English Deutsch Français Italiano Español Português 繁體中文 Bahasa Indonesia Tiếng Việt ภาษาไทย
All categories

2007-12-26 04:22:39 · 3 answers · asked by Anonymous in Science & Mathematics Physics

3 answers

Quality. A Q-switch works by switching on the Q, or resonant quality (how slow it damps) of the laser cavity. See link.

2007-12-26 05:46:37 · answer #1 · answered by Dr. R 7 · 0 0

In a Q switching laser. The Q stands for the Q-factor.
For a solid state laser such as Nd-Yag lasers. This Q factor is

Q=(2*pi)*(energy stored at resonance / energy dissipated per cylce)

In these Q switched lasers, a shutter or some type (can be an organic dye controlled by a voltage or just a rotating plate) stops the laser from oscillating between the mirrors and thus giving off laser action. This results in a very low Q factor.
When the shutter is removed, laser oscillations builds up rapidly and an emission of energy is given off in some short sharp pulse. Thus a resulting high Q.

As such the Q-factor is said to be switched from low to high. Thus, Q switched/switching laser.

2007-12-27 13:46:14 · answer #2 · answered by Anonymous · 0 0

in the 1970 medical American Column had plans to construct a He-Ne laser, Ar, organic and organic dye, and Nitrogen lasers(Xe could be much extra effective). which includes a normal ability. it is available on line or in the accumulated works of sturdy. (i actual pass over this column) Rubies for lasers are decrease priced. in case you get ingenious employing flash lamps from cameras and old digital areas it would desire to no longer fee plenty. There are good state lasers in CD and DVD gamers. do no longer exceed the voltage score and use a resistor in sequence to shrink the present (3 hundred ohms?). As evaluate what you prefer to apply it for. Burning, slicing, suggestion circulate. some agencies sell assessment kits for optical computing, communique, etc. this may be the ideal discovering journey. We had lasers inspected by employing the heath human beings through fact of policies, yet have been much less ability than a pointer which isn't regulated. probable there is not any concern.

2016-11-25 01:41:16 · answer #3 · answered by haltom 4 · 0 0

fedest.com, questions and answers