Mr. Wasin Limthunyalak and Dr. Kittisun Mongkolsuttirat, metrologists from the Primary Length Standard Group, Dimensional Metrology Department, attended the CIPM Key Comparison for laser wavelength (CCL-K11) and discussed the establishment of gauge block interferometer system on 28 January – 7 February 2024 at the National Metrology Institute of Japan (NMIJ).
