TP - Distance measurement by laser telemetry

Extract from syllabus:
1st STL: Image Module
Light and energy: Measuring a distance with a laser source.
Tle STL: SPCL Waves Module
Measuring: Measuring a distance using ultrasonic telemetry.

Introduction:
This practical work is based on measuring distance using a laser. It exploits the geometric relationship between the laser source, an object, and a receiver (observer).