Application of Fiber Bragg Grating Sensors at Cryogenic Temperatures

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Ines Latka, Tobias Habisreuther and Wolfgang Ecke
Institute of Photonic Technology (IPHT), Jena, Germany

Series: Physics Research and Technology
BISAC: SCI055000

Fiber Bragg grating (FBG) sensors are well known means for the measurement of strain and temperature in broad temperature and strain ranges. The most important features of this sensor type are its small size, light weight, full electrical insulation, negligible interaction with electric and magnetic fields, and the flexible fiber leads of good thermal insulation between sensor and its interrogation unit. In particular, the low thermal conductivity of the optical fiber is an advantage when working with low temperatures. This book discusses the specific application advantages of optical fiber Bragg grating sensors at low temperatures. (Imprint: Novinka)

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Table of Contents

ABSTRACT

INTRODUCTION

1. FIBER BRAGG GRATINGS – FABRICATION, INTERROGATION, SENSING CAPABILITIES

2. SENSOR SIGNAL PROCESSING AND MULTIPLEXING

3. FBGS AT LOW TEMPERATURES

4. MAGNETIC FIELD CROSS SENSITIVITY

5. STRAIN MEASUREMENTS DOWN TO 4.2 K

6. APPLICATIONS

7. CONCLUSION

REFERENCES

INDEX

 

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