We propose a new resonator configuration which has high stability agai
nst mirror misalignment and also has high damage threshold suitable fo
r pulsed laser operation. It was experimentally shown that in our new
resonator scheme with appropriate parameters; the output energy was pr
actically stable for mirror misalignment tilting angle up to +/-30 mra
d, which is 20 times larger than that with ordinary resonator configur
ations.