Method and apparatus for measuring deformation of a workpiece su

Details Method and apparatus for measuring deformation of a workpiece su Method and apparatus for measuring deformation of a workpiece su

1977-10-04

1979-12-25

Corbin, John K.

Optics: measuring and testing

Material strain analysis

By light interference detector

73657, 356360, G01B 902

Patent

active

041803248

ABSTRACT:
This invention relates to an interferometric laser method and apparatus for sensing the acoustic wave responsive deformation of a workpiece surface. A laser provides a coherent beam of light which after reflection at the workpiece surface is split into a first measuring beam portion and a second reference beam portion, the latter portion being delayed by being transmitted over a long delay path. The optical length of the delay path is dimensioned to be a multiple integer of the optical length of the resonator of the laser.

REFERENCES:
patent: 3319515 (1967-05-01), Flournoy
patent: 3503012 (1970-03-01), Gillard
patent: 3535024 (1970-10-01), Schindler
patent: 3633987 (1972-01-01), Brooks
patent: 3822942 (1974-07-01), Hock
patent: 4046477 (1977-09-01), Kaule
Born et al., Principles of Optics, Pergamon Press, pp. 315-322, 1959.

Affiliated with

Also associated with

Rating

Method and apparatus for measuring deformation of a workpiece su does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method and apparatus for measuring deformation of a workpiece su, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method and apparatus for measuring deformation of a workpiece su will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2068724