Accession Number : ADA019666
Title : Absolute Length Changes by Remote Interferometry.
Descriptive Note : Interim rept.,
Corporate Author : AEROSPACE CORP EL SEGUNDO CALIF LAB OPERATIONS
Personal Author(s) : Wolff,Ernest G. ; Eselun,Steven A.
Report Date : 10 DEC 1975
Pagination or Media Count : 47
Abstract : The subject of remote or 'contactless' length change measurements is reviewed. The development of a Michelson-type laser interferometer is described. Fringe analysis and system requirements to achieve continuous real-time delta l/l versus temperature curves with a resolution of less then 10 A are outlined. (Author)
Descriptors : *Interferometers, *Dilatometers, *Thermal stability, *Change detection, Length, Laser beams, Remote detectors, Real time, Optical equipment, Temperature, Measurement, Resolution, Interferometry, Mirrors
Subject Categories : Lasers and Masers
Distribution Statement : APPROVED FOR PUBLIC RELEASE