Fiber-Bragg grating sensor

The invention provides a glass fiber (100) for a strain sensor, wherein the glass fiber (100) comprises a set (110) of fiber-Bragg gratings (111,112,113), wherein the set (110) comprises a first fiber-Bragg grating (111), a second fiber-Bragg grating (112) and a third fiber-Bragg grating (113), wher...

Ausführliche Beschreibung

Gespeichert in:

Bibliographische Detailangaben
Hauptverfasser:	HERMAN OFFERHAUS, MORITZ FORSCH, MARTIN CALDAROLA, REMCO NIEUWLAND
Format:	Patent
Sprache:	eng
Schlagworte:	MEASURING MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER,MECHANICAL EFFICIENCY, OR FLUID PRESSURE PHYSICS TESTING
Online-Zugang:	Volltext bestellen
Tags:	Tag hinzufügen Keine Tags, Fügen Sie den ersten Tag hinzu!

Beschreibung
Zusammenfassung:	The invention provides a glass fiber (100) for a strain sensor, wherein the glass fiber (100) comprises a set (110) of fiber-Bragg gratings (111,112,113), wherein the set (110) comprises a first fiber-Bragg grating (111), a second fiber-Bragg grating (112) and a third fiber-Bragg grating (113), wherein the first fiber-Bragg grating (111) and the second fiber-Bragg grating (112) are separated by a first optical cavity (131), wherein the first optical cavity (131) has a length L1 selected from the range of 1 - 1000 mm, and Wherein the second fiber-Bragg grating (112) and the third fiber-Bragg grating (113) are separated by a second optical cavity (132), wherein the second optical cavity (132) has a length L2, wherein 0.83L1/L2Sl2, and wherein \|L1-L2\|/Ll 2 0.01.