Page 1052 - B2B All Year Round Vol.8

FMCW LiDAR : What Makes Us Different

FMCW vs Pulse

• Using Coherent Detection Scheme, Excellent Penetration Capability through

Rain/Fog/Smoke/Rain and etc.

Parameters Pulse LiDAR FMCW LiDAR

System Bandwidth ~ 1GHz GHz ~ THz
Detector Bandwidth ~ 1GHz ~ 100MHz
Range Resolution ~ cm cm ~ nm
Spatial Resolution Poor Good

System Sensitivity ~10 nW pW ~ fW
Detector Sensitivity ~10 nW ~ 50 nW
System Dynamics < 30dB > 90dB
Laser Power High Power Low Power
Eye Safety Poor (for 905nm) Excellent
Velocity Information None Provided
Aperture Size Large Aperture Small Aperture

Noise Immunity Sunlight Sensitive Sunlight Immunity
Crosstalk Strong Crosstalk No Crosstalk
Smoke Penetration Impossible Possible
System Size Large Compact
Computation Power Low (TOF) High (FFT)

INFOWORKS Confidential 5