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1. 再颁专利

USRE50026E1 Tunable pulse width laser 有权
公开(公告)号：USRE50026E1
公开(公告)日：2024-06-25
申请号：US16741186
申请日：2020-01-13
申请人： NKT Photonics A/S
发明人： Paulo Almeida , John Redvers Clowes , Pascal Dupriez , Anatoly Borisovich Grudinin
IPC分类号： H01S3/10 , H01S3/067 , H01S3/1112 , H01S3/13 , H01S3/00 , H01S3/094 , H01S3/0941 , H01S3/16 , H01S3/23
CPC分类号： H01S3/06754 , H01S3/1112 , H01S3/0057 , H01S3/094003 , H01S3/0941 , H01S3/1618 , H01S3/2383 , H01S2301/08
摘要： A method of tuning the time duration of laser output pulses, the method including spectrally dispersing optical pulses and further comprising providing an optical pulse having a time duration and a spectral bandwidth; spectrally dispersing (243, 245) the optical pulse so as to provide a selected change in the time duration of the pulse responsive to the spectral bandwidth of the pulse; outputting (226) an optical output pulse having a first time duration that is responsive to the selected change in time duration; providing another optical pulse; changing the amount of spectral bandwidth of the another optical pulse (272) to be different than that of the optical pulse or changing the amount of spectral dispersion so that spectrally dispersing the another optical pulse provides a change in time duration that is different than the selected change; and outputting (226) another optical output pulse having a second time duration that is responsive to the different change in time duration, the second time duration of the another optical output pulse being different than the first time duration of the optical output pulse.

2. 发明授权

US10826264B2 Supercontinuum source 有权
公开(公告)号：US10826264B2
公开(公告)日：2020-11-03
申请号：US15431730
申请日：2017-02-13
申请人： NKT Photonics A/S
发明人： John Redvers Clowes , Anatoly Borisovich Grudinin , Adam Devine
IPC分类号： G02B6/02 , G02B6/26 , H01S3/00 , H01S3/23 , H01S3/067 , G02B27/10 , G02F1/365 , G02B6/28 , G02F1/35 , H01S3/16 , G02B6/028
摘要： A supercontinuum optical pulse source provides a combined supercontinuum, and can comprise one or more seed pulse sources; first and second optical amplifiers arranged along first and second respective optical paths, wherein the first and second optical amplifiers are configured to amplify one or more optical signals generated by the one or more seed pulse sources; a first microstructured light-guiding member arranged along the first optical path and configured to generate supercontinuum light responsive to an optical signal propagating along the first optical path; a second microstructured light-guiding member arranged along the second optical path and configured to generate supercontinuum light responsive to an optical signal propagating along the second optical path; a supercontinuum-combining member to combine supercontinuum generated in at least the first and second microstructured light-guiding members to form a combined supercontinuum; wherein the supercontinuum-combining member comprises an output fibre, wherein the output fibre comprises a silica-based multimode optical fibre supporting a plurality of spatial modes at one or more wavelengths of the combined supercontinuum; wherein the supercontinuum-combining member has one or more input fibres which support no more than four spatial modes at any wavelength within the combined supercontinuum; and wherein the output fibre of the supercontinuum-combining member supports no more than four spatial modes at any wavelength within the combined supercontinuum.

3. 发明授权

US10074957B2 Variable repetition rate supercontinuum pulses 有权
公开(公告)号：US10074957B2
公开(公告)日：2018-09-11
申请号：US15431111
申请日：2017-02-13
申请人： NKT Photonics A/S
发明人： John Redvers Clowes , Anatoly Borisovich Grudinin , Ian Michael Godfrey
IPC分类号： H01S3/108 , H01S3/11 , G02B21/16 , G02F1/35 , H01S3/23 , H01S3/10 , H01S3/102 , G01N21/64 , G02F1/365
CPC分类号： H01S3/11 , G01N21/6458 , G01N2021/6419 , G01N2021/6441 , G01N2201/0697 , G02B21/16 , G02F1/353 , G02F1/365 , G02F2001/3528 , H01S3/10 , H01S3/10046 , H01S3/1024 , H01S3/108 , H01S3/2308
摘要： A method of providing optical supercontinuum pulses can comprise generating optical pump pulses with an optical pump laser, the optical pump pulses having a pump pulse repetition rate; launching optical pump pulses into a nonlinear optical element comprising an optical fiber; generating optical supercontinuum pulses from the optical pump pules via spectral broadening within the optical fiber; selectively providing a plurality of different repetition rates for the optical pump pulses so as to generate optical supercontinuum pulses having different repetition rates; and providing nominally identical spectral broadening of the optical supercontinuum pules having the different repetition rates.

4. 发明公开

US20240118585A1 Optical Sources 审中-公开
公开(公告)号：US20240118585A1
公开(公告)日：2024-04-11
申请号：US18310239
申请日：2023-05-01
申请人： NKT PHOTONICS A/S
发明人： Anatoly Borisovich Grudinin , John Redvers Clowes , Pascal Dupriez , Michael Yarrow
IPC分类号： G02F1/35 , G01N21/64 , G01N21/65 , G02B21/00 , G02F1/39 , H01S3/00 , H01S3/30
CPC分类号： G02F1/3536 , G01N21/6458 , G01N21/65 , G02B21/0032 , G02B21/0076 , G02B21/0084 , G02F1/3532 , G02F1/395 , H01S3/0092 , H01S3/30 , G02F2202/32 , H01S3/005 , H01S3/067
摘要： A coherent anti-stokes Raman scattering apparatus for imaging a sample includes an optical output; an optical source arranged to generate a first optical signal at a first wavelength; and a nonlinear element arranged to receive the first optical signal, where the nonlinear element is arranged to cause the first optical signal to undergo four-wave mixing on transmission through the nonlinear element such that a second optical signal at a second wavelength and a third optical signal at a third wavelength are generated, wherein an optical signal pair including two of the first, second and third optical signals is provided to the optical output for imaging the sample.

5. 发明授权

US11675245B2 Optical sources 有权
公开(公告)号：US11675245B2
公开(公告)日：2023-06-13
申请号：US17191401
申请日：2021-03-03
申请人： NKT PHOTONICS A/S
发明人： Anatoly Borisovich Grudinin , John Redvers Clowes , Pascal Dupriez , Michael Yarrow
IPC分类号： G02F1/35 , G01N21/64 , G02B21/00 , H01S3/30 , G02F1/39 , G01N21/65 , H01S3/00 , H01S3/067 , H01S3/16
CPC分类号： G02F1/3536 , G01N21/6458 , G01N21/65 , G02B21/0032 , G02B21/0076 , G02B21/0084 , G02F1/3532 , G02F1/395 , H01S3/0092 , H01S3/30 , G01N2021/653 , G02F1/3507 , G02F1/3528 , G02F1/392 , G02F2202/32 , H01S3/005 , H01S3/067 , H01S3/06741 , H01S3/1618
摘要： A coherent anti-stokes Raman scattering apparatus for imaging a sample includes an optical output; an optical source arranged to generate a first optical signal at a first wavelength; and a nonlinear element arranged to receive the first optical signal, where the nonlinear element is arranged to cause the first optical signal to undergo four-wave mixing on transmission through the nonlinear element such that a second optical signal at a second wavelength and a third optical signal at a third wavelength are generated, wherein an optical signal pair including two of the first, second and third optical signals is provided to the optical output for imaging the sample.

6. 发明申请

US20210333685A1 Optical Sources 有权
公开(公告)号：US20210333685A1
公开(公告)日：2021-10-28
申请号：US17191401
申请日：2021-03-03
申请人： NKT PHOTONICS A/S
发明人： Anatoly Borisovich Grudinin , John Redvers Clowes , Pascal Dupriez , Michael Yarrow
IPC分类号： G02F1/35 , G01N21/64 , G02B21/00 , G02F1/39 , G01N21/65 , H01S3/00 , H01S3/30
摘要： A coherent anti-stokes Raman scattering apparatus for imaging a sample includes an optical output; an optical source arranged to generate a first optical signal at a first wavelength; and a nonlinear element arranged to receive the first optical signal, where the nonlinear element is arranged to cause the first optical signal to undergo four-wave mixing on transmission through the nonlinear element such that a second optical signal at a second wavelength and a third optical signal at a third wavelength are generated, wherein an optical signal pair including two of the first, second and third optical signals is provided to the optical output for imaging the sample.

7. 发明授权

US11038316B2 Optical pulse source apparatus with nonlinear fibre and operable to reduce the optical pulse frequency of optical output pulses 有权
公开(公告)号：US11038316B2
公开(公告)日：2021-06-15
申请号：US15017605
申请日：2016-02-06
申请人： NKT PHOTONICS A/S
发明人： John Redvers Clowes , Anatoly Borisovich Grudinin , Ian Michael Godfrey , Kestutis Vysniauskas
IPC分类号： H01S3/11 , G02F1/383 , H01S3/00 , H01S3/067 , H01S3/109 , H01S3/23 , H01S3/16
摘要： The invention can include an optical pulse source apparatus that includes the nonlinear generation of wavelengths, wherein the optical pulse source can comprise an oscillator for producing optical pulses, the optical pulses having a first wavelength; an optical fiber amplifier for amplifying optical pulses having the first wavelength; a nonlinear optical fiber receiving amplified optical pulses having the first wavelength to nonlinearly produce optical pulses that include wavelengths that are different than the first wavelength; and wherein the optical pulse source is configured so as to be operable to reduce the optical pulse frequency of the nonlinearly produced optical pulses.

8. 再颁专利

USRE47818E1 Tunable pulse width laser 有权
公开(公告)号：USRE47818E1
公开(公告)日：2020-01-14
申请号：US15486547
申请日：2017-04-13
申请人： NKT Photonics A/S
发明人： Paulo Almeida , John Redvers Clowes , Pascal Dupriez , Anatoly Borisovich Grudinin
IPC分类号： H01S3/10 , H01S3/13 , H01S3/11 , H01S3/067 , H01S3/094 , H01S3/0941 , H01S3/23 , H01S3/00 , H01S3/16
CPC分类号： H01S3/11 , H01S3/06754 , H01S3/1112 , H01S3/0057 , H01S3/0941 , H01S3/094003 , H01S3/1618 , H01S3/2383 , H01S2301/08
摘要： A method of tuning the time duration of laser output pulses, the method including spectrally dispersing optical pulses and further comprising providing an optical pulse having a time duration and a spectral bandwidth; spectrally dispersing (243, 245) the optical pulse so as to provide a selected change in the time duration of the pulse responsive to the spectral bandwidth of the pulse; outputting (226) an optical output pulse having a first time duration that is responsive to the selected change in time duration; providing another optical pulse; changing the amount of spectral bandwidth of the another optical pulse (272) to be different than that of the optical pulse or changing the amount of spectral dispersion so that spectrally dispersing the another optical pulse provides a change in time duration that is different than the selected change; and outputting (226) another optical output pulse having a second time duration that is responsive to the different change in time duration, the second time duration of the another optical output pulse being different than the first time duration of the optical output pulse.

9. 发明申请

US20170250518A1 Variable Repetition Rate Supercontinuum Pulses 审中-公开
公开(公告)号：US20170250518A1
公开(公告)日：2017-08-31
申请号：US15431111
申请日：2017-02-13
申请人： NKT Photonics A/S
发明人： John Redvers Clowes , Anatoly Borisovich Grudinin , Ian Michael Godfrey
IPC分类号： H01S3/13
CPC分类号： H01S3/11 , G01N21/6458 , G01N2021/6419 , G01N2021/6441 , G01N2201/0697 , G02B21/16 , G02F1/353 , G02F1/365 , G02F2001/3528 , H01S3/10 , H01S3/10046 , H01S3/1024 , H01S3/108 , H01S3/2308
摘要： A method of providing optical supercontinuum pulses can comprise generating optical pump pulses with an optical pump laser, the optical pump pulses having a pump pulse repetition rate; launching optical pump pulses into a nonlinear optical element comprising an optical fiber; generating optical supercontinuum pulses from the optical pump pules via spectral broadening within the optical fiber; selectively providing a plurality of different repetition rates for the optical pump pulses so as to generate optical supercontinuum pulses having different repetition rates; and providing nominally identical spectral broadening of the optical supercontinuum pules having the different repetition rates.

10. 发明申请

US20170288362A1 Supercontinuum Source 审中-公开
公开(公告)号：US20170288362A1
公开(公告)日：2017-10-05
申请号：US15431730
申请日：2017-02-13
申请人： NKT Photonics A/S
发明人： John Redvers Clowes , Anatoly Borisovich Grudinin , Adam Devine
IPC分类号： H01S3/067 , G02B6/26 , G02F1/365 , G02B27/10
摘要： A supercontinuum optical pulse source provides a combined supercontinuum, and can comprise one or more seed pulse sources; first and second optical amplifiers arranged along first and second respective optical paths, wherein the first and second optical amplifiers are configured to amplify one or more optical signals generated by the one or more seed pulse sources; a first microstructured light-guiding member arranged along the first optical path and configured to generate supercontinuum light responsive to an optical signal propagating along the first optical path; a second microstructured light-guiding member arranged along the second optical path and configured to generate supercontinuum light responsive to an optical signal propagating along the second optical path; a supercontinuum-combining member to combine supercontinuum generated in at least the first and second microstructured light-guiding members to form a combined supercontinuum; wherein the supercontinuum-combining member comprises an output fibre, wherein the output fibre comprises a silica-based multimode optical fibre supporting a plurality of spatial modes at one or more wavelengths of the combined supercontinuum; wherein the supercontinuum-combining member has one or more input fibres which support no more than four spatial modes at any wavelength within the combined supercontinuum; and wherein the output fibre of the supercontinuum-combining member supports no more than four spatial modes at any wavelength within the combined supercontinuum.

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