CN109323712A - 一种随机偏振光源 - Google Patents

一种随机偏振光源 Download PDF

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Publication number
CN109323712A
CN109323712A CN201811470456.9A CN201811470456A CN109323712A CN 109323712 A CN109323712 A CN 109323712A CN 201811470456 A CN201811470456 A CN 201811470456A CN 109323712 A CN109323712 A CN 109323712A
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luminescence unit
light
random polarization
light source
unit
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CN201811470456.9A
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张超
肖丹谊
姚飞
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GUILIN G-LINK TECHNOLOGY Co Ltd
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GUILIN G-LINK TECHNOLOGY Co Ltd
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
    • G01D5/32—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
    • G01D5/34—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
    • G01D5/344—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells using polarisation
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
    • G01D5/32—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
    • G01D5/34—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
    • G01D5/353—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre
    • G01D5/35306—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre using an interferometer arrangement
    • G01D5/35309—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre using an interferometer arrangement using multiple waves interferometer
    • G01D5/35312—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre using an interferometer arrangement using multiple waves interferometer using a Fabry Perot

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Lasers (AREA)

Abstract

本发明公开了一种随机偏振光源，其特征是，包括互联的发光单元和反馈单元，其中，反馈单元将发光单元发射光的10%‑90%反射回发光单元中。这种随机偏振光源结构架构简单，体积小、制作简易、成本低廉，低温度灵敏度，可实现不断快速改变光源的偏振态。

Description

一种随机偏振光源
技术领域
本发明涉及光通信中光传感应用和测量技术领域，具体是一种随机偏振光源。
背景技术
随着社会的发展和科技的进步，光纤技术也在逐渐的成熟，目前已经在社会的各个领域得到了广泛的应用。而由于入射光偏振态不同，光器件以及光纤的偏振特性不同，从而导致光信息在产生和传输时受到不同程度的偏振相关损害，所以在某些光传感应用和测量应用中，需要随机偏振光源。
发明内容
本发明的目的是针对现有技术的不足，而提供一种随机偏振光源。这种随机偏振光源结构架构简单，体积小、制作简易、成本低廉，低温度灵敏度，可实现不断快速改变光源的偏振态。
实现本发明目的的技术方案是：
一种随机偏振光源，包括互联的发光单元和反馈单元，其中，反馈单元将发光单元发射光的10%-90%反射回发光单元中。
所述发光单元为Fabry-Perot激光器。
所述发光单元的发射光与反馈单元反射回的反射光形成自混合干涉，产生随机偏振光，随机偏振光经过反馈单元后，向外部输出。
这种随机偏振光源结构架构简单，体积小、制作简易，成本低廉，低温度灵敏度，可实现不断快速改变光源的偏振态。
附图说明
图1为实施例的结构示意框图；
图2为实施例中光路原理示意框图。
图中，1.发光单元 2.反馈单元 。
具体实施方式
下面结合附图和实施例对本发明的内容作进一步的阐述，但不是对本发明的限定。
参照图1、图2，一种随机偏振光源，包括互联的发光单元1和反馈单元2，其中，反馈单元2将发光单元1发射光的10%-90%反射回发光单元1中。
所述发光单元1为Fabry-Perot激光器，本例中发光单元1采用1550nm波长Fabry-Perot连续光激光器，反馈单元2采用1X2光耦合器，光耦合器的D端口涂敷光反射膜形成光反射器。
所述发光单元1通过端口A将发射光发出，10%-90%光经由反馈单元2的B-C-D-C-B路径，从反馈单元2的B端口返回发光单元1中，发光单元1的发射光与反馈单元2反射回的反射光在发光单元1内部的F-P腔内形成自混合干涉，产生随机偏振光，随机偏振光再次通过发光单元1的端口A发出，经由反馈单元2的B-E路径，从反馈单元2的E端口向外部输出。

Claims (2)

1.一种随机偏振光源，其特征是，包括互联的发光单元和反馈单元，其中，反馈单元将发光单元发射光的10%-90%反射回发光单元中。
2.根据权利要求1所述的随机偏振光源，其特征是，所述发光单元为Fabry-Perot激光器。
CN201811470456.9A 2018-12-04 2018-12-04 一种随机偏振光源 Withdrawn CN109323712A (zh)

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1596379A (zh) * 2001-11-27 2005-03-16 汤姆森许可公司 偏振再生器
CN101715562A (zh) * 2007-06-05 2010-05-26 I2Ic公司 偏振光源
KR20150025074A (ko) * 2013-08-28 2015-03-10 최욱 편광디스플레이장치
CN105021216A (zh) * 2014-04-28 2015-11-04 中国计量学院 一种实现抗偏振衰落的光纤周界传感装置
CN106291838A (zh) * 2016-08-22 2017-01-04 武汉电信器件有限公司 一种提高bosa器件隔离度的方法
CN107369281A (zh) * 2017-08-14 2017-11-21 桂林聚联科技有限公司 一种形变式光纤围栏装置
CN207624123U (zh) * 2017-08-14 2018-07-17 桂林聚联科技有限公司 一种形变式光纤围栏装置
CN209372092U (zh) * 2018-12-04 2019-09-10 桂林聚联科技有限公司 一种随机偏振光源

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1596379A (zh) * 2001-11-27 2005-03-16 汤姆森许可公司 偏振再生器
CN101715562A (zh) * 2007-06-05 2010-05-26 I2Ic公司 偏振光源
KR20150025074A (ko) * 2013-08-28 2015-03-10 최욱 편광디스플레이장치
CN105021216A (zh) * 2014-04-28 2015-11-04 中国计量学院 一种实现抗偏振衰落的光纤周界传感装置
CN106291838A (zh) * 2016-08-22 2017-01-04 武汉电信器件有限公司 一种提高bosa器件隔离度的方法
CN107369281A (zh) * 2017-08-14 2017-11-21 桂林聚联科技有限公司 一种形变式光纤围栏装置
CN207624123U (zh) * 2017-08-14 2018-07-17 桂林聚联科技有限公司 一种形变式光纤围栏装置
CN209372092U (zh) * 2018-12-04 2019-09-10 桂林聚联科技有限公司 一种随机偏振光源

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Application publication date: 20190212