Multichannel fiber sensor for time delay and optical pulse form measuring

Author:

Arapov Y D,Turkin V N

Abstract

Abstract This paper presents a description of engineering solutions and physical diagram of a device meant to measure spatially resolved time form of optical signals with detection accuracy up to 0.1 ns and a scalable number of monitoring points. It has been demonstrated that the number of simultaneously detected optical signals within the limit is up to one million. There are no moving mechanical units in the device design. A method for reducing the total length of the optical fiber based on the principle of the cascade optical delay is proposed for the multichannel sensor of diversification. The number of measured signals reaches a million. The capabilities and constraints of the described engineering solution for measuring the pulse form and monitoring the diversification of the multicomponent optical signals have been demonstrated. The principle of calculating a multichannel fiber device for recording optical pulses is presented and shown that the fiber length is up to 15 km for the detection system of 128 optical signals 100 ns long each. Generally, the number of measured signals may reach a million.

Publisher

IOP Publishing

Subject

General Physics and Astronomy

Reference12 articles.

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