CN111473953A - Fiber laser mode decomposition method based on phase recovery and implementation device thereof - Google Patents
Fiber laser mode decomposition method based on phase recovery and implementation device thereof Download PDFInfo
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- CN111473953A CN111473953A CN202010321268.0A CN202010321268A CN111473953A CN 111473953 A CN111473953 A CN 111473953A CN 202010321268 A CN202010321268 A CN 202010321268A CN 111473953 A CN111473953 A CN 111473953A
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- 238000000354 decomposition reaction Methods 0.000 title claims abstract description 95
- 239000000835 fiber Substances 0.000 title claims abstract description 59
- 238000000034 method Methods 0.000 title claims abstract description 42
- 238000011084 recovery Methods 0.000 title claims abstract description 31
- 230000003287 optical effect Effects 0.000 claims abstract description 42
- 238000009826 distribution Methods 0.000 claims description 20
- 230000003321 amplification Effects 0.000 claims description 15
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 15
- 238000011156 evaluation Methods 0.000 claims description 14
- 230000005540 biological transmission Effects 0.000 claims description 9
- 239000013307 optical fiber Substances 0.000 claims description 8
- 238000005259 measurement Methods 0.000 claims description 6
- 238000004458 analytical method Methods 0.000 claims description 4
- 230000010287 polarization Effects 0.000 claims description 4
- 238000010586 diagram Methods 0.000 claims description 3
- 230000002441 reversible effect Effects 0.000 claims description 2
- 230000035945 sensitivity Effects 0.000 abstract description 2
- 238000004364 calculation method Methods 0.000 description 7
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- 238000005457 optimization Methods 0.000 description 2
- 230000002238 attenuated effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000005314 correlation function Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
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- 230000010365 information processing Effects 0.000 description 1
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- 238000000691 measurement method Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
- G01M11/30—Testing of optical devices, constituted by fibre optics or optical waveguides
- G01M11/33—Testing of optical devices, constituted by fibre optics or optical waveguides with a light emitter being disposed at one fibre or waveguide end-face, and a light receiver at the other end-face
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
- G01J1/4257—Photometry, e.g. photographic exposure meter using electric radiation detectors applied to monitoring the characteristics of a beam, e.g. laser beam, headlamp beam
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J9/00—Measuring optical phase difference; Determining degree of coherence; Measuring optical wavelength
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- Spectroscopy & Molecular Physics (AREA)
- Optics & Photonics (AREA)
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- Lasers (AREA)
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CN202010321268.0A CN111473953B (en) | 2020-04-22 | 2020-04-22 | Fiber laser mode decomposition method based on phase recovery and implementation device thereof |
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CN202010321268.0A CN111473953B (en) | 2020-04-22 | 2020-04-22 | Fiber laser mode decomposition method based on phase recovery and implementation device thereof |
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CN111473953A true CN111473953A (en) | 2020-07-31 |
CN111473953B CN111473953B (en) | 2022-01-11 |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112003114A (en) * | 2020-08-04 | 2020-11-27 | 中国科学院上海光学精密机械研究所 | Mode control system and control method of fiber laser with multimode fiber output |
CN112816181A (en) * | 2020-12-29 | 2021-05-18 | 中国人民解放军国防科技大学 | High-speed real-time optical fiber laser mode detection method and detection device thereof |
CN113219482A (en) * | 2021-04-08 | 2021-08-06 | 三明学院 | Laser monitoring device and monitoring method capable of improving energy utilization rate |
CN113376448A (en) * | 2021-04-29 | 2021-09-10 | 北京邮电大学 | Method and device for quiet zone phase recovery in compact range test |
CN114448506A (en) * | 2021-12-20 | 2022-05-06 | 中国人民解放军国防科技大学 | High-speed optical fiber laser mode analysis system suitable for multiple high-order mode measurement |
Citations (5)
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CN105865750A (en) * | 2016-05-25 | 2016-08-17 | 成都英鑫光电科技有限公司 | Optical fiber defect detecting method and device |
CN106568581A (en) * | 2016-11-15 | 2017-04-19 | 中电科天之星激光技术(上海)有限公司 | Optical fiber numerical aperture measuring method |
CN106707523A (en) * | 2017-01-19 | 2017-05-24 | 宁波纳美致生物科技有限公司 | Mechanical stress free multimode fiber beam speckle homogenization system |
CN107607195A (en) * | 2017-08-07 | 2018-01-19 | 南京理工大学 | A kind of beam quality measuring method obtained in real time based on complex amplitude |
CN110160751A (en) * | 2019-05-16 | 2019-08-23 | 浙江大学 | A kind of wide-band wavefront error detection device and detection method based on phase recovery |
-
2020
- 2020-04-22 CN CN202010321268.0A patent/CN111473953B/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN105865750A (en) * | 2016-05-25 | 2016-08-17 | 成都英鑫光电科技有限公司 | Optical fiber defect detecting method and device |
CN106568581A (en) * | 2016-11-15 | 2017-04-19 | 中电科天之星激光技术(上海)有限公司 | Optical fiber numerical aperture measuring method |
CN106707523A (en) * | 2017-01-19 | 2017-05-24 | 宁波纳美致生物科技有限公司 | Mechanical stress free multimode fiber beam speckle homogenization system |
CN107607195A (en) * | 2017-08-07 | 2018-01-19 | 南京理工大学 | A kind of beam quality measuring method obtained in real time based on complex amplitude |
CN110160751A (en) * | 2019-05-16 | 2019-08-23 | 浙江大学 | A kind of wide-band wavefront error detection device and detection method based on phase recovery |
Non-Patent Citations (1)
Title |
---|
黄良金: "大功率光纤激光器的模式分解及模式控制", 《中国优秀博硕士学位论文全文数据库(博士)信息科技辑》 * |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112003114A (en) * | 2020-08-04 | 2020-11-27 | 中国科学院上海光学精密机械研究所 | Mode control system and control method of fiber laser with multimode fiber output |
CN112816181A (en) * | 2020-12-29 | 2021-05-18 | 中国人民解放军国防科技大学 | High-speed real-time optical fiber laser mode detection method and detection device thereof |
CN112816181B (en) * | 2020-12-29 | 2023-03-14 | 中国人民解放军国防科技大学 | High-speed real-time optical fiber laser mode detection method and detection device thereof |
CN113219482A (en) * | 2021-04-08 | 2021-08-06 | 三明学院 | Laser monitoring device and monitoring method capable of improving energy utilization rate |
CN113219482B (en) * | 2021-04-08 | 2024-05-03 | 三明学院 | Laser monitoring device capable of improving energy utilization rate and monitoring method |
CN113376448A (en) * | 2021-04-29 | 2021-09-10 | 北京邮电大学 | Method and device for quiet zone phase recovery in compact range test |
CN113376448B (en) * | 2021-04-29 | 2023-02-28 | 北京邮电大学 | Method and device for quiet zone phase recovery in compact range test |
CN114448506A (en) * | 2021-12-20 | 2022-05-06 | 中国人民解放军国防科技大学 | High-speed optical fiber laser mode analysis system suitable for multiple high-order mode measurement |
CN114448506B (en) * | 2021-12-20 | 2023-09-22 | 中国人民解放军国防科技大学 | High-speed fiber laser mode analysis system suitable for measuring multiple high-order modes |
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CB03 | Change of inventor or designer information | ||
CB03 | Change of inventor or designer information |
Inventor after: Han Zhigang Inventor after: Li Junbo Inventor after: Wang Tao Inventor after: Zhu Rihong Inventor after: Ji Kunhao Inventor after: Meng Lingqiang Inventor after: Zhan Yong Inventor after: Liu Yixuan Inventor after: Zhang Xiaoyu Inventor before: Li Junbo Inventor before: Han Zhigang Inventor before: Wang Tao Inventor before: Zhu Rihong Inventor before: Ji Kunhao Inventor before: Meng Lingqiang Inventor before: Zhan Yong Inventor before: Liu Yixuan Inventor before: Zhang Xiaoyu |