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 jacket, ca.

mm

1.5

Thickness steel plate (material X8Cr17, 1.4016)

mm

0.1

Dimensions

mm

70±1

Length

Width

mm

61±1

Height

mm

2.5±0.3

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 factor

0.76

k factor tolerance

%

±3

Maximal reflectivity

%

15

Cross sensitivity

%

0

Reference temperature

°C

23

Application temperature

°C

-40…+100

Storage temperature

°C

-40…+100

Thermal cross sensitivity (TCS)

thermal contribution of the sensor to strain signal

μm/m/°C

7.5

Tolerance of thermal cross sensitivity (TCS)

μm/m/°C

±1

Maximal Strain at reference temperature

μm/m

2,000 (0.2 %)

Strain in positive direction

Strain in negative direction

μm/m

2,000 (0.2 %)

Minimal bending radius at room temperature

cm

30

Bonding method

Spot welding method

Strain-related restoring force

N (lbf)

1, 000 µm/m

< 400 (<90)