You get a bonus - 1 coin for daily activity. Now you have 1 coin

The dependence of the output power of the laser parameters

Lecture



The output power of the laser depends on the length of the active element, the losses in the resonator and on the transmission of the output mirror.

  The dependence of the output power of the laser parameters

Fig.1 Block diagram of the resonator.

  The dependence of the output power of the laser parameters

Fig.2 Multilayer mirror.

  The dependence of the output power of the laser parameters ,

  The dependence of the output power of the laser parameters ,

  The dependence of the output power of the laser parameters ,

  The dependence of the output power of the laser parameters ,

  The dependence of the output power of the laser parameters ,

  The dependence of the output power of the laser parameters ,

Where   The dependence of the output power of the laser parameters - specific mirror losses;

T is the transmission of the mirror;

  The dependence of the output power of the laser parameters - total loss;

  The dependence of the output power of the laser parameters - the size of the mirrors.

Full power:

  The dependence of the output power of the laser parameters ,

  The dependence of the output power of the laser parameters ,

  The dependence of the output power of the laser parameters ,

  The dependence of the output power of the laser parameters .

Threshold condition of self-excitation.

In this case, the laser resonator is completely filled.

  The dependence of the output power of the laser parameters ,

  The dependence of the output power of the laser parameters ,

  The dependence of the output power of the laser parameters ,

  The dependence of the output power of the laser parameters .

  The dependence of the output power of the laser parameters

Fig.3. Dependence of power on various parameters of the resonator.

There is an optimal transparency of the mirror. Install analytically   The dependence of the output power of the laser parameters optimal.

  The dependence of the output power of the laser parameters ;

  The dependence of the output power of the laser parameters ;

  The dependence of the output power of the laser parameters ;

  The dependence of the output power of the laser parameters .

Radiation loss:   The dependence of the output power of the laser parameters .

With increasing L and decreasing a, we can increase the diffraction loss   The dependence of the output power of the laser parameters where a is the internal size of the diaphragm. By changing the diffraction loss, we can excite either one main or several modes.

  The dependence of the output power of the laser parameters

In the far zone, the radiation will be bound by the following formula

  The dependence of the output power of the laser parameters .


Comments


To leave a comment
If you have any suggestion, idea, thanks or comment, feel free to write. We really value feedback and are glad to hear your opinion.
To reply

Quantum electronics

Terms: Quantum electronics