Rami Arieli: "The
Laser Adventure" Chapter 3 page 2
Every oscillator has 4 main parts (as
seen in figure 3.1):
1. Amplifier.
2. Positive resonance feedback.
3. Output coupler.
4. Power source.
Figure 3.1: Electronic Oscillator
In analogy to the electronic amplifier, the
laser can be described as composed of four structural
units (see figure 3.2):
Figure 3.2: The Basic Laser System