JPWO2021124790A1 - - Google Patents
Info
- Publication number
- JPWO2021124790A1 JPWO2021124790A1 JP2021565392A JP2021565392A JPWO2021124790A1 JP WO2021124790 A1 JPWO2021124790 A1 JP WO2021124790A1 JP 2021565392 A JP2021565392 A JP 2021565392A JP 2021565392 A JP2021565392 A JP 2021565392A JP WO2021124790 A1 JPWO2021124790 A1 JP WO2021124790A1
- Authority
- JP
- Japan
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
- H01S3/13—Stabilisation of laser output parameters, e.g. frequency or amplitude
- H01S3/1303—Stabilisation of laser output parameters, e.g. frequency or amplitude by using a passive reference, e.g. absorption cell
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/35—Non-linear optics
- G02F1/39—Non-linear optics for parametric generation or amplification of light, infrared or ultraviolet waves
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C19/00—Gyroscopes; Turn-sensitive devices using vibrating masses; Turn-sensitive devices without moving masses; Measuring angular rate using gyroscopic effects
- G01C19/58—Turn-sensitive devices without moving masses
- G01C19/64—Gyrometers using the Sagnac effect, i.e. rotation-induced shifts between counter-rotating electromagnetic beams
- G01C19/72—Gyrometers using the Sagnac effect, i.e. rotation-induced shifts between counter-rotating electromagnetic beams with counter-rotating light beams in a passive ring, e.g. fibre laser gyrometers
- G01C19/721—Details, e.g. optical or electronical details
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/35—Non-linear optics
- G02F1/37—Non-linear optics for second-harmonic generation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/06—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
- H01S5/068—Stabilisation of laser output parameters
- H01S5/0683—Stabilisation of laser output parameters by monitoring the optical output parameters
- H01S5/0687—Stabilising the frequency of the laser
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F2203/00—Function characteristic
- G02F2203/56—Frequency comb synthesizer
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/005—Optical components external to the laser cavity, specially adapted therefor, e.g. for homogenisation or merging of the beams or for manipulating laser pulses, e.g. pulse shaping
- H01S5/0078—Optical components external to the laser cavity, specially adapted therefor, e.g. for homogenisation or merging of the beams or for manipulating laser pulses, e.g. pulse shaping for frequency filtering
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/005—Optical components external to the laser cavity, specially adapted therefor, e.g. for homogenisation or merging of the beams or for manipulating laser pulses, e.g. pulse shaping
- H01S5/0085—Optical components external to the laser cavity, specially adapted therefor, e.g. for homogenisation or merging of the beams or for manipulating laser pulses, e.g. pulse shaping for modulating the output, i.e. the laser beam is modulated outside the laser cavity
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/005—Optical components external to the laser cavity, specially adapted therefor, e.g. for homogenisation or merging of the beams or for manipulating laser pulses, e.g. pulse shaping
- H01S5/0092—Optical components external to the laser cavity, specially adapted therefor, e.g. for homogenisation or merging of the beams or for manipulating laser pulses, e.g. pulse shaping for nonlinear frequency conversion, e.g. second harmonic generation [SHG] or sum- or difference-frequency generation outside the laser cavity
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Optics & Photonics (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Plasma & Fusion (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Gyroscopes (AREA)
- Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2019230925 | 2019-12-20 | ||
| JP2019230925 | 2019-12-20 | ||
| PCT/JP2020/043273 WO2021124790A1 (ja) | 2019-12-20 | 2020-11-19 | 光ファイバジャイロスコープ用光源装置及びそれを用いた光ファイバジャイロスコープ |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JPWO2021124790A1 true JPWO2021124790A1 (https=) | 2021-06-24 |
| JPWO2021124790A5 JPWO2021124790A5 (https=) | 2022-09-06 |
| JP7296151B2 JP7296151B2 (ja) | 2023-06-22 |
Family
ID=76477220
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2021565392A Active JP7296151B2 (ja) | 2019-12-20 | 2020-11-19 | 光ファイバジャイロスコープ用光源装置及びそれを用いた光ファイバジャイロスコープ |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US12266900B2 (https=) |
| EP (1) | EP4080163B1 (https=) |
| JP (1) | JP7296151B2 (https=) |
| AU (1) | AU2020408508B2 (https=) |
| WO (1) | WO2021124790A1 (https=) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024024032A1 (ja) * | 2022-07-28 | 2024-02-01 | 国立大学法人東京工業大学 | 光ファイバジャイロスコープ用光源装置 |
| US20260009644A1 (en) | 2022-10-07 | 2026-01-08 | Institute Of Science Tokyo | Phase modulation signal generating device for fiber-optic gyroscope |
| US12535320B2 (en) | 2023-05-11 | 2026-01-27 | Honeywell International Inc. | Resonant optical gyroscope with a broadband light source and RIN reduction techniques |
| US12546603B2 (en) | 2023-07-21 | 2026-02-10 | Honeywell International Inc. | Optical gyroscope with broadband comb interrogation |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07324938A (ja) * | 1994-05-31 | 1995-12-12 | Tokimec Inc | 光ファイバジャイロ |
| JP2010532004A (ja) * | 2007-05-17 | 2010-09-30 | 株式会社東芝 | 光子間に干渉を生成するための光学系 |
| JP2016017952A (ja) * | 2014-07-11 | 2016-02-01 | 株式会社東芝 | 超音波流量計 |
| JP2019522218A (ja) * | 2016-06-20 | 2019-08-08 | イクスブルー | 測定システム及びかかるシステムを含むジャイロスコープ |
| JP2019522817A (ja) * | 2016-06-24 | 2019-08-15 | エヌピーエル マネージメント リミテッド | 非相反光伝搬システムおよび方法 |
| JP2019529881A (ja) * | 2016-09-20 | 2019-10-17 | ザ ボード オブ トラスティーズ オブ ザ リーランド スタンフォード ジュニア ユニバーシティＴｈｅ Ｂｏａｒｄ ｏｆ Ｔｒｕｓｔｅｅｓ ｏｆ ｔｈｅ Ｌｅｌａｎｄ Ｓｔａｎｆｏｒｄ Ｊｕｎｉｏｒ Ｕｎｉｖｅｒｓｉｔｙ | 光学系およびホワイトノイズ変調を用いてレーザ駆動光源を利用する方法 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8921460D0 (en) | 1989-09-22 | 1990-05-30 | British Aerospace | Electronic compensation in ring laser gyros |
| JP2005172651A (ja) | 2003-12-12 | 2005-06-30 | Nippon Telegr & Teleph Corp <Ntt> | 光ジャイロ |
| US8514400B2 (en) * | 2010-03-23 | 2013-08-20 | Oewaves, Inc. | Optical gyroscope sensors based on optical whispering gallery mode resonators |
| US9354064B2 (en) | 2014-07-07 | 2016-05-31 | Honeywell International Inc. | Resonator fiber optic gyroscope employing common cavity length modulation along with high bandwidth laser stabilization |
| US10741989B2 (en) * | 2015-01-23 | 2020-08-11 | Arizona Board Of Regents On Behalf Of The University Of Arizona | All-fiber bidirectional synchronously pumped ultrafast ring oscillator for precision sensing |
| WO2019191647A1 (en) * | 2018-03-29 | 2019-10-03 | The Trustees Of Columbia University In The City Of New York | Fully integrated chip platform for electrically pumped frequency comb generation |
| US10337867B1 (en) | 2018-04-13 | 2019-07-02 | Northrop Grumman Systems Corporation | Symmetrical wavelength multiplexor for fiber optic gyro source |
| US11011882B2 (en) * | 2018-09-05 | 2021-05-18 | Government Of The United States Of America, As Represented By The Secretary Of Commerce | Ultrafast electro-optic laser |
| US11681200B2 (en) * | 2019-05-10 | 2023-06-20 | Purdue Research Foundation | Optical quantum logic for use in large operational spaces |
-
2020
- 2020-11-19 AU AU2020408508A patent/AU2020408508B2/en active Active
- 2020-11-19 WO PCT/JP2020/043273 patent/WO2021124790A1/ja not_active Ceased
- 2020-11-19 EP EP20902358.9A patent/EP4080163B1/en active Active
- 2020-11-19 JP JP2021565392A patent/JP7296151B2/ja active Active
- 2020-11-19 US US17/786,646 patent/US12266900B2/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07324938A (ja) * | 1994-05-31 | 1995-12-12 | Tokimec Inc | 光ファイバジャイロ |
| JP2010532004A (ja) * | 2007-05-17 | 2010-09-30 | 株式会社東芝 | 光子間に干渉を生成するための光学系 |
| JP2016017952A (ja) * | 2014-07-11 | 2016-02-01 | 株式会社東芝 | 超音波流量計 |
| JP2019522218A (ja) * | 2016-06-20 | 2019-08-08 | イクスブルー | 測定システム及びかかるシステムを含むジャイロスコープ |
| JP2019522817A (ja) * | 2016-06-24 | 2019-08-15 | エヌピーエル マネージメント リミテッド | 非相反光伝搬システムおよび方法 |
| JP2019529881A (ja) * | 2016-09-20 | 2019-10-17 | ザ ボード オブ トラスティーズ オブ ザ リーランド スタンフォード ジュニア ユニバーシティＴｈｅ Ｂｏａｒｄ ｏｆ Ｔｒｕｓｔｅｅｓ ｏｆ ｔｈｅ Ｌｅｌａｎｄ Ｓｔａｎｆｏｒｄ Ｊｕｎｉｏｒ Ｕｎｉｖｅｒｓｉｔｙ | 光学系およびホワイトノイズ変調を用いてレーザ駆動光源を利用する方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| US12266900B2 (en) | 2025-04-01 |
| EP4080163A1 (en) | 2022-10-26 |
| JP7296151B2 (ja) | 2023-06-22 |
| AU2020408508B2 (en) | 2023-09-21 |
| WO2021124790A1 (ja) | 2021-06-24 |
| EP4080163A4 (en) | 2024-04-10 |
| EP4080163B1 (en) | 2025-06-11 |
| AU2020408508A1 (en) | 2022-07-28 |
| US20230030335A1 (en) | 2023-02-02 |
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