The invention provides an integrated module for optical fiber amplifiers which is able to efficiently diffuse, by a Peltier element, heat generated by an LD element outside the module, have a WDM filter component and a substrate firmly fixed for a longer period of time and further reduce the beam axis...http://www.google.fr/patents/US6053640?utm_source=gb-gplus-shareBrevet US6053640 - Composite module for optical fiber amplifier
