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  • July 11, 2017

Design and operation of a 1500-m laser strainmeter installed at an underground site in Kamioka, Japan

A laser strainmeter with a 1500-m baseline was constructed at an underground site in Kamioka, Gifu Prefecture, Japan, and has been operating since August 2016. The laser interferometer measures the change in distance between two retroreflectors housed in two vacuum chambers with a separation of 1500 m. The retroreflectors are fixed to the ground in the tunnel of the KAGRA gravitational wave telescope. A high-frequency-stabilized laser is used as a… Read more

  • News
  • July 11, 2017

Deadline for submissions extended to 31 August: “GNSS and SAR Technologies for Atmospheric Sensing”

The deadline for submissions has been extended to 31 August 2017. More information for this special issue can be found via the following link. “GNSS and SAR Technologies for Atmospheric Sensing” Read more