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National Repository of Grey Literature 1 records found  Search took 0.00 seconds. 
Optical cavity for ultra-narrow linewidth laser system
 Pravdová, Lenka ; Hrabina, Jan ; Čížek, Martin ; Číp, Ondřej ; Procháska, František ; Beneš, Jiří
We designed an optical resonator cavity for narrowing standard commercial laser to sub-Hz linewidth. The optical Fabry Perot resonator is designed hemispherical with all components from ULE material and zero crossing temperature at 33°C. The support Zerodur shelf is isolated from the resonator by two Viton O-rings. The resonator is located in an Aluminium chamber with direct temperature stabilization. 2nd temperature stabilisation is provided by 4 Peltier modules enabling heat exchange between the copper jacket and the assembly surroundings. The stainless-steel jacket has passive isolation and protective function.
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