Category Archives: Uncategorized

DOE Early Career Award

We have been awarded an early career grant from the Department of Energy, Basic Energy Sciences. A writeup by the University appears here: http://sb.cc.stonybrook.edu/news/general/2016-05-04-thomas-allison.php  

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First paper is published.

Our first paper has now been published, and can be found here: http://dx.doi.org/10.1364/OPTICA.3.000311

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Melanie gets job.

Our first group member, Melanie Reber, has accepted an assistant professor position at University of Georgia in Athens, GA. There, she will start her own research group pursuing  ultrafast optical spectroscopy of gas-phase molecular systems. Congratulations to Melanie!

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Hui Li joins group

Hui Li, a Masters student in the Physics department, has joined our group. He is working on mid-IR frequency combs and ultra-sensitive time-resolved spectroscopy in the mid-IR.

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First Paper

After a nearly three year period building unique instrumentation, our first paper is submitted. The paper is available on the arXiv pre-print server here: http://arxiv.org/abs/1511.02973

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One Cavity is good… Two Cavities is better

We have recently added an enhancement cavity to the pump beam of our cavity-enhanced spectroscopy experiment, allowing us to excite the molecules about 100x more and realizing the full potential of CETAS.

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First Light!

After a long build, high harmonics are being generated. Without much optimization yet, we are recording about 40 nA of photocurrent from a stainless steel plate and the signal goes away upon insertion of a LiF window, meaning the photon … Continue reading

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Beamline Connected

We have now assembled the last part of the beamline connecting the surface science chamber to the HHG source. Pictures are graduate students Peng Zhao and Xinlong Li and postdoc Chris Corder. Now, just add photons…. coming soon!

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Mono Chamber Installed!

Today we installed the chamber for our time preserving monochromator. The beamline is taking form!

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HHG Chamber Pumping Down!

After a lengthy construction period, we are getting ready to make some high order harmonics! The turbo is spinning and the chamber is pumping!

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