Holographic imaging of cold atoms
AuthorTURNER, LINCOLN DAVID
AffiliationScience: School of Physics
Document TypePhD thesis
CitationsTurner, L. D. (2004). Holographic imaging of cold atoms. PhD thesis, School of Physics, The University of Melbourne.
Access StatusOpen Access
© 2004 Dr. Lincoln David Turner
This thesis presents a new optical imaging technique which measures the structure of objects without the use of lenses. Termed diffraction-contrast imaging (DCI), the method retrieves the object structure from a Fresnel diffraction pattern of the object, using a deconvolution algorithm. DCI is particularly adept at imaging highly transparent objects and this is demonstrated by retrieving the structure of an almost transparent cloud of laser-cooled atoms. Applied to transparent Bose-Einstein condensates, DCI should allow the non-destructive imaging of the condensate while requiring only the minimum possible apparatus of a light source and a detector. (For complete abstract open document)
Keywordscold atom imaging; holography; non-destructive imaging; diffraction-contrast imaging; monomorphous object; homogeneous object; rubidium; magneto-optical trap; mot; bec; Bose-Einstein condensate; phase contrast; Zernike; phase imaging; transport-of-intensity; Fresnel diffraction; contrast transfer function; deconvolution; wavelets; fourier-wavelet regularized deconvolution; x-ray microscopy; point projection; external-cavity diode lasers; laser frequency stabilisation; servo; control theory; defocus contrast
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