Approaches to Rydberg spatial distribution measurement Graham Lochead 24/01/11.
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Approaches to Rydberg spatial distribution measurement Graham Lochead 24/01/11
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Transcript of Approaches to Rydberg spatial distribution measurement Graham Lochead 24/01/11.
Autoionization
• Allows independent Rydberg excitation and investigation
• Ion detection is very sensitive
5s2 5s5p 5sns(d) 5pns(d) 5s1/2+
Graham Lochead 25/10/10
Progress towards experiment
Translation stage testing
Lens design and testing
Incorporation with main LabVIEW program
Laser locking
Graham Lochead 25/10/10
Rest of the optical layout
Raithel’s approach
Laser pulses
Fieldionization
10 micron waist forexcitation pulse
58 x magnification Leads to ~2 micronresolution at MOT
http://cold-atoms.physics.lsa.umich.edu/projects/tip/
Auto-correlation
Cross-correlation of a signal with itself
Continuous
Discrete1 = correlated 0 = un-correlated -1 = anti-correlated