G - Physics – 02 – B
Patent
G - Physics
02
B
88/109, 345/30
G02B 7/00 (2006.01) H01S 3/02 (2006.01)
Patent
CA 1066099
ABSTRACT OF DISCLOSURE The present invention relates to an apparatus in the form of a holder for hard mounting an optical member to a rigid base in order to maintain the re- lative spatial alignment of the assembly in the pre- sence of differential thermal expansion of the elements of the assembly. The apparatus or holder comprises a tubular member terminating at one end with a base for attachment to the mounting structure for the assembly, while it its opposite end the holder has flange portions for engaging the optical member. The longitudinally extending portion of the holder comprises thin wall,spring finger members which are disposed to establish bilateral symmetry in a plane perpendicular to the longitudinal axis of the holder, which bilateral symmetry assures the maintenance of the spatial alignment of the members of the assembly. The optical member is hard mounted to the flange of the assembly by a suitable rigid epoxy. The hard mounting of the optical apparatus assures that there is no relative movement between the spring fingers and the optical member. The spring fingers, however, allow for differential expansion between the optical element and the base of the mount.
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