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 relative spatial alignment of the assembly in the presence of differential thermal expansion of the elements of the assembly. The apparatus or holder comprises...http://www.google.fr/patents/US4045129?utm_source=gb-gplus-shareBrevet US4045129 - Apparatus for hard mounting an optical member to a rigid base
Apparatus for hard mounting an optical member to a rigid base
