Distributed Measurement of Temperature for PCC Energy Pile Using BOFDA

Table 2

Indices of fTB2505.

Label	Index			Label	Index
Dynamic range	>10 dB			Weight	13 kg
Measurement object	Brillouin frequency shift, temperature, strain			Temperature	5–40°C
Accuracy range	Accuracy		Fluctuation range	Typical acquisition time	0.2 km	20 s
	Strain	<2 µε	±3%		2 km	1 min
	Temperature	<0.1°C	−273 to 1000°C		10 km	8 min
	Brillouin frequency shift	<100 kHz	10–13 GHz		25 km	25 min