Short Range Shape Sensing – Rayleigh Scatter
Luna’s Short Range Shape Sensing efforts are driven by speed and bend radius requirements, in addition to
accuracy. Current achievable metrics are outlined in the table below for systems that utilize Rayleigh Scatter.
METRIC CURRENT CAPABILITY NOTES
SENSOR LENGTH 2.5 meters
SENSOR DIAMETER 250um Fiber OD; most applications require additional packaging
MEASUREMENT ACCURACY < 1% of length Accuracy is a function of length and curvature
UPDATE RATE 10’s of Hz
BEND RADIUS (MINIMUM) ~10mm
OPERATIONAL TEMP TBD Tested to date in lab environment
READOUT SYSTEM SIZE 18.62 X 16.54 X 8.08 in
READOUT SYSTEM POWER ~600W Predominantly processing power
TRL 6 Tested in lab environment