Method for modeling and design of coupled cavity laser devices

A method for designing a laser device wherein a resonance cavity of the laser device includes at least two sub-cavities, the method comprising:

• selecting laser output performance criteria;
• selecting a reference surface in each sub-cavity;
• selecting a gain model of at least one sub-cavity;
• selecting a resonance cavity geometry;
• injecting a small field in at least one sub-cavity;
• performing an intra-cavity round trip iteration calculation, including inter-cavity field exchange, for each sub-cavity;
• performing a convergence test to determine whether convergence has been reached;
• if convergence has not been reached, performing an intra-cavity round trip iteration calculation for each sub-cavity;
• if convergence has been reached, computing output beam characteristics;
• comparing the output beam characteristics to the laser output performance criteria;
• if the output beam characteristics do not satisfy the laser output performance criteria, modifying at least one characteristic of the laser device;
• if the output beam characteristics satisfy the laser output performance criteria, recording a design characteristic of the laser.

A method for modeling performance characteristics of a laser device wherein a resonance cavity of the laser device includes at least two sub-cavities, the method comprising:

• selecting a reference surface in at least one sub-cavity;
• injecting a small field in at least one sub-cavity;
• performing an intra-cavity round trip iteration calculation for at least one sub-cavity;
• performing a convergence test to determine whether convergence has been reached;
• if convergence has not been reached, performing an intra-cavity round trip iteration calculation for each sub-cavity;
• if convergence has been reached, computing an output beam characteristic.

A set of instructions residing in a storage medium, said set of instructions capable of being executed by a processor to implement a method for modeling performance characteristics of a laser device wherein a resonance cavity of the laser device includes at least two sub-cavities, the method comprising:

• selecting a reference surface in each sub-cavity;
• selecting a gain model of at least one sub-cavity;
• selecting a resonance cavity geometry;
• performing an intra-cavity round trip iteration calculation after a small field is injected in at least one sub-cavity, said round trip iteration calculation including inter-cavity field exchange, for each sub-cavity;
• performing a convergence test to determine whether convergence has been reached;
• if convergence has not been reached, performing an intra-cavity round trip iteration calculation for each sub-cavity;
• if convergence has been reached, computing an output beam characteristic.

A set of instructions residing in a storage medium, said set of instructions capable of being executed by a processor to implement a method for designing a laser device wherein a resonance cavity of the laser device includes at least two sub-cavities, the method comprising:

• selecting laser output performance criteria;
• selecting a reference surface in each sub-cavity;
• selecting a gain model of at least one sub-cavity;
• selecting a resonance cavity geometry;
• performing an intra-cavity round trip iteration calculation after a small field is injected in at least one sub-cavity, the intra-cavity round trip iteration calculation including inter-cavity field exchange, for each sub-cavity;
• performing a convergence test to determine whether convergence has been reached;
• if convergence has not been reached, performing an intra-cavity round trip iteration calculation for each sub-cavity;
• if convergence has been reached, computing output beam characteristics;
• comparing the output beam characteristics to the laser output performance criteria;
• if the output beam characteristics do not satisfy the laser output performance criteria, modifying at least one characteristic of the laser device;
• if the output beam characteristics satisfy the laser output performance criteria, recording a design characteristic of the laser.

A set of instructions residing in a storage medium, said set of instructions capable of being executed by a processor to implement a method for modeling performance characteristics of a laser device wherein a resonance cavity of the laser device includes at least two sub-cavities, the method comprising:

• selecting a reference surface in at least one sub-cavity;
• performing an intra-cavity round trip iteration calculation for at least one sub-cavity after a small field is injected in said at least one sub-cavity;
• performing a convergence test to determine whether convergence has been reached;
• if convergence has not been reached, performing an intra-cavity round trip iteration calculation for each sub-cavity;
• if convergence has been reached, computing an output beam characteristic.