A mach-zehnder fiber optic interferometer vibration impact testing system

An optical fiber interferometer and testing system technology, applied in vibration testing, optical instrument testing, testing optical fiber/optical waveguide equipment, etc., can solve problems such as lack of testing systems, and achieve the effect of being suitable for teaching

Active Publication Date: 2018-07-10
JINLING INST OF TECH
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  • Abstract
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Problems solved by technology

However, the current research only focuses on how to reduce the environmental impact, and lacks a test system that can simply and clearly demonstrate the impact of vibration on the fiber optic interferometer

Method used

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  • A mach-zehnder fiber optic interferometer vibration impact testing system
  • A mach-zehnder fiber optic interferometer vibration impact testing system

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Embodiment Construction

[0015] The following description and drawings illustrate specific embodiments of the invention sufficiently to enable those skilled in the art to practice them. Other embodiments may incorporate structural, logical, electrical, process, and other changes. The examples merely represent possible variations. Individual components and functions are optional unless explicitly required, and the order of operations may vary. Portions and features of some embodiments may be included in or substituted for those of other embodiments.

[0016] Such as figure 1 and 2 As shown, in some illustrative embodiments, a Mach-Zehnder fiber optic interferometer vibration impact test system is provided, including: a Mach-Zehnder fiber optic interferometer 1, an excitation device 2 and a monitoring device 3, and the excitation device 2 is used To generate mechanical vibration, the Mach-Zehnder fiber optic interferometer 1 is excited, and the monitoring device 3 measures the phase noise of the pha...

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Abstract

The invention discloses a Mach-Zehnder fiber optic interferometer vibration influence testing system which comprises a Mach-Zehnder fiber optic interferometer, an excitation device and a monitoring device. The excitation device comprises a signal generator, a noise generator and a loudspeaker. The signal generator is used for generating vibration of certain frequency and amplitude. The loudspeaker is installed over a rectangular wood packaging box. The monitoring device comprises an acceleration sensor and a network analyzer. The influence on the Mach-Zehnder fiber optic interferometer from vibration is displayed simply and clearly, the influence on the Mach-Zehnder fiber optic interferometer from vibration carried out before a feedback control loop can be tested and measured, the amplitude and the frequency of generated vibration are adjusted at any time, and the system is simple in structure, easy to operate and suitable for teaching.

Description

technical field [0001] The invention belongs to the technical field of testing systems of optical fiber interferometers, and in particular relates to a vibration impact testing system of a Mach-Zehnder optical fiber interferometer. Background technique [0002] Optical fiber interferometer is an instrument for interference of optical phenomena. Interference phenomenon is a basic phenomenon of optics. Using optical fiber to realize light interference is an important application of optical interference phenomenon. The Mach-Zehnder fiber optic interferometer can be used as a teaching experiment device. Using this device to conduct experiments can not only deepen the understanding of optical interference phenomena, understand the factors that affect optical interference, but also exercise the ability to adjust the optical path and inspire innovation consciousness. [0003] The phase change of the fiber is affected by the geometric length of the fiber and the change of the refrac...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01M7/02G01M11/00
CPCG01M7/02G01M7/025G01M11/30
Inventor 叶全意高英杰
Owner JINLING INST OF TECH
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