 4-8, 1995, Charleston, SC, 714-717.
Schwemmer, Geary K. and
Thomas Wilkerson, 1994: "Development of a Holographic Telescope for Optical Remote Sensing", Proceedings, SPIE, Vol. 2270, pp. 40-47.
Schwemmer, Geary K. and Thomas D. Wilkerson, 1992b:
"Scanning Holographic Lidar Telescope", Proceedings International Conference on Lasers '92', Houston, Texas, December 7-10, 1992, STS Press, McLean, VA, pp. 562-565.
Schwemmer, Geary K.
and Thomas D. Wilkerson, 1992a: "Conically Scanned Lidar Telescope Using Holographic Optical Elements", 16th International Laser Radar Conference, NASA Conference Publication 3158, pp.
521-524.
Schwemmer, Geary K. and Thomas D. Wilkerson, 1991: "Holographic Optical Elements as Conically Scanned Lidar Telescopes", Technical Digest on Optical Remote Sensing of the
Atmosphere, Optical Society of America, Washington, D.C., Vol. 18, pp. 310-312.
Reports
"NASA
lidar uses HOEs for lightweight scanning", Geary Schwemmer, David
Miller, Thomas Wilkerson, David Guerra, and Richard Rallison, Laser
Focus World, 38, No. 6, pp. 141
“Shared-Aperture
Multiplexed Holographic Scanning Telescopes”, Geary Karl Schwemmer, Photonics
Tech Briefs, Vol. 25. No. 7, p. 18a, July 2001.
"Shared Aperture Multiplexed Holographic Scanning Telescopes", NASA Tech Briefs, GSC-14240.
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pdf file
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