Optical fiber circulator

• Main Authors: WU LI, DENG WEISONG, WANG ZONGYUAN, LI YANG, XU YUNBING, ZHAO WULI
• Format: Patent
• Language: Chinese; English
• Published: 22.12.2020
• Subjects: OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS; OPTICS; PHYSICS

The invention discloses an optical fiber circulator comprising a double-optical-fiber collimator, a light combining prism, an optical path compensation sheet, a trapezoidal prism, an isolator core anda single-optical-fiber collimator which are arranged in sequence, and two inclined planes of the trapezoidal prism are positioned on one side close to the isolator core; according to the scheme, a series of optical fiber circulator structures are provided through organic combination of optical elements such as a double-optical-fiber collimator, the light combining prism, the optical path compensation sheet, the isolator core and the single-optical-fiber collimator, and the device has the advantages of being small in size, high in integration degree, easy to produce, low in cost and the like and has good market prospects. 本发明公开了一种光纤环行器，其包括依序设置的双光纤准直器、合光棱镜、光程补偿片、梯形棱镜、隔离器芯和单光纤准直器，所述的梯形棱镜的两斜面位于接近隔离器芯的一侧；本发明方案通过利用双光纤准直器、合光棱镜、光程补偿片、隔离器芯和单光纤准直器等光学元件的有机结合，提出一系列光纤环行器的结构，该器件具有体积小，集成度高，易生产，成本低等优点，具有良好的市场前景。