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PRODID:UW-Madison-Physics-Events
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SEQUENCE:0
UID:UW-Physics-Event-2665
DTSTART:20121204T170000Z
DURATION:PT1H0M0S
DTSTAMP:20260412T041520Z
LAST-MODIFIED:20121128T145621Z
LOCATION:5280 Chamberlin
SUMMARY:Towards Precision Spectroscopy of Single Trapped Molecular Ion
 s  \, Atomic Physics Seminar\, Brian Odom\, Northwestern University
DESCRIPTION:Precision of the best molecular spectroscopy is currently 
 orders of magnitude behind atomic ion spectroscopy\, owing primarily t
 o challenges in molecular state preparation and readout.  Applications
  of improved molecular spectroscopy would include searches for time-va
 riation of fundamental constants\, parity violation studies\, and sear
 ches for fundamental electric dipole moments. Our group at Northwester
 n University is developing the necessary tools to perform clock-qualit
 y spectroscopy on single trapped molecular ions.  We are currently wor
 king with species having semi-closed electronic cycling transitions\, 
 so that optical pumping into the rotational ground state can be achiev
 ed by pulse-shaping of a resonant femtosecond laser.  I will also desc
 ribe a simple readout technique we are developing to map the internal 
 molecular state onto a co-trapped atomic ion\, using a pulsed radiatio
 n pressure force to excite secular motion.   
URL:https://www.physics.wisc.edu/events/?id=2665
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