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rdf:type
lifeskim:mentions
pubmed:issue
22
pubmed:dateCreated
2003-12-1
pubmed:abstractText
We present a general method for continuously measuring and compensating for offsets (due to residual amplitude modulation, parasitic resonances, or electronic offset voltages, for example) in frequency stabilization systems. The spectral power distribution of the oscillator waveform is modified by amplitude-modulated sidebands, and the error signal is corrected to null the induced periodic lock-point shifts. We demonstrate significant improvements to the frequency stability of standards based on cryogenic optical resonators and molecular iodine.
pubmed:language
eng
pubmed:journal
pubmed:status
PubMed-not-MEDLINE
pubmed:month
Nov
pubmed:issn
0146-9592
pubmed:author
pubmed:issnType
Print
pubmed:day
15
pubmed:volume
28
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
2186-8
pubmed:year
2003
pubmed:articleTitle
Offset compensation by use of amplitude-modulated sidebands in optical frequency standards.
pubmed:affiliation
Institut für Physik, Humboldt-Universität zu Berlin, Hausvogteiplatz 5-7, 10117 Berlin, Germany. holger.mueller@physik.hu-berlin.de
pubmed:publicationType
Journal Article