Baienwei offers a series of AlSi alloys( also called CE alloys in some countries)optical & fiber packages,Website:http://www.alsi-alloy.com, include:Optical housingsFiber amplifier housings;Heat sinkSensorsoptoelectronic packageslaser combinerAdvantages: Light weight, controlled expansion, compatible with chips, high thermal conductivity.AlSi alloys--thermal management solution