The beam propagated along a nonplanar loop within the cavity consisting of two mirrors, one of which was coated on the curved surface of the laser crystal.

• 该激光射器谐振腔由2面反射镜组成，其中1面反射镜直接镀制在激光晶体表面上，所产生的激光在2面腔镜之间沿著非平面光路传播，在谐振腔内形成振荡；