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. 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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Dr. Predrag Ranitovic |
JILA, University of Colorado at Boulder and NIST
Office:
Office Phone:
Lab: C1B15
Lab Phone: 303-735-1594
Fax: 303-492-5235
Email: predragr@jila.colorado.edu
Curriculum Vitae
Short Biography: |
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Dr. Stefan Mathias |
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:smathias@jila.colorado.edu
Curriculum Vitae
Short Biography: Dr. Mathias obtained a PhD in Physics from the University of
Kaiserslautern (Aeschlimann research group), Germany in July 2008. His
focus of research are investigations of ultrafast phenomena on
surfaces. This includes the combination of ultrashort femtosecond laser
systems with surface science technology in order to develp new methods
for measuring ultrafast relaxation processes in real time with high
temporal resolution. In spring 2009 Dr. Mathias spent a semester
lecturing Solid State Physics and Mathematical Physics at the
University Kigali Institute of Science and Technology, KIST, in Rwanda,
Africa. He joined the Kapteyn-Murnane group in July 2009 and is
currently working on ultrafast magnetization and surface dynamics using
X-ray pump-probe spectroscopy techniques. |
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Dr. 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://sites.google.com/site/zhouxibin/
Curriculum Vitae
Short Biography: Dr. Xibin Zhou joined the KM group as a graduate student in May
2004, and earned his Ph.D. from the University of Colorado in May 2009.
His thesis work focused on high-order harmonics generation in
rotationally and vibrationally excited molecules. Currently he works on
soft X-ray driven molecular dynamics with coincidence momentum imaging
techniques. He is also interested in generation and characterization of
ultrashort laser pulses at different spectrum region based on four-wave
mixing in hollow waveguide. He is from the east coast of China and
received his B.S. degree in Physics from University of Science and
Technology of China (USTC) in 2003. |
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Ph.D. Students
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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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Robynne Lock |
JILA, University of Colorado at Boulder and NIST
Office:
Office Phone:
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:
Office Phone:
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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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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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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Craig Hogle |
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:craig.hogle@colorado.edu
Curriculum Vitae
Short Biography:
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Michael Gerrity |
JILA, University of Colorado at Boulder and NIST
Office:
Office Phone:
Lab: B1B15
Lab Phone: 303-492-7762
Fax: 303-492-5235
Email:Michael.Gerrity@colorado.edu
Curriculum Vitae
Short Biography: Michael graduated from the University of Texas at Austin in 2007 with a B.S. in Physics where he worked in Todd Ditmire's group on the Texas Petawatt laser. He joined the KM group in January of 2008 and works on scaling high harmonic sources to higher photon energies. In his free time he spends a lot of time in the mountains around Boulder.
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Paul Arpin |
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:paul.arpin@colorado.edu
Curriculum Vitae
Short Biography:
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Daniel Hickstein |
JILA, University of Colorado at Boulder and NIST
Office: S195
Office Phone: 303-735-4528
Lab: B1B31
Lab Phone: 303-492-7766
Fax: 303-492-5235
Email:daniel.hickstein@colorado.edu
Curriculum Vitae
Short Biography: Daniel Hickstein graduated with a BA in Chemistry from Pomona College
(Claremont, California) in 2007. He earned a masters in Physics from
the University of Cambridge (UK) in 2008 doing crystallography research
with Dr. Jacqueline Cole. He started his PhD in the Chemistry
department at the University of Colorado in the fall of 2008 and joined
the Kapteyn Murnane group that winter. He grew up in Seattle,
Washington and Bethesda, Maryland. When he's not at work in the lab he
enjoys rock climbing, mountain biking, skiing, and hiking.
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Adra (Tory) Carr |
JILA, University of Colorado at Boulder and NIST
Office:
Office Phone:
Lab:
Lab Phone:
Fax: 303-492-5235
Email:adra.carr@colorado.edu
Curriculum Vitae
Short Biography: Tory received her BS in Physics from the University of Arizona in 2007. Originally choosing to study Astronomy, she found herself enjoying Physics more and decided to pursue it as her PhD. Tory joined the group in 2009 and is working on surface spectroscopy experiments. In her free time she enjoys rock climbing, being out on the water, and getting lost in the woods.
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Betsy Hall |
JILA, University of Colorado at Boulder and NIST
Office:
Office Phone:
Lab: B1B15
Lab Phone: 303-492-7762
Fax: 303-492-5235
Email:betsy.hall@colorado.edu
Curriculum Vitae
Short Biography: Betsy Hall graduated from Austin Peay State University in May 2008
receiving her B.S. in Physics. During her undergraduate career she
participated in several NSF funded undergraduate research experiences
at Cornell University, the Center for Research and Education in Optics
and Lasers (CREOL), and at NASA's Jet Propulsion Laboratories. She was
very excited to join the Kapteyn-Murnane group in January 2009. When
not playing with lasers, Betsy does her best to make the most of living
in beautiful sunshine-filled Boulder!
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Kathy Hoogeboom-Pot |
JILA, University of Colorado at Boulder and NIST
Office: S155
Office Phone:
Lab: C1B15
Lab Phone: 303-735-1594
Fax: 303-492-5235
Email:hoogeboo@colorado.edu
Curriculum Vitae
Short Biography: Kathy graduated with a BS in Physics in 2008 from Calvin College in Grand Rapids, MI. As an undergrad she conducted research on the photoassociation of laser-cooled atomic krypton, the spin periods of Trojan asteroids and the dynamics of asteroids in the main belt. She spent about eight months in domestic disaster relief along the U.S. Gulf Coast, surveying and rebuilding hurricane-damaged homes, before joining the KM group in the summer of 2009. In her spare time Kathy enjoys hiking and backpacking, biking, reading and generally being outside; and she misses sailing on Lake Michigan.
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Undergraduate and High School Students
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Carson Teale |
JILA, University of Colorado at Boulder and NIST
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Dominique Gaudyn |
JILA, University of Colorado at Boulder and NIST
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Research Assistant
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Kim Reid |
JILA, University of Colorado at Boulder and NIST
Office:
Office Phone: 303-492-6763
Fax: 303-492-5235
Email: kreid@jila.colorado.edu
Curriculum Vitae
Short Biography: Kim earned her M.A. from The George Washington University in Washington, DC a long time ago. She joined the Kapteyn-Murnane Group in 2008. |
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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