LTE

Pulse energy,pulse width,pulse frequency,beam divergence,

receiver sensitivity,range accuracy,axis alignment deviation,

extinction ratio

LTF

Extinction ratio,range accuracy,distance discrimination,axis 

calibration test

LJT

The emitter is aligned with the axis of the reference optical axis.

L64

Detection sensitivity and axis alignment accuracy of laser receiver or laser tracker.

LIP

Divergence,power

LT

Pulse energy,pulse width,pulse frequency,beam divergence,

receiver sensitivity,range accuracy,axis alignment deviation