A fiber loop mirror, or fiber loop reflector, is a simple reflecting device for fiber optics, made by connecting two ports of a fiber coupler with a fiber loop; it can be considered as a Sagnac interferometer. In the linear regime with a 50:50 coupler, it acts as a perfect. Thorlabs' Faraday Mirrors with a Fiber Optic Pigtail are designed to return light with a 90° orthogonal polarization relative to the input state of polarization (SOP). They allow for greater control over the design of systems such as fiber sensors, erbium-doped fiber amplifiers, and tunable fiber. Qlibri's microcavity mirrors are designed for demanding applications in quantum optics, nanophotonics, and ultra-sensitive spectroscopy. By introducing. TECHSPEC® Fiber Laser Mirrors offer high reflectance and superior surface quality and accuracy needed for demanding fiber laser applications. Featuring a high damage threshold, these high power mirrors are ideal for beam steering. They are precision milled and vacuum-coated with the advantages of high reflectivity, wide wavelength range and high stability. Need more info? Contact our expert.