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News

Ball Plasma Publication!
Submitted December 18, 2014 - 3:17 PM
Scott Dubowsky has published a paper in the International Journal of Mass Spectrometry.

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McCall Group at the 69th International Symposium on Molecular Spectroscopy
Submitted May 19, 2014 - 4:43 PM
Six members of the McCall group will be presenting talks at the International Symposium on Molecular Spectroscopy

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Congratulations to Susanna Widicus Weaver
Submitted May 19, 2014 - 11:25 AM
Susanna has been awarded a tenured faculty position at Emory University. We wish her continued success with her research.
Kyle Crabtree Accepts Position at UC Davis!
Submitted May 19, 2014 - 11:23 AM
Congratulations to Kyle Crabtree who has accepted a position as an assitant professor in the Chemistry Department at the University of California-Davis in Davis, CA.
David Friday Receives a Masters Degree
Submitted March 19, 2014 - 11:14 AM
David Friday has completed his work in the McCall group, earning a Masters degree. We wish him all the best as he returns to the Air Force.
Four New Graduate Students
Submitted November 19, 2013 - 11:26 AM
This fall, Courtney Talicska and Nicole Koeppen from physical chemistry, and Charles Markus and Scott Dubowsky from analytical chemistry joined the McCall Lab. We look forward to their contributions to the group!
Plasma Balls in the News!
Submitted August 19, 2013 - 11:18 AM
David Friday's work on plasma balls has been featured by the BBC.
McCall named Alumni Research Scholar
Submitted May 14, 2013 - 11:05 AM
The Department of Chemistry recently named Ben McCall an Alumni Research Scholar.

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Jessica Pearson Awarded NSF Fellowship
Submitted April 8, 2013 - 4:08 PM
Congratulations to Jessica Pearson for winning an NSF Graduate Research Fellowship, which will support her work for 3 years!
Dr. Brian Siller
Submitted February 27, 2013 - 3:14 PM
Brian Siller recently defended his PhD thesis! He has accepted a Research Scientist position at Tiger Optics, a company that specializes in making continuous wave cavity ringdown spectrometers for quantitative trace gas detection. He will be working both on improving the performance of their current instruments and early-stage development of some completely new ones.
McCall named Chair of ISMS!
Submitted February 27, 2013 - 11:59 AM
Ben McCall was recently named Chair of the International Symposium on Molecular Spectroscopy. Additionally, after 68 years of being hosted at Ohio State University, the Symposium will be moving to the University of Illinois at Urbana-Champaign.
Jacob Stewart accepts postdoc at Emory
Submitted February 21, 2013 - 2:23 PM
Jacob Stewart has accepted a postdoctoral position at Emory University in Atlanta, Georgia. He will help with teaching the undergraduate physical chemistry lab classes there and performing research with Michael Heaven, starting in July. Congratulations, Jacob!
McCall elected APS Fellow
Submitted November 15, 2012 - 11:37 AM
Ben McCall has been elected a Fellow of the American Physical Society. For more details, see this news story.
Sub-Doppler Mid-Infrared Spectroscopy of Molecular Ions
Submitted October 23, 2012 - 11:06 AM
As just reported in a cover article in Chemical Physics Letters, the McCall group has now implemented the first versatile technique for high-precision spectroscopy of molecular ions in the mid-infrared. This exciting result will have many applications in supporting astronomical observations, among other areas.
NICE-OHMS in Mid-Infrared
Submitted October 23, 2012 - 11:04 AM
In recent papers in Optics Letters and Chemical Physics Letters, the McCall group has demonstrated the first two widely-tunable implementations of the ultra-sensitive NICE-OHMS technique in the mid-infrared region.
Dr. Kreckel receives ERC Starting Grant
Submitted July 16, 2012 - 10:44 AM
Holger Kreckel has received a ~1.5M Euro starting grant from the European Research Council!

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Record-Breaking Spectroscopy!
Submitted July 13, 2012 - 11:08 AM
A letter describing our QCL spectroscopy of pyrene, the largest molecule ever studied with rotationally-resolved absorption spectroscopy, is now in press in Journal of Physical Chemistry Letters.
Mike Porambo Awarded NASA Fellowship
Submitted May 21, 2012 - 12:43 PM
Congratulations to Mike Porambo for receiving a prestigious NASA Earth and Space Science Fellowship, which will support him for up to 3 years!
Kyle Crabtree Awarded CfA Fellowship
Submitted May 21, 2012 - 12:28 PM
Congratulations to Kyle Crabtree for receiving a postdoctoral fellowship from the Harvard-Smithsonian Center for Astrophysics (CfA)!
Colonel Brian Tom!
Submitted January 31, 2012 - 3:45 PM
Brian Tom (PhD 2009), now on the faculty at the US Air Force Academy, just learned he will be promoted to Colonel! Congratulations!
Dr. Joshua P. DiGangi
Submitted December 21, 2011 - 11:33 AM
Josh DiGangi, an undergrad from our lab, received his PhD from the Keutsch lab at the University of Wisconsin!
Dr. Andrew A. Mills
Submitted December 20, 2011 - 1:17 PM
Andrew Mills received his PhD this past weekend for his work on the SCRIBES instrument. He has taken a position at IMRA, a laser company in Ann Arbor, Michigan. We wish him the best!
Two New Graduate Students
Submitted December 20, 2011 - 1:15 PM
Last month, Jessica Pearson (from Notre Dame) and Adam Perry (from Oregon State) joined the McCall Lab. We look forward to their contributions to the group!
McCall named University Scholar!
Submitted September 16, 2011 - 1:02 PM
Ben McCall is one of six faculty on the Urbana campus to be recognized this year as a University Scholar. See this press release for more information.
Award-winning talk!
Submitted July 8, 2011 - 4:54 PM
Congratulations to Brian Siller for winning the "Outstanding Presentation Award" for his talk at the recent Cavity Enhanced Spectroscopy User Meeting!
Professor Manori Perera!
Submitted June 15, 2011 - 6:24 PM
Manori Perera is joining the faculty of Illinois Wesleyan University!

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Dr. Brian Brumfield
Submitted June 15, 2011 - 4:51 PM
Brian Brumfield recently defended his PhD thesis!

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Dr. Nick Indriolo
Submitted June 15, 2011 - 4:31 PM
Nick Indriolo recently defended his PhD thesis!

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Kyle Crabtree awarded NASA Earth and Space Science Fellowship
Submitted May 19, 2011 - 5:46 PM
The fellowship provides funding for Kyle for up to 3 years. Congratulations!
Carrie Kauffman Graduates with M.S.
Submitted May 3, 2011 - 5:01 PM
Carrie Kauffman has graduated with a Master's degree and is moving on to a position at Battelle in Maryland.

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James Hodges and Brett McGuire Receive NSF Fellowship
Submitted April 5, 2011 - 12:57 PM
James Hodges and Brett McGuire (a recent alum of the McCall group currently at Emory University) have been awarded the National Science Foundation Graduate Research Fellowship
First Signal Detected in Ion Beam
Submitted March 22, 2011 - 12:04 PM
The McCall group is pleased to announce the first detection of a spectroscopic signal in our fast ion beam instrument.

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Quantum cascade laser paper one of Review of Scientific Instruments' monthly top 20 most-downloaded articles last year
Submitted March 11, 2011 - 2:36 PM
The paper, by Brian Brumfield, Jacob Stewart, Ben McCall and collaborators at Princeton University details our work in creating a quantum cascade laser-based cavity ringdown spectrometer

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McCall named Petit Scholar
Submitted January 12, 2011 - 1:04 PM
Ben McCall has been named a 2011-2012 Helen Corley Petit Scholar by the College of Liberal Arts and Sciences, in recognition of the "extraordinary record" of scholarship and teaching by McCall and the group.
"Precision cavity enhanced velocity modulation spectroscopy" featured on cover of Chemical Physics Letters
Submitted December 17, 2010 - 2:17 PM
Our most recent article by Andrew Mills, Brian Siller, and Ben McCall is the cover article for the December 6th issue of CPL

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McCall Group at the 65th Ohio State University International Symposium on Molecular Spectroscopy
Submitted June 14, 2010 - 2:15 PM
Seven members of the McCall group will be presenting talks at the International Symposium on Molecular Spectroscopy

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Lauren Moore Graduates
Submitted May 14, 2010 - 3:20 PM
Lauren Moore has received her degree in Chemistry from the University of Illinois, and is leaving the group to take a research chemist position with Celanese in Pasadena, TX. Congratulations Lauren, and good luck!
High Precision Frequency Measurement
Submitted March 2, 2010 - 1:29 PM
This week, we made the first high-precision frequency measurement of our Titanium:Sapphire laser (325,144,828.1 ± 0.1 MHz) using our optical frequency comb. This breakthrough paves the way for highly precise and accurate infrared spectroscopy!
McCall Group at MWAM09
Submitted November 3, 2009 - 11:10 AM
Several members of the McCall group will be giving presentations at the 2009 Midwest Astrochemistry Meeting at the University of Illinois on November 6-7, 2009.

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Brian Tom Receives a PhD
Submitted September 29, 2009 - 8:10 AM
Brian Tom has completed his work here in the McCall group, earning a PhD. He is now working at the Air Force Academy in Colorado Springs, CO as a chemistry professor.

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Algernon Gorman Award
Submitted September 4, 2009 - 9:55 PM
Kyle Crabtree received the Algernon Gorman Award for Outstanding Analytical Chemistry Literature Seminar for the 2008-2009 academic year.
Brett McGuire and Tom Wood leaving the McCall Group
Submitted July 2, 2009 - 4:51 PM
Brett McGuire and Tom Wood have graduated and are moving on to graduate school. Brett will be attending Emory University in Atlanta and Tom will be attending the University of Iowa.
New Group Members
Submitted June 16, 2009 - 8:59 PM
The McCall Group welcomes Mike Porambo and Jamie Hodges, both of whom will be spending the summer with us.

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McCall Group at the 64th Ohio State University International Symposium on Molecular Spectroscopy
Submitted June 16, 2009 - 6:42 AM
Eight members of the McCall research group will be presenting talks at the International Symposium on Molecular Spectroscopy, featuring Ben's talk as winner of the 2009 Coblentz award.

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DFG Mk II: First Light
Submitted May 20, 2009 - 2:34 PM
Kyle Crabtree and Carrie Kauffman obtained first light from the second difference frequency generation (DFG) laser system in our lab! This DFG is made from a Nd:YVO4 laser at 532 nm and a tunable dye laser.
Sloan Fellowship
Submitted February 17, 2009 - 2:11 PM
Ben McCall has received a 2009 Sloan Research Fellowship from the Alfred P. Sloan Foundation.
Signal Observed in Hollow Cathode
Submitted February 11, 2009 - 6:58 PM
Team Hydrogen has seen the first absorption signal from H3+ in our recently-constructed hollow cathode cell!
Parahydrogen Paper Published in RSI
Submitted January 30, 2009 - 12:49 PM
Brian Tom's paper on the preparation and characterization of parahydrogen has been published in the Review of Scientific Instruments.
New Research Scientist
Submitted January 17, 2009 - 8:00 AM
Dr. Holger Kreckel has joined the McCall group as a Research Scientist. He will be contributing to the development of the ion beam for the SCRIBES project.
DR Paper Published in JCP
Submitted January 16, 2009 - 4:55 PM
Brian Tom's paper on the dissociative recombination of para-H3+ and ortho-H3+ has been published in the Journal of Chemical Physics.
Source Characterization
Submitted January 15, 2009 - 10:34 AM
Kyle Crabtree and Carrie Kauffman observed the first signal from the LIF spectrometer being built for characterizing the supersonic expansion discharge source.
New Postdoc
Submitted November 17, 2008 - 8:12 AM
Dr. Manori Perera has joined the McCall group as a Postdoctoral Research Associate. Dr. Perera will be working on the SCRIBES experiment, especially heading up the development of our mass spectrometer.
2009 Coblentz Award
Submitted October 30, 2008 - 4:21 PM
Ben McCall has been selected as the recipient of the 2009 Coblentz Award, which will be presented at the 2009 International Symposium on Molecular Spectroscopy!
New Group Members
Submitted October 27, 2008 - 9:33 AM
Carrie Kauffman and Jacob Stewart, first year graduate students in physical chemistry, have joined the McCall group. We look forward to their contributions to the group!