Interrogating Molecules.
Science 322, 1207 (2008)
Harnessing Attosecond Science in the Quest for Coherent X-rays.
Science 317, 775 (2007)

Group Leaders
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Prof. Henry Kapteyn |
JILA, University of Colorado at Boulder and NIST
Office: A703
Office Phone: 303-492-8198
Fax: 303-492-5235
Email: kapteyn@jila.colorado.edu
Curriculum Vitae
Short Biography: Dr. Henry C. Kapteyn (download vita) has been a Professor at the Department of Physics and a Fellow of JILA, at the University of Colorado since 1999. Previously, he was an Associate Professor in the Electrical Engineering and Computer Science (EECS) Department at the University of Michigan, and an Assistant and then Associate Professor of Physics at Washington State University. He received his Ph.D. in Physics from the University of California at Berkeley in 1989, in the field of x-ray and short-wavelength laser physics. His work at WSU, done in collaboration with Prof. Margaret Murnane, resulted in the development of a new generation of lasers which make it straightforward to produce light pulse of less than ten femtoseconds duration. At Michigan, he continued this research in demonstrating novel techniques for generation short-duration light pulses in the deep-ultraviolet and soft x-ray regions of the spectrum.This work opens a new region of the electromagnetic spectrum to
fundamental studies using coherent ultrashort light pulses. He is
currently applying this technology to studies of dynamic processes in
atomic, molecular, and materials systems, as well as for technological
applications such as nanoscale-resolution imaging. This work has
resulted in a number of advances in fundmental science, including the first demonstration of coherent manipulation of atoms
on the attosecond time scales, and the first studies of "radiation femtochemistry" where the dynamics of a molecular exposed to ionizing radiation were for the first time followed in real-time. Prof. Kapteyn has received a number of awards including the National Science Foundation Young Investigator award in 1992, the Optical Society of America's Adolph Lomb Medal in 1993, and as co-recipient with Prof. Margaret Murnane of the 2009 Ahmed Zewail Award in Ultrafast Science and Technology of the American Chemical Society. Prof. Kapteyn is a Fellow of the Optical Society of America (OSA), the American Physical Society (APS), and the American Association for the Advancement of Science (AAAS). |
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Prof. Margaret Murnane (University Distinguished Professor) |
JILA, University of Colorado at Boulder and NIST
Office: A704
Office Phone: 303-492-7839
Fax: 303-492-5235
Email: murnane@jila.colorado.edu
Curriculum Vitae
Short Biography: Dr. Margaret Murnane (download vita) is a Fellow at JILA and a member of the Department of Physics and Electrical and Computer Engineering at the University of Colorado. She received her B.S and M.S. degrees from University College Cork, Ireland, and her Ph.D. degree in physics from the University of California at Berkeley in 1989, and joined the faculty of physics at Washington State University in 1990. In 1996, Professor Murnane moved to the University of Michigan, and in 1999 she moved to the University of Colorado. She runs a joint research group and a small laser company with her husband, Prof. Henry Kapteyn. Prof. Murnane's research interests have been in ultrafast optical and x-ray science. Prof. Murnane is a Fellow of the American Physical Society and the Optical Society of America. In 1997 she was awarded the Maria Goeppert-Mayer Award of the American Physical Society, in 2000 she was named a John D. and Catherine T. MacArthur Fellow, in 2004 she was elected to the National Academy of Sciences, and in 2006 she was elected a Fellow of the American Academy of Arts and Sciences. |
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Postdoctoral Researchers
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Dr. Wen Li |
JILA, University of Colorado at Boulder and NIST
Office: S166
Office Phone: 303-492-2942
Lab: C1B15
Lab Phone: 303-735-1594
Fax: 303-492-5235
Email: wli@jila.colorado.edu
Curriculum Vitae
Short Biography: Dr. Wen Li was born in Yongjia, a small town in Zhejiang province of China. He graduated with honor as a B.S. from Beijing University, China. In May of 2006, he received his Ph. D. degree of chemistry from Stony Brook University. In his Ph. D. research, he studied the reaction dynamics of photon-matter and matter-matter interactions using high resolution velocity mapping technique. He joined KM group in Aug. 2006 and is currently working on ultrafast molecular dynamics probed with high harmonic generation (HHG) and cold target recoil ion momentum spectroscopy (COLTRIMS). |
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Dr. Alon Bahabad |
JILA, University of Colorado at Boulder and NIST
Office: S166
Office Phone: 303-492-2942
Fax: 303-492-5235
Email: alonb@jila.colorado.edu
Curriculum Vitae
Short Biography Dr. Alon Bahabad spent his childhood years in Nazareth Ilit, a modern-day twin city to the historic Nazareth which some of its timeless landmarks influenced him deeply (like the ancient market and hummus abu-murad). He got his B.Sc from the Technion in 1996. Due to some sensitive involvement his following six years are somewhat obscured and will not be disclosed without the involvement of a very generous sum. In 2003 and 2007 he got his M.Sc and PhD respectively for studying the role quasi-periodic order can play for the purpose of quasi-phase-matching of nonlinear optical processes. After which he vowed to only be involved in the future with projects containing "quasi" a prime number of times. On the eve of 2008 he joined the KM group where he currently studies theoretical and experimental aspects of high harmonic generation. In his spare time he is involved with Epsilon Gamma Delta -- a semi-secret society vowed to eradicate the use of Greek letters from science.
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Ph.D. Students
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Isabell Thomann |
JILA, University of Colorado at Boulder and NIST
Office: S166
Office Phone: 303-492-2942
Lab: C1B15
Lab Phone: 303-735-1594
Fax: 303-492-5235
Email: isabell.thomann@colorado.edu
Curriculum Vitae
Short Biography: Isabell Thomann is a graduate student from Speyer, Germany. She studied in Kaiserslautern, Germany, and Zurich, Switzerland, where she received her diploma in physics in 2001. After working as a research assistant at NIST on a Cr:Forsterite laser for absolute frequency measurements in the telecommunications region, she joined the KM group in 2003. Her current interest is the phase-stabilization of high-power fs pulses for the generation of as pulses. She very much enjoys the beautiful mountains and the wildlife around Boulder. |
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Daisy Raymondson |
JILA, University of Colorado at Boulder and NIST
Office: A309
Office Phone: 303-492-7803
Lab B1B19
Lab Phone: 303-492-7764
Fax: 303-492-5235
Email: daisy.raymondson@colorado.edu
Curriculum Vitae
Short Biography: Daisy received her B.S. in physics and mathematics from UC Davis in 2001.
She worked as a research assistant with the quantum information group at Los Alamos
National Laboratory for one year and joined the KM group in the fall of 2002. She is
currently working on EUV imaging techniques with Ariel Paul and Richard Sandberg, and
building a high-repetition-rate laser amplifier. In her spare time Daisy enjoys fighting
crime on the streets under cover of darkness. |
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Tenio Popmintchev |
JILA, University of Colorado at Boulder and NIST
Office: S168
Office Phone: 303-735-4528
Lab: B1B15
Lab Phone: 303-492-7873
Cell Phone: 303-859-3925
Fax: 303-492-5235
Email: popmintchev@jila.colorado.edu
Web page: http://jilawww.colorado.edu/~popmintc
Curriculum Vitae
Short Biography: Tenio graduated with Ms.S. in physics, specialization laser physics and quantum electronics, from University of Sofia, Bulgaria in 2002. He is currently working on increasing the flux of high harmonic generation from ions in plasma waveguide using all-optical quasi-phase matching techniques, as well as, on extending the phase matching of high harmonic generation to extremely high photon energies using mid-infrared driving light. |
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Luis Miaja-Avila |
JILA, University of Colorado at Boulder and NIST
Office: S168
Office Phone: 303-735-4528
Lab: B1B19
Lab Phone: 303-492-7764
Fax: 303-492-5235
Email: miajaavi@colorado.edu
Curriculum Vitae
Short Biography: Luis graduated form ITESM (Monterrey Institute of Technology), Monterrey, Mexico in 2002 with a degree in Engineering Physics. He joined the KM group in the summer of 2003. Currently Luis is working with Tim Lei studying molecular dynamics on metal surfaces. |
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Mark Siemens |
JILA, University of Colorado at Boulder and NIST
Office: S155
Office Phone: 303-492-1638
Lab: B1B19
Lab Phone: 303-492-7764
Fax: 303-492-5235
Email: siemens@jila.colorado.edu
Curriculum Vitae
Short Biography: Mark graduated from the Colorado School of Mines in 2003 with a B.S. in Engineering Physics. He started graduate school at CU and joined the KM group in 2003 as well. He enjoys watching Denver Broncos games and MacGyver reruns. |
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Xibin Zhou |
JILA, University of Colorado at Boulder and NIST
Office: S168
Office Phone: 303-735-4528
Lab: B1B31
Lab Phone: 303-492-7766
Fax: 303-492-5235
Email: xibin.zhou@colorado.edu
Web page: http://zhouxibin.googlepages.com/
Curriculum Vitae
Short Biography: Xibin Zhou joined the KM group as a graduate student in May 2004. He is from the east coast of China and received his B.S. degree in Physics from Universtiy of Science and Technology of China (USTC) in 2003. Now he is working on the generating, shaping and measuring of ultrashort laser pulses. |
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Robynne Lock |
JILA, University of Colorado at Boulder and NIST
Office:
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Lab: B1B31
Lab Phone: 303-492-7766
Fax: 303-492-5235
Email: robynne.hooper@colorado.edu
Curriculum Vitae
Short Biography: Robynne graduated from the University of Texas at Austin in 2005 receiving a BS in physics. As an undergraduate she studied stimulated Raman scattering in hydrogen. She joined the KM group in 2006. |
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Qing Li |
JILA, University of Colorado at Boulder and NIST
Office: S168
Office Phone: 303-735-4528
Lab: B1B19
Lab Phone: 303-492-7764
Fax: 303-492-5235
Email: qing.li@colorado.edu
Curriculum Vitae
Short Biography: Qing received her B.S. in physics from USTC (University of Science and Technology of China), China in 2005. She joined the KM group in the summer of 2006. Qing enjoys this peaceful and beautiful city of Boulder. |
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Chan La-o-vorakiat |
JILA, University of Colorado at Boulder and NIST
Office:
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Lab: B1B19
Lab Phone: 303-492-7764
Fax: 303-492-5235
Email: chan.la-o-vorakiat@colorado.edu
Curriculum Vitae
Short Biography: Chan La-o-vorakiat was born in Thailand, which is the same country in which he received
the B.S. in physics from Mahidol University, Bangkok.
He started the grad student life in spring 2007 and have been in the group since the
summer of 2007. |
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Jing Yin |
JILA, University of Colorado at Boulder and NIST
Office: S168
Office Phone: 303-735-4528
Lab: B1B19
Lab Phone: 303-492-7764
Fax: 303-492-5235
Email: jing.yin@colorado.edu
Curriculum Vitae
Short Biography: Jing Yin is a graduate from Hefei, China. She got her B.S. from USTC
(Univ. of Sci.&Tech. of China, an unforgettable place) in 2006, and joined the KM group in
the summer of 2007. Jing is very happy to enjoy the beautiful science as well as the
beautiful mountains in Boulder. |
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Ming-Chang Chen |
JILA, University of Colorado at Boulder and NIST
Office: S168
Office Phone: 303-735-4528
Lab: B1B15
Lab Phone: 303-492-7873
Cell Phone: 720-341-6046
Fax: 303-492-5235
Email: mingchang@jila.colorado.edu
Curriculum Vitae
Short Biography: Ming-Chan received his B.S. in Physics from NTHU (National Tsing Hua University, Taiwan) and his M.S. in Electro-Optical Engineering from NCTU (National Chiao Tung University). He joined the KM group as a Ph.D graduate student in 2007. He is interested in pulse measuring, shaping and high harmonic generation from ions in capillary discharge using all-optical phase matching techniques. He is from a very warm and humid city, Kaohsiung, Taiwan. The weather there is totally different from Boulder. |
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Bosheng Zhang |
JILA, University of Colorado at Boulder and NIST
Lab: B1B15
Lab Phone: 303-492-7873
Fax: 303-492-5235
Email: bosheng.zhang@colorado.edu
Curriculum Vitae
Short Biography: Bosheng grew up in Weifang (near the east coast in Shandong Province),
China. He received his B.S. in Physics from USTC (University of
Science and Technology of China) in 2007, and spent one year in
University of Arizona before transferring to CU. He began working in
KM group in the summer of 2008. He likes Boulder. He is fascinated
with research on ultrafast optics.
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Ethan Townsend |
JILA, University of Colorado at Boulder and NIST
Lab: B1B19
Lab Phone: 303-492-7764
Fax: 303-492-5235
Email: ethan.townsend@colorado.edu
Curriculum Vitae
Short Biography: Ethan grew up in beautiful Ashland Oregon, graduated from Stanford University
in 2007 with a BS in physics and an MS in Mechanical Engineering. His
current research focuses on EUV imaging and, when he's not in front of a
computer or in a basement with lasers, he likes to be out enjoying the
mountains of Boulder.
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Matt Seaberg |
JILA, University of Colorado at Boulder and NIST
Office: S168
Office Phone: 303-735-4528
Lab: B1B19
Lab Phone: 303-492-7764
Fax: 303-492-5235
Email:matthew.seaberg@colorado.edu
Curriculum Vitae
Short Biography: Matt graduated from Bethel University in St. Paul, Minnesota in 2003 with a B.S. in physics. He joined the KM group in the summer of 2007 and is currently working on EUV imaging. In his spare time he enjoys ping-pong, Boulder community softball, and skiing.
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Undergraduate and High School Students
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Scott Hoch |
JILA, University of Colorado at Boulder and NIST
Lab: B1B19
Lab Phone: 303-492-7764
Fax: 303-492-5235
Email: scott.hoch@colorado.edu
Curriculum Vitae
Short Biography: Scott Hoch is an undergraduate student, Engineering Physics major. He
has been with the KM group since June 2007. At work he is interested in
education outreach and cutting edge optical physics research. Outside
of the laboratory he enjoys skateboarding, traveling and playing music. |
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Emily Gregonis |
JILA, University of Colorado at Boulder and NIST
Lab: C1B15
Lab Phone: 303-735-1594
Fax: 303-492-5235
Email:
Curriculum Vitae
Short Biography: Emily Gregonis has been working with the KM group as an undergraduate research
assistant since September 2006. She is currently studying physics and
linguistics at CU. In her free time she enjoys road cycling, reading, and
hiking, along with playing rugby on the CU women's club team. |
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The prospects for coherent sources at very
short wavelengths - even possibly in the hard-x-ray
region of the spectrum - have brightened with the ability
to manipulate electron dynamics on attosecond time scales.
Nature Physics 3, 270 (2007); LFW, May 2007
The attosecond recollision of an
electron plucked from a molecule during
the process of high harmonic generation can be
used as a very sensitive probe of intramolecular dynamics.
PNAS 103, 13279 (2006); OPN, Dec. 2006
Probing Molecular Break Ups.
Science 317, 1374 (2007);
Nature Photonics, Vol. 1, pp609 (2007)
Extending attosecond science to surfaces.
PRL 97, 113604 (2006);
PRF, Sept. 2006; OPN, Dec. 2006
Generating coherent, ultrafast, x-ray
beams for applications in science and technology.
OPN, Nov. 2006
Generating high harmonics from ions
in a capillary discharge plasma waveguide.
PRL 96, 203001 (2006); OPN, Dec. 2006
Our group developed the first cryogenically-cooled Ti:sapphire
amplifier designs. Cryo-cooling of the crystal extends high-power
ultrafast pulses to very high repetition rates, for application
experiments in imaging and materials and chemical spectroscopy.
LFW, Oct. 2005