Polarizing Beam Splitter Fiber

Thorlabs offers both plate and cube polarizing beamsplitters for a variety of wavelength ranges and power handling requirements.

Polarizing beam splitter fiber.

The devices on this page feature two legs of po. Beam splitting polarizers split the incident beam into two beams of differing linear polarization. For an ideal polarizing beamsplitter these would be fully polarized with orthogonal polarizations. Such glass polarizers perform best for short wavelength infrared light and are widely used in optical fiber communications.

Many beam splitters have the form of a cube where the beam separation occurs at an interface within the cube figure 2. Overview newport s f pbc series polarization beam combiner splitters can be used to combine light from two pm input fibers into a single smf 28 output fiber or to separate the orthogonal polarization components of an input signal between two output fibers. Such a cube is often made of two triangular glass prisms which are glued together with some transparent resin or cement. The thickness of that layer can be used to adjust the power splitting ratio.

In its most common form a cube it is made from two triangular glass prisms which are glued together at their base using polyester epoxy or urethane based adhesives the thickness of the resin layer is adjusted such that for a certain wavelength half of the light incident through one port i e face of the cube is reflected and the other half is transmitted due.