Construction

OptiMet-OMF glass fiber with 3 Bragg gratings installed on stainless steel with X120 adhesive

Core diameter of glass fiber, ca.

μm

6

Diameter of cladding, ca.

μm

125

Outer diameter of coating, ca.

μm

195

Diameter of fiber cable, ca.

mm

3.0

Thickness steel plate (material X8Cr17, 1.4016)

mm

0.1

Dimensions

mm

72±0.1

Length

Width

mm

67±0.1

Height

mm

6±0.1

Connector

FC/APC

Available Bragg wavelengths

nm

Rosette 1: 1520, 1525, 1530

Rosette 2: 1535, 1540, 1545

Rosette 3: 1550, 1555, 1560

Rosette 4: 1565, 1570, 1575

Tolerance of Bragg wavelength

nm

±1

k faktor

0.76

k faktor tolerance

%

±4

Mamimal reflectivity

%

15

Cross sensitivity

%

0

Application temperature

°C

-40…+60

Storage temperature

°C

-40…+80

Reference temperature

°C

23

Thermal cross sensitivity (TCS)

thermal contribution of sensor to strain signal

μm/m/°C

6.6

Tolerance of thermal cross sensitivity (TCS)

μm/m/°C

±1

Maximal Strain

μm/m

2,000 (0.2%)

Strain in positive direction

Strain in negative direction

μm/m

2,000 (0.2%)

Minimal bending radius

cm

40

Bonding method

Spot welding method

Restoring force

N (lbf) 1000 µm/m

<300 (<67)