Skip to main content
Skip header

Fiber optic sensors I

Type of study Bachelor
Language of instruction Czech
Code 440-2329/01
Abbreviation VOS I
Course title Fiber optic sensors I
Credits 4
Coordinating department Department of Telecommunications
Course coordinator doc. Ing. Petr Šiška, Ph.D.

Subject syllabus

Lectures:
1) Difference between communication and sensory fibers, use of optical fibers and their properties as a sensors, division of kinds and types of sensors.
2) Description of the physical principles and processes utilized during sensing.
3) Optical light modulators for optical sensors.
4) Intensity sensors.
5) Interferometry sensors, Sagnac and Michelson interferometer.
6) Grating optical sensors, gratings production, use, sensors with transverse or longitudinal grating.
7) Polarization sensors, photoelastic effect.
8) DTS, Principle of OTDR, OFDR, Rayleigh, Raman and Brillouin scattering, principle of DTS.

Tutorials:
First introductory tutorial, security of work in the laboratory.
Six laboratory tasks during semester.
Two tutorials are reserved for tests during semester and spare laboratory measurements.
The last tutorial in the semester is reserved for spare test.

Laboratories:
1) Vibration measurement by fiber optic interferometer.
2) Electric current measurement by magnetostrict sensor
3) Temperature measuremet by DTS system.
4) Intensity sensors - vertical and horizontal displacement.
5) Measurement of Bragg grating temperature dependence.
6) Determination of colouring agent quantity in substance.

E-learning

Materials are available at https://lms.vsb.cz/

Literature

UDD, E.: Fiber Optic Sensors: An Introduction for Engineers and Scientists. John Wiley and sons, Inc. (1991), ISBN 0-471-83007-0 .
LOPÉZ-HIGUERA, J. M.: Handbook of optical fibersensing technology. John Wiley and sons, Ltd. (2002), ISBN 0-471-82053-9.

Advised literature

Krohn, D. A.: Fiber Optic Sensors - Fundamentals and Applications. 1992