C. Pare et Pa. Belanger, CUSTOM LASER RESONATORS USING GRADED-PHASE MIRRORS - CIRCULAR GEOMETRY, IEEE journal of quantum electronics, 30(4), 1994, pp. 1141-1148
The properties of a new class of resonators using graded-phase mirrors
designed for delivering a prescribed intensity output profile are ana
lyzed in the circular geometry. It is shown that the diffraction losse
s of super-Gaussian custom resonators strongly favor the single-transv
erse-mode operation, and optimum design parameters are suggested. Simu
lations indicate that these resonators behave reasonably well in the p
resence of perturbations such as thermal lensing fluctuations or gain
saturation.