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Allison Group Re-united
It has been a long brutal year, but things are starting to get a little bit more normal. We were actually all in the same place together today for the first time in over a year to take the group … Continue reading
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Grzegorz wins Marie Skłodowskiej-Curie Fellowship
Postdoc Grzegorz has been awarded a Marie Skłodowskiej-Curie fellowship from the European Commission. Congratulations! A press release can be found HERE. The Stony Brook CE-TAS spectrometer is in the Polish news!
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HHG in PPLN waveguides
While non-perturbative high harmonic generation (HHG) has been a hot topic for decades, cascaded HHG is also a very rich problem and can have much higher efficiency. In collaboration with the Diddams group at NIST, we’ve investigated frequency comb generation … Continue reading
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Broadband cavity-enhanced ultrafast spectroscopy
After getting all the systematics under control, we have written a paper on our broadband cavity-enhanced transient absorption spectrometer. This takes CE-TAS from a one-of demonstration to a real chemical physics tool. The paper is available on the arXiv here: … Continue reading
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Grzegorz Returns
Grzegorz Kowzan has returned to our group now as a postdoc after completing is Ph. D. in Toruń. Welcome back!
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Graduate Student Positions Available
With recent/upcoming graduations, we have several projects available for graduate students to do research in the Allison lab. Please contact Tom Allison if interested.
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Research Continues During the Pandemic
Usually, we update the group photo every Spring. Due to the COVID-19 pandemic, we now all work remotely. So our latest group photo is a screenshot of a Zoom meeting… All are doing OK so far, with many projects to … Continue reading
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New Postdocs
Two new postdocs have joined our effort. Sergey Chernov comes from Mainz with extensive experience in ARPES and time-of-flight momentum microscopy. Alice Kunin comes from Berkeley with experience in ultrafast optics and time-resolved photoelelectron spectroscopy. Both have hit the ground … Continue reading
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Widely tunable cavity-enhanced frequency combs
One of the Allison lab core competencies has been resonantly enhancing frequency combs in high-finesse optical cavities. In a paper posted to the arXiv here, we have extended this technology to a widely tunable platform for the first time. This … Continue reading
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High-power mid-IR comb
We posted a new paper about our high-power mid-IR comb development.
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