Construction

OptiMet-OMF glass fiber with Bragg grating 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

83±0.1

Length

Width

mm

23±0.1

Height

mm

6±0.1

Connector

FC/APC

Available Bragg wavelengths

nm

1520, 1525, 1530, 1535, 1540, 1545, 1550,

1555, 1560, 1565, 1570, 1575, 1580

Tolerance of Bragg wavelength

nm

±1

k faktor

0.76

k faktor tolerance

%

±4

Maximal 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

>10,000 (1%)

Strain in positive direction

Strain in negative direction

μm/m

>10,000 (1%)

Minimal bending radius

cm

40

Bonding method

Spot welding method

Restoring force

N (lbf) 1000 µm/m

<300 (<67)