Optical fiber array with double end faces and manufacturing method thereof

Abstract

The present invention discloses an optical fiber array with double end faces. The optical fiber array with double end faces comprises a type groove base plate, a cover plate and a bare optical fiber ribbon clamped between the type groove base plate and the cover plate; and one end of a whole formed by the type groove base plate, the cover plate and the bare optical fiber ribbon forms a first inclined plane which is inclined inwards about 42-48 degrees, the other end of the whole formed by the type groove base plate, the cover plate and the bare optical fiber ribbon form a second inclined plane which is inclined inwards about 6-10 degrees, and the bare optical fiber ribbon is extended to surfaces of the first inclined plane and the second inclined plane. The optical fiber array with double end faces is configured to combine with an optical fiber array coupled with a VCSEL and an optical fiber array coupled with an AWG to form a whole, compared to a traditional combination mode, the combination provided by the invention is more compact in structure, space usage is small, the optical fiber array with double end faces facilitates miniaturization packaging of an optical module, avoids damaging of optical fibers caused by exposure of the optical fibers and is higher in reliability; and moreover, the manufacturing method of the optical fiber array with double end faces performs grinding of end faces at two ends after the type groove base plate, the cover plate and the bare optical fiber ribbon form a whole, and is simple in technology steps, high in production efficiency and low in production cost.

Description

technical field [0001] The invention relates to the field of optical fiber communication, more specifically, to a double-ended fiber array for coupling with a VCSEL chip and an AWG, and a method for manufacturing the double-ended fiber array. Background technique [0002] With the development of high-speed optical module technology, it is a common technical solution to use an optical fiber array with an optical plane of 45° to couple with a VCSEL chip. The technical principle is to use the principle of total reflection to grind the end face of the optical fiber to about 45°. The laser light emitted from the VCSEL chip, through the reflection of the end face, deflects the beam by 90° and enters the core of the optical fiber for transmission, realizing the perfect light emission. Function. [0003] In addition, in the high-speed optical module of AWG, the optical fiber array needs to be made into an optical plane with an inclination angle of about 8°, and the optical fiber ar...

AI Technical Summary

Problems solved by technology

The current method of combining the two is to connect a section of optical fiber ribbon between the optical fiber array coupled with the VCSEL and the optical fiber array coupled with the AWG, but the overall size of the combination of the two optical fiber arrays in the above structure is relatively long compared to the optical module. , which is not conducive to the miniaturization and packaging of optical modules. At the same time, in the actual manufacturing process, the length of the optical fiber is difficult to accurately control. If the optical fiber is too short, the FA-MT component cannot be installed into the module. Always under excessive bending stress, even impossible to install

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