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Image title:
ring laser - schematic 
Image explanation:
Ring laser of the geodesy observatory Wettzell. Two counter-rotating laser beams travel around a closed square path with mirrors in the corners. The ring laser is mounted with supporting beams on a base plate, all built from Zerodur. The optical frequency is measured at the detector. 
Faculty:
Civil Engineering and Surveying 
Event date / year:
2004 
Document type:
Image 
Source:
extern 
Original File: