The fundamental mode of the optical resonator with the toroidal mirrors is investigated. The losses in such resonator with the on-axis holes are low in compare with the case of spherical mirrors. The use of this type of optical resonator is briefly discussed.
Published through SciTech Connect., 12/31/1995., "bnl--61982-absts.", " conf-9508156--absts.", "DE96002729", 17. international free electron laser conference, New York, NY (United States), 21-25 Aug 1995., and Serednyakov, S.S.; Vinokurov, N.A.