FIELD: communication technology.
SUBSTANCE: invention relates to fiber-optic splitter devices and can be used in fiber-optic networks of information exchange. The claimed optical splitter without loss on reverse reflection and with zero transmission and directivity coefficients for fiber-optic communication systems contains fiber optical guides based on quartz glass and a reflective spherical coating. The optical splitter has a spherical shape and is made of quartz glass with a refractive index n = 1.46–1.49. It consists of two parts of a sphere with flat polished surfaces with a reflective coating applied to their outer spherical surface, while each part of the sphere includes reflective mirror screens with areas that prevent radiation from the input fiber guides from interacting directly with the output fiber guides. The polished flat parts of the sphere are connected using an adhesive having the same refractive index as quartz glass, and are completely covered after gluing with the same reflective coating as reflective mirror screens. The splitter is additionally covered with a protective polymer layer.
EFFECT: ability to accurately calculate the amount of energy losses at any input or output of the splitters and, thus, provide the required uniformity of incoming and outgoing light streams due to multiple reflection of input radiation in a spherical optical splitter made of quartz glass.
1 cl, 1 dwg
