An assembly and method for a fiber grating package comprising a rod having a first end and a second end and a coefficient of thermal expansion. A first end cap includes a first base having a first opening formed therein to receive the rod for movement of the first end cap along the rod to a first position...http://www.google.es/patents/US6510272?utm_source=gb-gplus-sharePatente US6510272 - Temperature compensated fiber bragg grating
