Intercomparison of 127 I2 stabilized He-Ne lasers at 633 nm

Project Description

Nordic intercomparison of the optical frequency of 127 I2 stabilized He-Ne lasers at 633 nm is arranged at the University of Helsinki between 11 and 15 October 1993. This radiation is the most used of those listed in the mise en pratique of the definition of the metre given by the CIPM.