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Cavity Ring-Down
Determination of the Reflectivity and Transmittance of Low Loss Optical Components
Reflectivity values R > 99 % and transmittance values T > 99 % of Low Loss optical components can be measured very exactly by Cavity Ring-Down time measurements. Compared to measurements in a photospectrometer this method has three main advantages:
- it is applicable for very high reflectivities und transmittances
- it is impossible to get measurement values which are higher than the real ones
- it has a very high accuracy
LAYERTEC comes with various Cavity Ring-Down systems with which the quality of optical components is controlled steadily.