简介:FortheAMANDAexperimentanewtypeofopticalmodule-thedigitalanalogopticalModule(dAOM)-hasbeendeveloped,Itincorporatessomelocal'intelligece'forslowcontrolandactiveelectronicsforanalogpulsetransmission.Morethan20dAOMprototypeshavebeensuccessfullydeployedintothepolariceduringthe1999/2000antarcticseasonandarerunningsincethattime.TheyareconnectedtothedAOMDAQboardsatthesurfacebysingletwistedparicablesoverdistancesupto2.7km.CORBAbasedclient-serverapplicationsestablishworld-wide,logicalaccesstoeverydAOM.
简介:Tailoreddiodelasersingleemitterswithlong(6mm)resonatorsandwide(1.2mm)emissionaperturesthatoperatewith940nmemissionwavelengthwereassembledinnoveledge-cooledverticallystackedarrays,andusedtoconstructacompactandhighlyefficientfibercoupledpumpsourceforYb:YAGpulsedhigh-energyclasssolid-statelasers.Thenovelconfigurationisshowntoallowrepetitionratesof200Hzat1mspulseduration,atanoutputpowerof130Wpersingleemitter.Theemissionoftwostackedarrayswasthenopticallycombinedtorealizepumpmodulesthatdeliver6kWpeakpower(pulseenergy6J)froma1.9mmcorediameterfiber,withwallplugefficiencyof50%.Thisrepresentsasignificantimprovementintermsofdutycycleandelectro-opticalefficiencyoverconventionalsources.ThepumpmodulehasbeensuccessfullytestedattheMaxBornInstitute,Berlinduringtrialsforpumpingofdisklasers.