Laser system i.e. titanium-sapphire laser, for delivering laser light, has splitter surface is aligned such that backreflected portion is divided into beams, and amplifier medium arranged in one of beams against reflected portion of path

摘要

The system (100) has a backreflecting interferometer arrangement (120) comprising a beam splitter (130) with a partially reflecting beam splitter surface (132). Interferometer mirrors (140, 150) define an interferometer optical path. The surface is aligned such that a backreflected portion (A1) of a laser light in an incident region (A) of the surface is divided into reflected and transmitted partial beams (R1, T1). The beams are reflected back into the incidence region through the path. An optical amplifier medium (160) is arranged in one of the beams against a reflected portion of the path. The beam splitter is designed as a dielectric beam splitter. The optical amplifier medium is designed as a sapphire crystal.