AU2020408508B2 - Light source device for fiber optic gyroscope and fiber optic gyroscope using the same - Google Patents

Light source device for fiber optic gyroscope and fiber optic gyroscope using the same Download PDF

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Publication number
AU2020408508B2
AU2020408508B2 AU2020408508A AU2020408508A AU2020408508B2 AU 2020408508 B2 AU2020408508 B2 AU 2020408508B2 AU 2020408508 A AU2020408508 A AU 2020408508A AU 2020408508 A AU2020408508 A AU 2020408508A AU 2020408508 B2 AU2020408508 B2 AU 2020408508B2
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AU
Australia
Prior art keywords
light
fiber optic
light source
laser light
optic coil
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AU2020408508A
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English (en)
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AU2020408508A1 (en
Inventor
Mikio Kozuma
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Tokyo Institute of Technology NUC
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Tokyo Institute of Technology NUC
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Classifications

    • 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
    • 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)
AU2020408508A 2019-12-20 2020-11-19 Light source device for fiber optic gyroscope and fiber optic gyroscope using the same Active AU2020408508B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2019230925 2019-12-20
JP2019-230925 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 (2)

Publication Number Publication Date
AU2020408508A1 AU2020408508A1 (en) 2022-07-28
AU2020408508B2 true AU2020408508B2 (en) 2023-09-21

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
AU2020408508A Active AU2020408508B2 (en) 2019-12-20 2020-11-19 Light source device for fiber optic gyroscope and fiber optic gyroscope using the same

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=)

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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 (1)

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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

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GB8921460D0 (en) 1989-09-22 1990-05-30 British Aerospace Electronic compensation in ring laser gyros
JPH07324938A (ja) 1994-05-31 1995-12-12 Tokimec Inc 光ファイバジャイロ
JP2005172651A (ja) 2003-12-12 2005-06-30 Nippon Telegr & Teleph Corp <Ntt> 光ジャイロ
GB2449290B (en) 2007-05-17 2010-09-22 Toshiba Res Europ Ltd An optical system
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
JP2016017952A (ja) * 2014-07-11 2016-02-01 株式会社東芝 超音波流量計
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
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GB201611046D0 (en) 2016-06-24 2016-08-10 Npl Man Ltd Optical resonator systems
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Also Published As

Publication number Publication date
US12266900B2 (en) 2025-04-01
EP4080163A1 (en) 2022-10-26
JP7296151B2 (ja) 2023-06-22
JPWO2021124790A1 (https=) 2021-06-24
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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