TitleNeutral Atom Imaging Using a Pulsed Electromagnetic Lens
Author(s)Gardner, Jamie Ryan
PublicationCham, Springer International Publishing, 2018.
DescriptionXVI, 112 p. 97 illus., 64 illus. in color : online resource
Abstract NoteThis dissertation describes the design, construction, and characterization of a new??type of aberration-corrected, neutral-atom lens. Atom beam control plays a crucial??role in many different fields, ranging from fundamental physics research and materials??science to applied nanotechnology. Despite this, atom-optical elements like lenses and??mirrors remain relatively underdeveloped compared to their counterparts in other??optics fields. Although aberration correction is addressed quite comprehensively in??photon and electron lenses, no credible research efforts have yet produced the same??technology for neutral atoms. This thesis reports on progress towards a neutral atom imaging device that will be useful in??a range of applications, including nanofabrication and surface microscopy. It presents a novel??technique for improving refractive power and correcting chromatic aberration in atom??lenses based on a fundamental paradigm shift from continuous, two-dimensional??focusing to a pulsed, three-dimensional approach. Simulations of this system suggest??that it will pave the way towards the long-sought goal of true atom imaging on??the nanoscale. The thesis describes the construction of a prototype lens, and shows that all of the technological??requirements for the proposed system are easily satisfied. Using metastable neon from??a supersonic source,??the prototype was??characterized for three different focal lengths??and a diverse range of apertures. Despite some manufacturing imperfections,??lower distortion and higher resolution than has been shown in any previous??hexapole lens was??observed. Comparison with simulations corroborates the underlying theory and??encourages further refinement of the process
ISBN,Price9783319684307
Keyword(s)1. ATOMS 2. Atoms and Molecules in Strong Fields, Laser Matter Interaction 3. EBOOK 4. EBOOK - SPRINGER 5. LASERS 6. MICROSCOPY 7. Nanoscale science 8. Nanoscale Science and Technology 9. NANOSCIENCE 10. Nanostructures 11. Optics, Lasers, Photonics, Optical Devices 12. PHOTONICS 13. PHYSICS 14. SPECTROSCOPY 15. Spectroscopy and Microscopy
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