JP7755209B2 - 光源 - Google Patents

光源

Info

Publication number
JP7755209B2
JP7755209B2 JP2024528037A JP2024528037A JP7755209B2 JP 7755209 B2 JP7755209 B2 JP 7755209B2 JP 2024528037 A JP2024528037 A JP 2024528037A JP 2024528037 A JP2024528037 A JP 2024528037A JP 7755209 B2 JP7755209 B2 JP 7755209B2
Authority
JP
Japan
Prior art keywords
pulse train
optical pulse
light
laser
light source
Prior art date
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.)
Active
Application number
JP2024528037A
Other languages
English (en)
Japanese (ja)
Other versions
JPWO2023243052A1 (https=
Inventor
茂雄 石橋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NTT Inc
NTT Inc USA
Original Assignee
Nippon Telegraph and Telephone Corp
NTT Inc USA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nippon Telegraph and Telephone Corp, NTT Inc USA filed Critical Nippon Telegraph and Telephone Corp
Publication of JPWO2023243052A1 publication Critical patent/JPWO2023243052A1/ja
Application granted granted Critical
Publication of JP7755209B2 publication Critical patent/JP7755209B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • H01S3/30—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range using scattering effects, e.g. stimulated Brillouin or Raman effects
    • H01S3/302—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range using scattering effects, e.g. stimulated Brillouin or Raman effects in an optical fibre
    • 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
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/02—Details
    • G01J3/10—Arrangements of light sources specially adapted for spectrometry or colorimetry
    • 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
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/28—Investigating the spectrum
    • G01J3/44—Raman spectrometry; Scattering spectrometry ; Fluorescence spectrometry
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
    • G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
    • G01N21/65—Raman scattering
    • 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
    • H01S3/005—Optical devices external to the laser cavity, specially adapted for lasers, e.g. for homogenisation of the beam or for manipulating laser pulses, e.g. pulse shaping
    • H01S3/0092—Nonlinear frequency conversion, e.g. second harmonic generation [SHG] or sum- or difference-frequency generation 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
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
    • H01S3/06—Construction or shape of active medium
    • H01S3/063—Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
    • H01S3/067—Fibre lasers
    • H01S3/06708—Constructional details of the fibre, e.g. compositions, cross-section, shape or tapering
    • H01S3/06716—Fibre compositions or doping with active elements
    • 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
    • H01S3/106—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling devices placed within the cavity
    • H01S3/108—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling devices placed within the cavity using non-linear optical devices, e.g. exhibiting Brillouin or Raman scattering
    • 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
    • H01S3/11—Mode locking; Q-switching; Other giant-pulse techniques, e.g. cavity dumping
    • H01S3/1106—Mode locking
    • H01S3/1112—Passive mode locking
    • 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
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/28—Investigating the spectrum
    • G01J3/44—Raman spectrometry; Scattering spectrometry ; Fluorescence spectrometry
    • G01J3/4412—Scattering spectrometry

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Optics & Photonics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Health & Medical Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
  • Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
JP2024528037A 2022-06-16 2022-06-16 光源 Active JP7755209B2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2022/024174 WO2023243052A1 (ja) 2022-06-16 2022-06-16 光源

Publications (2)

Publication Number Publication Date
JPWO2023243052A1 JPWO2023243052A1 (https=) 2023-12-21
JP7755209B2 true JP7755209B2 (ja) 2025-10-16

Family

ID=89192662

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2024528037A Active JP7755209B2 (ja) 2022-06-16 2022-06-16 光源

Country Status (3)

Country Link
US (1) US20250379412A1 (https=)
JP (1) JP7755209B2 (https=)
WO (1) WO2023243052A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2025243411A1 (ja) * 2024-05-21 2025-11-27 Ｎｔｔ株式会社 ２波数帯域用光源

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012237714A (ja) 2011-05-13 2012-12-06 Sony Corp 非線形ラマン分光装置、顕微分光装置及び顕微分光イメージング装置
US20140247448A1 (en) 2011-10-04 2014-09-04 Cornell University Fiber source of synchronized picosecond pulses for coherent raman microscopy and other applications
WO2015079786A1 (ja) 2013-11-27 2015-06-04 株式会社日立ハイテクノロジーズ 光計測装置及び光計測方法
JP2015175677A (ja) 2014-03-14 2015-10-05 キヤノン株式会社 計測装置
EP2982947A1 (en) 2014-08-08 2016-02-10 Baden-Württemberg Stiftung gGmbH Systems and methods for coherent Raman spectroscopy
WO2020245999A1 (ja) 2019-06-06 2020-12-10 日本電信電話株式会社 光源
WO2022009436A1 (ja) 2020-07-10 2022-01-13 日本電信電話株式会社 マルチモーダル非線形光学顕微鏡用光源

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012237714A (ja) 2011-05-13 2012-12-06 Sony Corp 非線形ラマン分光装置、顕微分光装置及び顕微分光イメージング装置
US20140247448A1 (en) 2011-10-04 2014-09-04 Cornell University Fiber source of synchronized picosecond pulses for coherent raman microscopy and other applications
WO2015079786A1 (ja) 2013-11-27 2015-06-04 株式会社日立ハイテクノロジーズ 光計測装置及び光計測方法
JP2015175677A (ja) 2014-03-14 2015-10-05 キヤノン株式会社 計測装置
EP2982947A1 (en) 2014-08-08 2016-02-10 Baden-Württemberg Stiftung gGmbH Systems and methods for coherent Raman spectroscopy
WO2020245999A1 (ja) 2019-06-06 2020-12-10 日本電信電話株式会社 光源
WO2022009436A1 (ja) 2020-07-10 2022-01-13 日本電信電話株式会社 マルチモーダル非線形光学顕微鏡用光源

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
KLIMCZAK, Mariusz et al.，Direct comparison of shot-to-shot noise performance of all normal dispersion and anomalous dispersio，Scientific Reports，2016年01月13日，6, 19284，1-14，www.nature.com/scientificreports
SYLVESTRE, T. et al.，Recent advances in supercontinuum generation in specialty optical fibers [invited]，Journal of the Optical Society of America B，2021年10月25日，Vol.38, No.12，F90-F103，https://doi.org/10.1364/JOSAB.439330

Also Published As

Publication number Publication date
WO2023243052A1 (ja) 2023-12-21
JPWO2023243052A1 (https=) 2023-12-21
US20250379412A1 (en) 2025-12-11

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