hpwren

HPWREN News

October 9, 2006

New Optical Fiber Infrasound Sensor deployment at Camp Elliot

Optical Fiber Infrasound Sensors (OFIS) are long compliant tubes wrapped with two optical fibers that interferometrically measure atmospheric pressure along the length of the tube. The UCSD OFIS team is building a multi-arm OFIS array at the Camp Elliot field station. The proposal is to test this OFIS array with the back azimuth determination software in a real-time setting by tracking the airplanes that take off and land at the nearby Miramar Naval Air Station. Also proposed is the development of an infrasound source, using an array of low-frequency speakers, and testing this system as an OFIS calibration tool. The system is dependent on HPWREN to for remote operation and data transfer throughout this research.

OFIS
Shown are four 60-meter OFIS laid side-by-side. The similarity of the recorded atmospheric pressure signals is being quantified. The suspended white pipe is the Elliot laser strain meter.


Kris Walker, UCSD


 back to top

  back to HPWREN news


field research
network analysis
education
  ~ university of california, san diego ~ © 2000 ~
NSF
hpwren
sdsc
sio
contact