Photonic crystal fiber grinding and polishing technology method

Abstract

The invention discloses a photonic crystal fiber grinding and polishing technology method. The method comprises the steps that preparation before photonic crystal tail fiber grinding and polishing is conducted; clamping of a photonic crystal tail fiber is conducted; rough grinding is conducted on the end face of the photonic crystal optical fiber; fine grinding is conducted on the end face of the photonic crystal optical fiber; accurate grinding is conducted on the end face of the photonic crystal optical fiber; polishing is conducted on the end face of the photonic crystal optical fiber; examination is conducted on the end face of the optical fiber. According to the grinding and polishing technology method, the wet corrosion photo-etching technology or the cutting technology is adopted, a V-shaped groove is formed in an optical fiber fixing block, the CMP technology where a certain angle is formed between a polishing plane of the end face of the photonic crystal optical fiber and the cross section of the optical fiber is introduced on the basis of common photonic crystal end face grinding and polishing, the photonic crystal optical fiber prepared through the technology method can guarantee that loss of tail fibers is small and the method can be used for grinding and polishing for the angle between the end face of a whole-inner-reflection type photonic crystal optical fiber and the end face of a photonic band gap type photonic crystal optical fiber.

Description

technical field [0001] The invention belongs to the technical field of integrated optical devices, and in particular relates to a grinding and polishing process for photonic crystal optical fibers. Background technique [0002] Photonic crystal fiber is a fiber with periodically arranged air holes in the cladding, also known as microstructured fiber or holey fiber. It can be divided into total internal reflection type and photonic bandgap type. Due to the special structure and light guiding mechanism of photonic crystal fiber, it has the characteristics of high coupling efficiency, low bending loss, low nonlinearity, low dispersion and high birefringence that traditional core or cladding structure fibers do not have. [0003] With the rapid development of optical fiber communication and optical fiber sensing technology, integrated optical devices play an increasingly important role in systems and components. As one of the key components of integrated optical devices, pigta...

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Problems solved by technology

At the same time, the optical properties of the pigtail fluctuate greatly with the change of temperature, resulting in poor temperature stability of the integrated optical device made of this photonic crystal pigtail

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