Title :
Near-field optical detection of atoms with high sensitivity and high spatial resolution
Author :
Ito, H. ; Totsuka, K. ; Kawamura, T. ; Yatsui, T. ; Ohtsu, M.
Author_Institution :
Interdisciplinary Graduate Sch. of Sci. & Eng., Tokyo Inst. of Technol., Yokohama, Japan
Abstract :
We describe an atom detector with two-color optical near fields designed for deflection experiments. The sensitivity is estimated to be about 10% for both photoionization and resonant excitation schemes using a slit-type probe.
Keywords :
fluorescence; particle optics; photoexcitation; photoionisation; rubidium; Rb; Rb atoms; atom detector; deflection experiments; fluorescence intensity; high sensitivity; high spatial resolution; near-field optical detection; photoionization; resonant excitation schemes; sensitivity; slit-type probe; two-color optical near fields; Atom optics; Atomic beams; Ionization; Laser beams; Laser excitation; Optical detectors; Optical sensors; Probes; Resonance; Spatial resolution;
Conference_Titel :
Lasers and Electro-Optics, 2001. CLEO/Pacific Rim 2001. The 4th Pacific Rim Conference on
Conference_Location :
Chiba, Japan
Print_ISBN :
0-7803-6738-3
DOI :
10.1109/CLEOPR.2001.967950
