NDLI: Distributed cavity phase shifts and microwave photon recoils

Content Provider	IEEE Xplore Digital Library
Author	Fertig, C. Ruoxin Li Rees, J.I. Gibble, K.
Copyright Year	2002
Description	Author affiliation: State Coll., Pennsylvania Univ., Philadelphia, PA, USA (Fertig, C.; Ruoxin Li; Rees, J.I.; Gibble, K.)
Abstract	Examines cylindrical TE/sub 011/ microwave cavities and finds large phase shifts of the microwave field near the edges of the cut-off waveguide apertures, where there are nodes in the field. The phase shifts lead to a potential distributed cavity phase shift for atomic clocks. Using an additional larger diameter cut-off waveguide section can effectively exclude the nodes and the large phase shifts from the atomic trajectories. It has been suggested that recoils from the absorption of microwave photons lead to frequency shift and also a loss of fringe contrast. We present measurements of the contrast for up to 2 19/spl pi//2 pulses and find no loss of contrast beyond that expected from measuring microwave field inhomogeneities with up to 19/spl pi/ Rabi pulses.
Sponsorship	IEEE Ultrasonics, Ferroelectrics, & Frequency Control Soc
Starting Page	469
Ending Page	472
File Size	289553
Page Count	4
File Format	PDF
ISBN	0780370821
DOI	10.1109/FREQ.2002.1075928
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2002-05-31
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Optical waveguides Feeds Frequency Atomic measurements Atomic clocks Magnetic fields Atom optics Apertures Wave functions Power measurement
Content Type	Text
Resource Type	Article

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