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公开(公告)号：US20180039155A1
公开(公告)日：2018-02-08
申请号：US15683281
申请日：2017-08-22
Applicant: NKT PHOTONICS A/S
Inventor： Carsten L. THOMSEN
CPC classification number: G02F1/365 , A61B1/06 , G02B6/0006 , G02B6/02319 , G02B6/02333 , G02B6/02342 , G02B6/4296 , G02B6/4492 , G02F2001/3528 , H01S3/302
Abstract: A method of making a microstructured optical fiber comprising loading the core and cladding materials of the fiber with hydrogen and deuterium at a loading temperature; annealing the fiber at a selected temperature Tanneal; pumping the fiber with radiation; and reducing the temperature of the fiber and storing the fiber at the reduced temperature before the step of pumping the fiber; and wherein the method allows the hydrogen and the deuterium to become bound to the core material and the cladding material.
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22.发明申请公开(公告)号：US20170351023A1
公开(公告)日：2017-12-07
申请号：US15537005
申请日：2015-12-15
Applicant: NKT PHOTONICS A/S
Inventor： Thomas Tanggaard ALKESKJOLD , Casper Laur BYG , Christian JAKOBSEN , Jens Kristian LYNGSØE , Kim G. JESPERSEN , Jeppe JOHANSEN , Martin Dybendal MAACK , Martin Erland Vestergaard PEDERSEN , Carsten L. THOMSEN
IPC: G02B6/036 , C03C13/04 , C03C25/10 , C03B37/027 , G02B6/14 , G02B6/02 , G02F1/365 , C03C25/60 , G02F1/35
CPC classification number: G02B6/03694 , C03B37/02781 , C03B37/0279 , C03B37/10 , C03B2201/02 , C03B2201/12 , C03B2201/21 , C03B2201/22 , C03B2203/14 , C03B2203/23 , C03B2203/42 , C03C13/045 , C03C13/046 , C03C25/1061 , C03C25/1062 , C03C25/1068 , C03C25/607 , C03C2201/02 , C03C2201/21 , C03C2201/22 , G02B6/02347 , G02B6/02357 , G02B6/02361 , G02B6/02366 , G02B6/02395 , G02B6/14 , G02F1/365 , G02F2001/3528
Abstract: The invention concerns a Photonic Crystal Fiber (PCF) a method of its production and a supercontinuum light source comprising such PCF. The PCF has a longitudinal axis and comprises a core extending along the length of said longitudinal axis and a cladding region surrounding the core. At least the cladding region comprises a plurality of microstructures in the form of inclusions extending along the longitudinal axis of the PCF in at least a microstructured length section. In at least a degradation resistant length section of the microstructured length section the PCF comprises hydrogen and/or deuterium. In at least the degradation resistant length section the PCF further comprises a main coating surrounding the cladding region, which main coating is hermetic for the hydrogen and/or deuterium at a temperature below Th, wherein Th is at least about 50° C., preferably 50° C.
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公开(公告)号：US20170085051A1
公开(公告)日：2017-03-23
申请号：US15362531
申请日：2016-11-28
Applicant: NKT PHOTONICS A/S
Inventor： Carsten L. THOMSEN , Thomas T. ALKESKJOLD , Erik B. THOMSEN
IPC: H01S3/067 , G02F1/365 , H01S3/00 , G01S15/89 , H01S3/094 , H01S3/0941 , G01B9/02 , G01S7/52 , G02B6/02 , H01S3/11
CPC classification number: G02B6/02376 , G01B9/02007 , G01B9/02091 , G02B6/02214 , G02B6/02333 , G02B6/02338 , G02B6/02347 , G02B6/03633 , G02F1/353 , G02F1/365 , G02F2001/3528 , G02F2202/32 , H01S3/0092 , H01S3/06725 , H01S3/06741 , H01S3/06745 , H01S3/094076 , H01S3/09415 , H01S3/11 , H01S3/113 , H01S3/1312 , H01S3/1611
Abstract: The invention relates to a supercontinuum light source comprising a microstructured optical fiber and a pump light source. The microstructured optical fiber comprises a core and a cladding region surrounding the core, as well as a first fiber length section, a second fiber length section and an intermediate fiber length section between said first and second fiber length sections. The first fiber length section comprises a core with a first characteristic core diameter. The second fiber length section comprises a core with a second characteristic core diameter, smaller than said first characteristic core diameter, where said second characteristic core diameter is substantially constant along said second fiber length section. The intermediate length section of the optical fiber comprises a core which is tapered from said first characteristic core diameter to said second characteristic core diameter over a tapered length.
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公开(公告)号：US09551647B2
公开(公告)日：2017-01-24
申请号：US13648697
申请日：2012-10-10
Applicant: NKT PHOTONICS A/S
Inventor： Carsten L. Thomsen , Frederik Donbaek Nielsen , Sascha Hauser , Eberhard Riedle , Maximilian Bradler
CPC classification number: G01N21/00 , G01N21/255 , G02F1/3501 , G02F2001/3528 , H01S3/09
Abstract: The disclosure relates to a tunable optical light source spanning the UV-range and possible also the visible and near-IR wavelengths. The tunable optical light source includes an input light source, a focusing element, a non-linear crystal arranged to convert the frequency of at least part of the output spectrum of the super continuum source, and a holding unit for the non-linear crystal. The input light source is a super continuum light source with a spectral bandwidth of at least about 300 nm and the holding unit is adjustable for changing the frequency converted output wavelength of the non-linear crystal wfc such that the lowest obtainable output wavelength wUV of said tunable light source is ultraviolet. The disclosure further relates to an illumination source and an optical measurement system.
Abstract translation: 本公开涉及跨越UV范围的可调谐光学光源以及可能的和近红外波长的可能的光学光源。 可调谐光源包括输入光源，聚焦元件，布置成转换超连续体源的输出光谱的至少一部分的频率的非线性晶体，以及用于非线性晶体的保持单元。 输入光源是具有至少约300nm的光谱带宽的超连续光源，并且保持单元可调节以改变非线性晶体wfc的频率转换输出波长，使得所述的非线性晶体wfc的最低可获得输出波长wUV 可调光源是紫外线。 本公开还涉及照明源和光学测量系统。
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25.发明申请公开(公告)号：US20160156148A1
公开(公告)日：2016-06-02
申请号：US14903772
申请日：2014-07-07
Applicant: NKT PHOTONICS A/S
Inventor： Carsten L. THOMSEN , Thomas T. ALKESKJOLD , Erik B. THOMSEN
CPC classification number: G02B6/02376 , G01B9/02007 , G01B9/02091 , G02B6/02214 , G02B6/02333 , G02B6/02338 , G02B6/02347 , G02B6/03633 , G02F1/353 , G02F1/365 , G02F2001/3528 , G02F2202/32 , H01S3/0092 , H01S3/06725 , H01S3/06741 , H01S3/06745 , H01S3/094076 , H01S3/09415 , H01S3/11 , H01S3/113 , H01S3/1312 , H01S3/1611
Abstract: The invention relates to a microstructured optical fiber for generating supercontinuum light. The optical fiber comprises a core and a cladding region surrounding the core. The optical fiber comprises a first fiber length section, a second fiber length section as well as an intermediate fiber length section between said first and second fiber length sections. The first fiber length section has a core with a first characteristic core diameter larger than about 7 μm. The second fiber length section has a core with a second characteristic core diameter, smaller than said first characteristic core diameter. The intermediate length section of the optical fiber comprises a core which is tapered from said first characteristic core diameter to said second characteristic core diameter over a tapered length. The invention also relates to a supercontinuum light source comprising an optical fiber according to the invention and a pump light source.
Abstract translation: 本发明涉及一种用于产生超连续光的微结构光纤。 光纤包括芯和围绕芯的包层区域。 光纤包括第一纤维长度部分，第二纤维长度部分以及所述第一和第二纤维长度部分之间的中间纤维长度部分。 第一纤维长度段具有第一特征芯直径大于约7μm的芯。 第二纤维长度部具有具有第二特征纤芯直径的芯，小于所述第一特征纤芯直径。 光纤的中间长度部分包括从所述第一特征芯直径到所述第二特征芯直径在锥形长度上逐渐变细的芯。 本发明还涉及一种超连续光源，其包括根据本发明的光纤和泵浦光源。
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Patent Agency Ranking
公开(公告)号：US20140091240A1
公开(公告)日：2014-04-03
申请号：US13648697
申请日：2012-10-10
Applicant: NKT PHOTONICS A/S
Inventor： Carsten L. THOMSEN , Frederik Donbaek NIELSEN , Sascha HAUSER , Eberhard RIEDLE , Maximilian BRADLER
IPC: G01N21/00
CPC classification number: G01N21/00 , G01N21/255 , G02F1/3501 , G02F2001/3528 , H01S3/09
Abstract: The disclosure relates to a tunable optical light source spanning the UV-range and possible also the visible and near-IR wavelengths. The tunable optical light source includes an input light source, a focusing element, a non-linear crystal arranged to convert the frequency of at least part of the output spectrum of the super continuum source, and a holding unit for the non-linear crystal. The input light source is a super continuum light source with a spectral bandwidth of at least about 300 nm and the holding unit is adjustable for changing the frequency converted output wavelength of the non-linear crystal wfc such that the lowest obtainable output wavelength wUV of said tunable light source is ultraviolet. The disclosure further relates to an illumination source and an optical measurement system.
Abstract translation: 本公开涉及跨越UV范围的可调谐光学光源以及可能的和近红外波长的可能的光学光源。 可调谐光源包括输入光源，聚焦元件，布置成转换超连续体源的输出光谱的至少一部分的频率的非线性晶体，以及用于非线性晶体的保持单元。 输入光源是具有至少约300nm的光谱带宽的超连续光源，并且保持单元可调节以改变非线性晶体wfc的频率转换输出波长，使得所述的非线性晶体wfc的最低可获得输出波长wUV 可调光源是紫外线。 本公开还涉及照明源和光学测量系统。
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公开(公告)号：US20250052946A1
公开(公告)日：2025-02-13
申请号：US18906325
申请日：2024-10-04
Applicant: NKT Photonics A/S
Inventor： Jens LYNGSØ , Cameron SMITH , Anders HARPØTH , Christian JAKOBSEN , Thomas Tanggard ALKESKJOLD , Irnis KUBAT
Abstract: A supercontinuum source including a pump source and a supercontinuum generator configured for receiving electromagnetic radiation derived from the pump source and for generating supercontinuum radiation, the supercontinuum generator including a nonlinear microstructured optical fibre having a core region comprising silica. The core region includes a dopant selected to reduce light-induced non-bridging oxygen hole centre loss in the nonlinear microstructured optical fibre.
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公开(公告)号：US12135453B2
公开(公告)日：2024-11-05
申请号：US18320911
申请日：2023-05-19
Applicant: NKT Photonics A/S
Inventor： Jens Lyngsø , Cameron Smith , Anders Harpøth , Christian Jakobsen , Thomas Tanggard Alkeskjold , Irnis Kubat
Abstract: A supercontinuum source including a pump source and a supercontinuum generator configured for receiving electromagnetic radiation derived from the pump source and for generating supercontinuum radiation, the supercontinuum generator including a nonlinear microstructured optical fibre having a core region comprising silica. The core region includes a dopant selected to reduce light-induced non-bridging oxygen hole centre loss in the nonlinear microstructured optical fibre.
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公开(公告)号：US20240118585A1
公开(公告)日：2024-04-11
申请号：US18310239
申请日：2023-05-01
Applicant: NKT PHOTONICS A/S
Inventor： Anatoly Borisovich Grudinin , John Redvers Clowes , Pascal Dupriez , Michael Yarrow
CPC classification number: 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
Abstract: 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.
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公开(公告)号：US20230350219A1
公开(公告)日：2023-11-02
申请号：US18339860
申请日：2023-06-22
Applicant: NKT PHOTONICS A/S
Inventor： Dmitri OULIANOV , Frederik NIELSEN , Irnis KUBAT , Thomas FEUCHTER , Timur ISKHAKOV
IPC: G02B27/28 , G02B27/09 , G02F1/1335 , G02F1/13357
CPC classification number: G02B27/286 , G02B27/0961 , G02B27/283 , G02F1/133526 , G02F1/13362
Abstract: A depolarizing homogenizer including one or more lenslet arrays, for providing a plurality of beamlets associated with different respective parts of a received beam. The depolarizing homogenizer includes a depolarizer comprising different areas which affect polarization differently, the depolarizer being positioned to cause alteration of the polarization characteristics of at least some of the plurality of beamlets. A lens is arranged to at least partially overlap the beamlets having the altered polarization characteristics.
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