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Multi-wavelength synchronous output optical fiber code recognition system and method

A code recognition, multi-wavelength technology, applied in the field of optical fiber communication, can solve the problem that the light source cannot form pulsed light waves and the light intensity is not large.

Pending Publication Date: 2021-04-27
ZHONGSHAN SHUIMU GUANGHUA ELECTRONICS INFORMATION TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The existing optical fiber code recognition system mainly uses a wide-spectrum light source, which has the disadvantages of not being able to form pulsed light waves and having low light intensity.

Method used

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  • Multi-wavelength synchronous output optical fiber code recognition system and method
  • Multi-wavelength synchronous output optical fiber code recognition system and method

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Embodiment Construction

[0022] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

[0023] In the description of the present invention, it should be understood that the orientation descriptions, such as up, down, front, back, left, right, etc. indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, and are only In order to facilitate the description of the present invention and simplify the description, it does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific ...

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Abstract

The invention discloses a multi-wavelength synchronous output optical fiber code recognition system and method. The system comprises: a high-power pulse light source group; a wavelength division multiplexer which is respectively connected with the high-power pulse light source so as to realize wavelength coupling of the high-power pulse light source group; a circulator, wherein the first port of the circulator is connected with the output end of the wavelength division multiplexer; an optical fiber which is provided with an optical fiber code; a modulator-demodulator which is connected with a third port of the circulator so as to receive the optical wave signal returned by the optical fiber code; a wavelength demodulator which is connected with the output end of the modem; and a main controller which is electrically connected with the high-power pulse light source group, the modulator-demodulator and the wavelength demodulator respectively so as to realize identification of optical fiber codes. According to the embodiment of the invention, a plurality of high-power pulse light sources with different wavelength bands are selected as light sources, and then the wavelength division multiplexer is used for coupling to form wide-spectrum light waves, so that the output of the high-power and large-bandwidth pulse light sources is realized, and long-distance optical fiber coding can be detected.

Description

technical field [0001] The invention relates to the field of optical fiber communication, in particular to a multi-wavelength synchronous output optical fiber code recognition system and method. Background technique [0002] In the field of optical fiber communication, optical fiber encoding, as a unique technical means for identifying optical fiber media, is composed of multiple fiber gratings with different wavelengths. The optical fiber encoding identification system is an optical detection system that accurately identifies the wavelength of its optical fiber grating. The existing optical fiber code recognition system mainly uses a wide-spectrum light source, which has the disadvantages of not being able to form pulsed light waves and having low light intensity. Contents of the invention [0003] The present invention aims to solve at least one of the technical problems existing in the prior art. For this reason, the present invention proposes a multi-wavelength synchr...

Claims

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Application Information

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IPC IPC(8): H04B10/071H04B10/079H04B10/275H04B10/50H04B10/524H04B10/572H04J14/02
CPCH04B10/071H04B10/0795H04B10/275H04B10/503H04B10/524H04B10/572H04J14/0202
Inventor 朱惠君薛鹏白金刚毛志松邬耀华
Owner ZHONGSHAN SHUIMU GUANGHUA ELECTRONICS INFORMATION TECH CO LTD
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