A temperature compensated optical fiber grating device comprises a longitudinally extending optical fiber grating having a length and a packaging assembly for the grating comprising a first longitudinally extending body of material having a first coefficient of thermal expansion (CTE) and second and...http://www.google.de/patents/US6101301?utm_source=gb-gplus-sharePatent US6101301 - Temperature-compensated optical fiber gratings with fine wavelength tuning