A temperature compensated optical filter assembly including a plurality of thin films having temperature dependent indices of refraction which are deposited on a glass substrate so as to form a conventional interference filter thereon. The glass substrate is adhesively coupled to a metal holder such...http://www.google.es/patents/US6304383?utm_source=gb-gplus-sharePatente US6304383 - Controlled stress thermal compensation for filters
Controlled stress thermal compensation for filters
