Continuous Fuel Level Sensor Based on Spiral Side-Emitting Optical Fiber

Table 1

Performance of several side-leaking optical fiber level sensors.

Side-leaking method	Range (m)	Resolution (mm)
Reduce cladding thickness	1	62.5
Remove zones of cladding	1	25
Fluorescent impurity-doped fiber	1.5	40
Fiber side-polish	0.04	2.2
Etched FBG	0.02	2
Tilted FBG	0.02	4
Side-emitting optical fiber	0.9	10