Abstract: In the present apparatus, a system converting stress in a structural member into strain by positioning a body of lasing material (creating a coherent beam) on a structural member. The body has parallel end faces. One is opposite a mirror attached to the structural member. The member strain varies laser cavity spacing and modulates the laser beam as a function of strain.
Type:
Grant
Filed:
June 24, 1988
Date of Patent:
January 8, 1991
Assignee:
Reiton Ltd.
Inventors:
John V. Wright, Thomas A. Rabson, Michael D. Reifel