Question

a. List the necessary components, only, of a Q-switched laser.. b. Un a short sentence describe accurately how a Pockels cell generates short intense pulses.

Answer 1

a) NECESSARY COMPONENT ARE:

1) Dichroic mirror

2) Pump Light

3) Lens

5) Double-clad fiber

6) Q- switch

B) how a Pockels cell generates short intense pulses:

A small volume of material at the surface of a work piece can be evaporated if it is heated high enough in a very short amount of time. On the other hand, supplying the energy gradually would allow the heat to be absorbed into the bulk of the piece, never attaining a sufficiently high temperature above the evaporation point of the material.

1. Using a pulsed pump source
2. temporarily changing the quality factor of the optical resonator (Q-switching),
3. and the so-called mode coupling.