Comparison of Independent Optical Frequency Measurements Using a Portable Iodine-Stabilized Nd:YAG Laser Public Deposited

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  • A comparison of two independent absolute optical frequency measurements has been carried out between the National Metrology Institute of Japan/National Institute of Advanced Industrial Science and Technology (NMIJ/AIST), Tsukuba, Japan and the JILA (formerly the Joint Institute for Laboratory Astrophysics), Boulder, CO, using a portable iodine-stabilized Nd:YAG laser. The agreement between the two absolute measurements is better than the measurement uncertainty of 6.7×10-13 that can be attributed to the reproducibility limitations of the portable laser. This comparison is used to confirm the measured absolute frequency of an iodine-stabilized Nd:YAG laser at NMIJ/AIST (Y3), which is reported to the Consultative Committee for Length (CCL) for the determination of the absolute frequency value of iodine-stabilized Nd:YAG lasers.

Date Issued
  • 2003-04-01
Academic Affiliation
Journal Title
Journal Issue/Number
  • 2
Journal Volume
  • 52
File Extent
  • 240-244
Last Modified
  • 2020-01-14
Resource Type
Rights Statement
  • 10.1109/TIM.2003.811676
  • 0018-9456