Wavelength-Scale Imaging of Trapped Ions using a Phase Fresnel lens
arXiv:1101.4443 · doi:10.1364/OL.36.001371
Abstract
A microfabricated phase Fresnel lens was used to image ytterbium ions trapped in a radio frequency Paul trap. The ions were laser cooled close to the Doppler limit on the 369.5 nm transition, reducing the ion motion so that each ion formed a near point source. By detecting the ion fluorescence on the same transition, near diffraction limited imaging with spot sizes of below 440 nm (FWHM) was achieved. This is the first demonstration of imaging trapped ions with a resolution on the order of the transition wavelength.
8 pages, 3 figures
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- Diffraction-Unlimited Position Measurement of Ultracold Atoms in an Optical Lattice
- Efficient Collection of Single Photons Emitted from a Trapped Ion into a Single Mode Fiber for Scalable Quantum Information Processing
- Transparent ion trap with integrated photodetector
- Dynamics and control of fast ion crystal splitting in segmented Paul traps
- Fluorescence Detection of a Trapped Ion with a Monolithically Integrated Single-Photon-Counting Avalanche Diode
- Sub-milliKelvin spatial thermometry of a single Doppler cooled ion in a Paul trap
- Scalable ion-photon quantum interface based on integrated diffractive mirrors
- High-Fidelity Ion State Detection Using Trap-Integrated Avalanche Photodiodes
- Probing surface charge densities on optical fibers with a trapped ion
- Efficient fluorescence collection and ion imaging with the "tack" ion trap
- Technologies for trapped-ion quantum information systems
- Controllable optical phase shift over one radian from a single isolated atom
- Compatibility of trapped ions and dielectrics at cryogenic temperatures