Title :
Brillouin-based temperature sensing in optical fibres down to 1 K
Author :
Fellay, A. ; Thevenaz, L. ; Garcia, J.P. ; Facchini, M. ; Scandale, W. ; Robert, P.
Author_Institution :
Metrol. Lab., Swiss Fed. Inst. of Technol., Lausanne, Switzerland
Abstract :
In this paper we will present the Brillouin scattering properties of optical fibres as experimentally measured at ultra-low temperatures and discuss the possibilities for distributed cryogenic temperature sensing, accordingly. We then present a first example of real scale application.
Keywords :
Brillouin spectra; fibre optic sensors; low-temperature techniques; temperature sensors; 1 K; Brillouin scattering; distributed cryogenic temperature sensing; optical fibre; ultra-low temperature; Acoustic scattering; Brillouin scattering; Cryogenics; Large Hadron Collider; Optical fibers; Optical scattering; Particle scattering; Resonance light scattering; Temperature distribution; Temperature sensors;
Conference_Titel :
Optical Fiber Sensors Conference Technical Digest, 2002. Ofs 2002, 15th
Conference_Location :
Portland, OR, USA
Print_ISBN :
0-7803-7289-1
DOI :
10.1109/OFS.2002.1000562
