Mach-Zehnder interferometer based on coaxial optical fiber

A coaxial fiber and interferometer technology, which is applied in cladding fibers, coupling of optical waveguides, multi-layer core/cladding fibers, etc. Problems such as poor temperature stability, to achieve the effect of compact structure, simple manufacturing method and easy integration

Active Publication Date: 2009-06-24
JIANGSU TIANCHENG BIOCHEM PROD
View PDF0 Cites 21 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the disadvantage of this optical fiber Mach-Zehnder interferometer is that it is difficult to precisely control the length difference of the interference arm during the preparation process, so it is difficult to control the filtering characteristics of the interference output optical signal
In addition, this structure has poor temperature stability during application and is easily affected by external influences.

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Mach-Zehnder interferometer based on coaxial optical fiber
  • Mach-Zehnder interferometer based on coaxial optical fiber

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0017] The specific implementation of the present invention will be further described below in conjunction with the accompanying drawings.

[0018] see figure 1 , the Mach-Zehnder interferometer based on coaxial fiber, consists of five parts: single-mode input fiber 1, first coaxial fiber 2, single-mode fiber 3, second coaxial fiber 4 and single-mode output fiber 5, wherein, The first coaxial optical fiber 2 has a double-clad structure, and the refractive index of the core 6 and the cladding 7 is higher than that of the cladding 8, and each section of optical fiber can be directly fused with a fusion splicer to form a fusion surface 9 and a fusion surface. 10. Welding surface 11, welding surface 12. The broadband optical signal 13 is input from the single-mode input optical fiber 1 and transmitted in the core 14. When transmitted to the fusion splicing surface 9, the optical signal is injected into the core 6 of the first coaxial optical fiber 2 for transmission. Through the...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

The invention relates to a Mach-Zehnder interferometer based on a coaxial optical fiber, which comprises a single-mode input optical fiber, a first coaxial optical fiber, a single-mode optical fiber, a second coaxial optical fiber and a single-mode output optical fiber which are connected in sequence. An optical beam splitter is formed by welding the single-mode input optical fiber and the single-mode optical fiber with two ends of the first coaxial optical fiber respectively; an optical combiner is formed by welding the single-mode optical fiber and the single-mode output optical fiber with two ends of the second coaxial optical fiber respectively; and the Mach-Zehnder interferometer is achieved in a single optical fiber. The Mach-Zehnder interferometer based on the coaxial optical fiber has the advantages of simple manufacture method, convenient operation, easy control of interference and transmission characteristics, good temperature stability, compact structure, easy integration with the prior optical fiber system, and the like, can be applied to optical fiber spectral filters, optical fiber pressure, refractive index, temperature sensor, and the like in the fields of optical fiber communication devices and fiber optic sensors.

Description

Technical field: [0001] The invention relates to a Mach-Zehnder interferometer based on coaxial optical fiber, which belongs to the technical field of optical fiber. Background technique: [0002] Optical fiber Mach-Zehnder interferometer has a very wide range of applications in the fields of optical fiber communication and optical fiber sensing, including optical fiber filters, optical fiber modulators, optical switches, optical fiber stress sensing, optical fiber refractive index sensing, etc. The conventional Mach-Zehnder fiber optic interferometer uses a fiber coupler (2×2 and 1×2) as a beam splitter to input optical signals into two independent fiber interference arms for transmission. A fiber coupler (2×2 and 2×1) acts as a multiplexer to make the two beams interfere and output an optical signal with a spectral filtering characteristic. This common fiber optic Mach-Zehnder interferometer has been reported quite a lot in the literature, for example: Yi-Ping Wang, Jian-...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
Patent Type & Authority Applications(China)
IPC IPC(8): G02B6/26G02B6/036
Inventor 庞拂飞王廷云刘奂奂陈娜徐平闫吉文向文超陈振宜
Owner JIANGSU TIANCHENG BIOCHEM PROD
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap