Laser Target Ranging
The objective of this experiment is to detect a target approaching laser source. In this experiment we are expecting a
target to approach a laser source along the direction of propagation of the laser beam. The target may be a metallic object
of any shape but preferably a plane shaped object will be discussed.
We want that when the target approaches a certain distance called specific range towards laser illuminator the system
should switch on the alarm or otherwise destroy the target at that specific distance if the system is fitted with desired
artillery.
First step is to align or point out the laser towards the direction of approach of the target. In the lab we are assuming that
the target is approach from a horizontal direction parallel to the dimensions of the optical table. So first we level the laser
beam as shown in Fig. 1.
Fig. 1
Holes in the optical bench
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