Xinzhao Chu

Xinzhao Chu
Associate Professor
Aerospace Engineering Sciences
University of Colorado
Boulder, CO 80309-0429
Phone: (303) 735-1008, (303) 492-3280
Xinzhao.Chu@colorado.edu

 

Focus Area

Remote Sensing, Earth, & Space Sciences

Education

Ph.D., Physics and Electrical Engineering, Peking University, Beijing, 1996
B.S., Physics and Electrical Engineering, Peking University, Beijing, 1991

Professional Experience

2007-Present, Associate Professor, Aerospace Engineering Sciences, University of Colorado
2005-2007, Assistant Professor, Aerospace Engineering Sciences, University of Colorado
2005-Present, Fellow, Cooperative Institute for Research in Environmental Sciences, University of Colorado
2005, Visiting Scientist, Arecibo Observatory, National Astronomy and Ionosphere Center
1997-2005, Research Scientist, Electrical & Computer Engineering, University of Illinois
1996-1997, Visiting Scientist, Physics, Johannes Gutenberg University of Mainz, Germany

Awards (selected)

Major Research Instrumentation (MRI) Award, National Science Foundation (NSF) (2007)
Faculty Early Career Development (CAREER) Award, National Science Foundation (2007)
Director, Consortium Technology Center for NSF Lidar Consortium of Resonance and Rayleigh Lidars (2006-Present)
Antarctica Service Medal of the United States of America, National Science Foundation (NSF) (2001)
NSF recognition of the completion of a successful season at Amundsen-Scott South Pole Station, Antarctica (2000,2001)
NASA recognition of valuable contribution to the success of the 1998 Leonid Meteor Encounter Multi-Instrument Airborne Science Mission(1998)

Research Interests

Lidar remote sensing instrumentation and applications on various platforms; Atmospheric and space sciences; Atomic, molecular, and laser physics and spectroscopy; Photonics, optoelectronics, and quantum electronics; Atmospheric remote sensing using lidar, radar, and satellite techniques

Publications (selected)   (most recent)

Chu, X., W. Huang, W. Fong, Z. Yu, Z. Wang, J. A. Smith, and C. S. Gardner, First lidar observations of polar mesospheric clouds and Fe temperatures at McMurdo (77.8°S, 166.7°E), Antarctica, Geophysical Research Letters, 38, doi:10.1029/2011GL048373, 2011.

Gardner, C. S., X. Chu, P. J. Espy, J. M. C. Plane, D. R. Marsh, and D. Janches, Seasonal variations of mesospheric Fe layers at Rothera, Antarctica (67.5°S, 68.0°W), Journal of Geophysical Research - Atmosphere, 116, D02304, doi:10.1029/2010JD014655, 2011.

Chu, X., W. Huang, J. P. Thayer, Z. Wang, and J. A. Smith, Progress in MRI Fe-Resonance/Rayleigh/Mie Doppler Lidar, Proceeding of the 25th International Laser Radar Conference, pp. 947-950, St. Petersburg, Russia, 4-9 July 2010.

Chu, X. and W. Huang, Fe Doppler-Free Spectroscopy and Optical Heterodyne Detection for Accurate Frequency Control of Fe-Resonance Doppler Lidar, Proceeding of the 25th International Laser Radar Conference, pp. 969-972, St. Petersburg, Russia, 4-9 July 2010 – won the 25th ILRC Best Poster Paper Award.

Wang, Z., Z. Liu, L. Liu, S. Wu, B. Liu, Z. Li, and X. Chu, Iodine-filter-based mobile Doppler lidar to make continuous and full-azimuth-scanned wind measurements: Data acquisition and analysis system, data retrieval methods, and error analysis, Applied Optics, 49(36), 6960-6978, 2010.

Yamashita, C., H.-L. Liu, and X. Chu, Gravity wave variations during the 2009 stratospheric sudden warming as revealed by ECMWF-T799 and observations, Geophysical Research Letters, 37, L22806, doi:10.1029/2010GL045437, 2010.

Chu, X., C. Yamashita, P. J. Espy, G. J. Nott, E. J. Jensen, H.-L. Liu, W. Huang, and J. P. Thayer, Responses of polar mesospheric cloud brightness to stratospheric gravity waves at the South Pole and Rothera, Antarctica, Journal of Atmospheric and Solar-Terrestrial Physics, 71, 434-445, 2009.

Yamashita, C., X. Chu, H.-L. Liu, P. J. Espy, G. J. Nott, and W. Huang, Stratospheric gravity wave characteristics and seasonal variations observed by lidar at the South Pole and Rothera, Antarctica, Journal of Geophysical Research, 114, D12101, doi:10.1029/2008JD011472, 2009.

Huang, W., X. Chu, J. Wiig, B. Tan, C. Yamashita, T. Yuan, J. Yue, S. D. Harrell, C.-Y. She, B. P. Williams, J. S. Friedman, and R. M. Hardesty, First field demonstration of simultaneous wind and temperature measurements from 5 to 50 km with a Na double-edge magneto-optic filter in a multi-frequency Doppler lidar, Optics Letters, 34(10), 1552-1554, 2009.

Smith, J. A., X. Chu, W. Huang, J. Wiig, and A. T. Brown, LabVIEW-based laser frequency stabilization system with phase sensitive detection servo loop for Doppler lidar application, Optical Engineering, 47(11), 114201, 2008.

Friedman, J. S., and X. Chu, Nocturnal temperature structure in the mesopause region over the Arecibo Observatory (18.35°N, 66.75°W): Seasonal variations, Journal of Geophysical Research, 112, D14107, doi:10.1029/2006JD008220, 2007.

Chu, X., P. Espy, G. Nott, J. Diettrich, and C. S. Gardner, Polar mesospheric clouds observed by an iron Boltzmann lidar at Rothera (67.5°S, 68.0°W), Antarctica from 2002-2005: properties and implications, Journal of Geophysical Research, 111, D20213, doi: 10.1029/2006JD007086, 2006.

Stevens, M. H., R. R. Meier, X. Chu, M. T. DeLand, and J. M. C. Plane, Antarctic mesospheric clouds formed from space shuttle exhaust, Geophysical Research Letters, 32, L13810, doi:10.1029/2005GL023054, 2005.

Chu, X., C. S. Gardner, and S. J. Franke, Nocturnal thermal structure of the MLT region at Maui, HI (20.7°N) and Starfire Optical Range, NM (35°N), Journal of Geophysical Research, 110, D09S03, doi:10.1029/2004JD004891, 2005.

Chu, X., and G. C. Papen, Resonance Fluorescence Lidar for Measurements of the Middle and Upper Atmosphere, in the book of Laser Remote Sensing, edited by T. Fujii and T. Fukuchi, published by CRC Press, Taylor & Francis Group, ISBN: 0-8247-4256-7, page 179-432, 2005.

Plane, J. M. C., B. J. Murray, X. Chu, and C. S. Gardner, Removal of meteoric iron on polar mesospheric clouds, Science, 304, 426-428, 2004.

Chu, X., C. S. Gardner, and R. G. Roble, Lidar studies of interannual, seasonal and diurnal variations of polar mesospheric clouds at the South Pole, Journal of Geophysical Research, 108 (D8), 8447, doi: 10.1029/2002JD002524, 2003.

Chu, X., W. Pan, G. Papen, C. S. Gardner, and J. Gelbwachs, Fe Boltzmann temperature lidar: Design, error analysis, and initial results at the North and South Poles, Applied Optics, 41 (21), 4400-4410, 2002.

Chu, X., C. S. Gardner, and G. Papen, Lidar observations of polar mesospheric clouds at South Pole: Diurnal variations, Geophysical Research Letters, 28, 1937-1940, 2001.

Gardner, C. S., G. C. Papen, X. Chu, and W. Pan, First lidar observations of middle atmosphere temperatures, Fe densities, and polar mesospheric clouds over the North and South poles, Geophysical Research Letters, 28, 1199-1202, 2001.

Chu, X., W. Pan, G. Papen, C. S. Gardner, G. Swenson, and P. Jenniskens, Characteristics of Fe ablation trails observed during the 1998 Leonid meteor shower, Geophysical Research Letters, 27, 1807-1810, 2000a.

Chu, X., A. Z. Liu, G. Papen, C. S. Gardner, M. Kelley, J. Drummond, and R. Fugate, Lidar observations of elevated temperatures in bright chemiluminescent meteor trails during the 1998 Leonid shower, Geophysical Research Letters, 27, 1815-1818, 2000b.

 

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