A 100-m Fabry–Pérot Cavity with Automatic Alignment Controls for Long-Term Observations of Earth’s Strain

A 100-m Fabry–Pérot Cavity with Automatic Alignment Controls for Long-Term Observations of Earth’s Strain

We have developed and built a highly accurate laser strainmeter for geophysical observations. It features the precise length measurement of a 100-m optical cavity with reference to a stable quantum standard. Unlike conventional laser strainmeters based on simple Michelson interferometers that requir...

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Bibliographic Details
Main Authors: Akiteru Takamori, Akito Araya, Wataru Morii, Souichi Telada, Takashi Uchiyama, Masatake Ohashi
Format: Article
Language:English
Published: MDPI AG 2014-08-01
Series:Technologies
Subjects:
absolute distance determination
earthquake monitoring
laser strainmeter
optical cavity alignment
Online Access:http://www.mdpi.com/2227-7080/2/3/129

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