Jake Koralek, SLAC/LCLS

4001 (050)



LBNL Bldg 50 Auditorium

Generation of ultrathin free-flowing liquid sheets

The physics and chemistry of liquid solutions play a central role in science, and our understanding of life on Earth. Unfortunately, key tools for interrogating aqueous systems, such as infrared and soft X-ray spectroscopy, cannot readily be applied because of strong absorption in water. In this talk I will present a microfluidic device that uses gas-dynamic forces to generate free-flowing, sub-micron, liquid sheets which are two orders of magnitude thinner than anything previously reported. These sheets can run in vacuum, and are tunable in thickness from over 1 μm down to less than 20 nm, which corresponds to fewer than 100 water molecules thick. At this thickness, aqueous sheets can readily transmit photons across the spectrum, leading to potentially transformative applications in infrared, X-ray, and electron spectroscopies.

Short Bio

Jake Koralek:

2014-present: Staff Scientist in the Soft X-Ray Department at the Linac Coherent Light Source, SLAC National Accelerator Laboratory.

2011-2014: Project Scientist in Materials Science Division, Lawrence Berkeley National Lab. Working with Bob Schoenlein and Joe Orenstein studying emergent properties in quantum materials.

2006-2011: Postoc with Joe Orenstein. Materials Science Division, Lawrence Berkeley National Lab. Discovery of the persistent spin helix in GaAs quantum wells.

2006: PhD in Physics. University of Colorado, Boulder. Advisor Dan Dessau. First demonstration of laser-based angle-resolved photoemission spectroscopy (ARPES).

1999: BS in Physics from College of Creative Studies, University of California Santa Barbara.

1994: Palo Alto High School.

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