Document Detail


Rapid precision interferometry for the analytical ultracentrifuge. II. A laser controller based on a rate-multiplying circuit.
MedLine Citation:
PMID:  6529000     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
A laser controller that uses a fixed frequency clock and a digital rate-multiplying circuit to synchronize the triggering of a pulsed laser to the spinning of an analytical ultracentrifuge rotor has been designed. The circuit is simple, inexpensive, and virtually free of any adjustments. It tracks rotors undergoing full acceleration or deceleration. At constant rotor speed it provides triggering that is accurate and reproducible to better than 0.5 microseconds. The settings of this controller are independent of rotor speed over the full range of the ultracentrifuge.
Authors:
D A Yphantis; T M Laue; I Anderson
Publication Detail:
Type:  Journal Article; Research Support, U.S. Gov't, Non-P.H.S.; Research Support, U.S. Gov't, P.H.S.    
Journal Detail:
Title:  Analytical biochemistry     Volume:  143     ISSN:  0003-2697     ISO Abbreviation:  Anal. Biochem.     Publication Date:  1984 Nov 
Date Detail:
Created Date:  1985-03-27     Completed Date:  1985-03-27     Revised Date:  2007-11-14    
Medline Journal Info:
Nlm Unique ID:  0370535     Medline TA:  Anal Biochem     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  95-102     Citation Subset:  IM    
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MeSH Terms
Descriptor/Qualifier:
Interferometry / instrumentation*
Lasers
Minicomputers
Time Factors
Ultracentrifugation / instrumentation*
Grant Support
ID/Acronym/Agency:
GM 00317/GM/NIGMS NIH HHS

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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