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Optical fibre gas laser and optical fiber type ring laser gyroscope possessing the laser

A technology of ring laser gyroscope and gas laser, which is applied in the direction of lasers, laser parts, laser parts, etc., can solve problems such as high difficulty, complicated manufacturing process, unstable scale factor, etc., and achieve low cost, wide range of performance, and amplification effect Good results

Active Publication Date: 2008-04-23
THE HONG KONG POLYTECHNIC UNIV
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  • Abstract
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  • Application Information

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Problems solved by technology

[0014] In view of the complex and difficult manufacturing process of the ring laser gyroscope in the prior art, and the instability of the analog output and scale factor of the interference fiber optic gyroscope, the purpose of the present invention is to provide a combination of these two gyroscopes. Fiber-optic gas laser and fiber-type ring laser gyroscope with the same advantages while avoiding its disadvantages

Method used

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  • Optical fibre gas laser and optical fiber type ring laser gyroscope possessing the laser
  • Optical fibre gas laser and optical fiber type ring laser gyroscope possessing the laser
  • Optical fibre gas laser and optical fiber type ring laser gyroscope possessing the laser

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Embodiment Construction

[0042] The invention will now be described by way of example with reference to the following drawings.

[0043] image 3 A fiber gas laser according to a first embodiment of the present invention is shown.

[0044] The fiber gas laser according to the first embodiment of the present invention includes an electrical excitation source, an optical resonant cavity, and an excitation gas. The optical resonant cavity is a fiber ring cavity formed by connecting the hollow fibers 11, 12 and the solid fibers 21, 22 of the two arms of the single-mode fiber coupler 2 by using the existing low-loss connection technology. The hollow parts of the hollow fibers 11 and 12 are filled with excitation gas, and serve as gain tubes (discharge tubes). The excitation source is a DC discharge excitation device.

[0045] Specifically, one end of two hollow-core optical fibers 11 and 12 with substantially equal lengths is butted with a certain gap through a fixing device (not shown) to form a gain t...

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Abstract

This invention provides a fiber gas laser and a fiber ring laser gyro with said laser, in which, the fiber gas laser includes exciting gas, optical resonance cavity and an exciting source characterizing that said cavity is composed of hollow fiber and a single-mode fiber coupler, two arms of the coupler are solid fibers and connected with two ends of the hollow fiber separately, and exciting gas as gain medium is filled in the core of the hollow fiber.

Description

technical field [0001] The invention relates to a fiber laser and a fiber ring laser gyroscope with the laser, in particular to a fiber gas laser and a fiber ring laser gyroscope with the laser. Background technique [0002] A gyroscope is an instrument for measuring rotation in an inertial coordinate system. The application of gyroscopes is everywhere around us. For example, in the field of national defense, the precise guidance of missiles, the precise navigation of submarines lurking underwater for a long time, and the stability of artillery and aiming systems of moving tanks are all inseparable from gyroscopes. instrument. In the field of national economy, the precise positioning of engineering surveys, the precise orientation of oil drilling, and the precise control of robot movements also rely on gyroscopes. Even in daily life, people have or will benefit from gyroscopes unconsciously. For example, the aircraft makes passengers feel very stable and comfortable in fl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01S3/067H01S3/05H01S3/09H01S3/223H01S3/02G01C19/72G01C19/66
CPCH01S3/2222G02B6/02361H01S3/06791G02B6/02347H01S3/076H01S3/08059G01C19/72G02B6/02328H01S3/06729H01S3/0835G01C19/66
Inventor 靳伟石鑫
Owner THE HONG KONG POLYTECHNIC UNIV
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