Patents-Review.com
ClassID:

215932 ⎘

H01S5/1039 - CPC Classification

Classification description:

Semiconductor lasers; Construction or shape of the optical resonator, e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region Details on the cavity length

Recent Application in this class:
#1
20250279629
2025-09-04

WAVELENGTH-VARIABLE LASER

 #2
20250060594
2025-02-20

WEARABLE LASER BASED DISPLAY METHOD AND SYSTEM

 #3
20240413612
2024-12-12

Control Of Current Spread In Semiconductor Laser Devices

 #4
20240291240
2024-08-29

WAVELENGTH-VARIABLE LASER

 #5
20240250500
2024-07-25

MONOLITHIC INTEGRATED MULTI-SEGMENT CASCADE OPTICAL FREQUENCY COMB AND CHIP THEREOF

 #6
20240195149
2024-06-13

LASER

 #7
20240146030
2024-05-02

SEMICONDUCTOR DEVICE

 #8
20240113504
2024-04-04

EXTENDED-CAVITY DIODE LASER COMPONENT AND METHOD FOR PRODUCING SAME

 #9
20240097404
2024-03-21

HIGH-POWER, SINGLE-SPATIAL-MODE QUANTUM CASCADE LASERS

 #10
20240047939
2024-02-08

BANDWITH ENHANCED DFB+R LITE LASER

 #11
20240039239
2024-02-01

SEMICONDUCTOR LASER HAVING IMPROVED FACET RELIABILITY

 #12
20240027766
2024-01-25

Wearable laser based display method and system

 #13
20240006848
2024-01-04

Optical Semiconductor Device

 #14
20230223740
2023-07-13

SEMICONDUCTOR LASER ELEMENT

 #15
20230198231
2023-06-22

Semiconductor Laser Component and Method for Operating at Least One Semiconductor Laser

 #16
20230187906
2023-06-15

Wavelength-variable laser

 #17
20230187903
2023-06-15

Tunable Laser Diode

 #18
20230104488
2023-04-06

Control of current spread in semiconductor laser devices

 #19
20230064493
2023-03-02

Intelligent visible light with a gallium and nitrogen containing laser source

 #20
20220407282
2022-12-22

Semiconductor laser element, semiconductor laser array and processing apparatus

 #21
20220337026
2022-10-20

Optical transmitter

 #22
20220255623
2022-08-11

Laser based white light source configured for communication

 #23
20220131342
2022-04-28

Integrated-optics-based external-cavity laser configured for mode-hop-free wavelength tuning

 #24
20220131334
2022-04-28

External-cavity laser device, corresponding system and method

 #25
20220085575
2022-03-17

Silicon-photonics-based semiconductor optical amplifier with N-doped active layer

 #26
20220029384
2022-01-27

TUNABLE DUAL AND MULTIPLE WAVELENGTH LASER SYSTEM

 #27
20210376928
2021-12-02

Intelligent visible light with a gallium and nitrogen containing laser source

 #28
20210367409
2021-11-25

Edge-emitting laser diode with improved power stability

 #29
20210344168
2021-11-04

Nanolaser based on depth-subwavelength graphene-dielectric hyperbolic dispersive cavity

 #30
20210305781
2021-09-30

Ultra-low noise, highly stable single-mode operation, high power, Bragg grating based semiconductor laser

 #31
20210215319
2021-07-15

Violet and ultraviolet illumination device configured with a gallium and nitrogen containing laser source

 #32
20210210929
2021-07-08

Wavelength-variable laser

 #33
20210184436
2021-06-17

Wavelength-variable laser

 #34
20210159977
2021-05-27

Laser based white light source configured for communication

 #35
20210057882
2021-02-25

Vertical cavity surface emitting laser element and electronic apparatus

 #36
20210018161
2021-01-21

Infrared illumination device configured with a gallium and nitrogen containing laser source

 #37
20210006040
2021-01-07

Light emitting element to control an oscillation wavelength

 #38
20200403696
2020-12-24

Intelligent visible light with a gallium and nitrogen containing laser source

 #39
20200333605
2020-10-22

Wearable laser based display method and system

 #40
20200287354
2020-09-10

Nitride semiconductor element

 #41
20200274327
2020-08-27

Multi-wavelength semiconductor comb lasers

 #42
20200244036
2020-07-30

III-nitride surface-emitting laser and method of fabrication

 #43
20200243477
2020-07-30

DIE BONDING APPARATUS AND DIE BONDING METHOD

 #44
20200228204
2020-07-16

Fiber delivered laser based white light source configured for communication

 #45
20200227891
2020-07-16

Widely tunable short-cavity laser

 #46
20200203919
2020-06-25

Monolithic integrated semiconductor random laser

 #47
20200067279
2020-02-27

Wavelength-variable laser

 #48
20200067267
2020-02-27

Nitride light emitter

 #49
20200052463
2020-02-13

Reservoir computing system using laser apparatus with fiber feedback and ring resonator

 #50
20200036162
2020-01-30

LASER

 #51
20200028329
2020-01-23

INHERENTLY SAFE LASER ARRANGEMENT COMPRISING A VERTICAL CAVITY SURFACE EMITTING LASER

 #52
20190372307
2019-12-05

Ultra-low noise, highly stable single-mode operation, high power, Bragg grating based semiconductor laser

 #53
20190334618
2019-10-31

Smart laser light for communication

 #54
20190326988
2019-10-24

Smart laser light for a vehicle

 #55
20190280462
2019-09-12

Laser device

 #56
20190221999
2019-07-18

Semiconductor laser device, manufacturing method thereof, and light emitting device

 #57
20190214789
2019-07-11

Guiding and confining of electromagnetic modes in low-index materials

 #58
20190173263
2019-06-06

Surface emitting laser element

 #59
20190173262
2019-06-06

Semiconductor laser, electronic apparatus, and method of driving semiconductor laser

 #60
20190157841
2019-05-23

Ultra-low noise, highly stable single-mode operation, high power, Bragg grating based semiconductor laser

 #61
20190157840
2019-05-23

Ultra-low noise, highly stable single-mode operation, high power, Bragg grating based semiconductor laser

 #62
20190123515
2019-04-25

Semiconductor device

 #63
20190115727
2019-04-18

QCL with wide active region and thinned stages and related methods

 #64
20190097722
2019-03-28

Intelligent visible light with a gallium and nitrogen containing laser source

 #65
20190058304
2019-02-21

Mode-locked semiconductor laser capable of changing output-comb frequency spacing

 #66
20190013647
2019-01-10

Semiconductor laser device

 #67
20190013645
2019-01-10

Wavelength Stabilized Diode Laser

 #68
20180366911
2018-12-20

Quantum cascade laser, light emitting device, method for fabricating a semiconductor laser

 #69
20180331503
2018-11-15

Wavelength-variable laser

 #70
20180323579
2018-11-08

Semiconductor laser device, chip on submount, and semiconductor laser module

 #71
20180316155
2018-11-01

Multi-wavelength laser apparatus

 #72
20180309267
2018-10-25

Optical device and method for controlling such a device

 #73
20180309266
2018-10-25

Laser apparatus and reservoir computing system

 #74
20180294622
2018-10-11

Multi-wavelength semiconductor comb lasers

 #75
20180269659
2018-09-20

Semiconductor laser device

 #76
20180254608
2018-09-06

Spectrally shaped tunable short-cavity laser

 #77
20180239148
2018-08-23

Wearable laser based display method and system

 #78
20180183212
2018-06-28

Laser devices

 #79
20180175589
2018-06-21

SEMICONDUCTOR LASER, LIGHT SOURCE UNIT, COMMUNICATION SYSTEM, AND WAVELENGTH DIVISION MULTIPLEXING OPTICAL COMMUNICATION SYSTEM

 #80
20180152001
2018-05-31

Semiconductor laser, light source unit, and laser light irradiation device

 #81
20180083422
2018-03-22

Low power edge-emitting laser diode and laser diode module

 #82
20180081184
2018-03-22

Laser array beam combiner

 #83
20180081114
2018-03-22

Light emitting device with improved gratings and method for manufacturing the device

 #84
20180054040
2018-02-22

Ultra-low noise, highly stable single-mode operation, high power, Bragg grating based semiconductor laser

 #85
20180034239
2018-02-01

SINGLE LONGITUDINAL MODE LASER DIODE SYSTEM

 #86
20170365578
2017-12-21

DIE BONDING APPARATUS AND DIE BONDING METHOD

 #87
20170256910
2017-09-07

Widely tunable short cavity laser

 #88
20170117684
2017-04-27

Vertical external cavity surface emitting laser devices allowing high coherence, high power and large tunability

 #89
20170093125
2017-03-30

Bidirectional long cavity semiconductor laser for improved power and efficiency

 #90
20170063046
2017-03-02

Semiconductor device

 #91
20170025818
2017-01-26

Rapidly tunable laser assembly

 #92
20170012405
2017-01-12

Monolithic III-V nanolaser on silicon with blanket growth

 #93
20160301193
2016-10-13

Semiconductor laser array, semiconductor laser element, semiconductor laser module, and wavelength-variable laser assembly

 #94
20160301189
2016-10-13

Widely tunable short cavity laser

 #95
20160285236
2016-09-29

Method for generating a compressed optical pulse

 #96
20160268773
2016-09-15

External resonator-type light emitting device

 #97
20160233644
2016-08-11

Wavelength tunable laser device and optical coherence tomography apparatus

 #98
20160156155
2016-06-02

Structure and method for the fabrication of a gallium nitride vertical cavity surface emitting laser

 #99
20160141836
2016-05-19

Monolithic nano-cavity light source on lattice mismatched semiconductor substrate

 #100
20160141448
2016-05-19

Monolithic nano-cavity light source on lattice mismatched semiconductor substrate

 #101
20160134080
2016-05-12

SINGLE LONGITUDINAL MODE LASER DIODE SYSTEM

 #102
20160130138
2016-05-12

Method and applications of thin-film membrane transfer

 #103
20160087405
2016-03-24

External resonator-type light emitting device

 #104
20160056614
2016-02-25

Semiconductor laser diode with shortened cavity length

 #105
20160028212
2016-01-28

Tunable short cavity laser sensor

 #106
20160028208
2016-01-28

Polarization stable widely tunable short cavity laser

 #107
20160028207
2016-01-28

Amplified widely tunable short cavity laser

 #108
20160013618
2016-01-14

Surface emitting laser and optical coherence tomography apparatus

 #109
20150349492
2015-12-03

External resonator laser

 #110
20150333472
2015-11-19

Bidirectional long cavity semiconductor laser for improved power and efficiency

 #111
20150311676
2015-10-29

Optical semiconductor device, semiconductor laser module, and optical fiber amplifier

 #112
20150255953
2015-09-10

External cavity laser with single mode-hop-free tuning

 #113
20150226606
2015-08-13

Optical system having reduced pointing-error noise

 #114
20150171595
2015-06-18

System and method for stabilizing mode locked swept laser for OCT medical imaging

 #115
20150131690
2015-05-14

Wavelength stabilized diode laser

 #116
20150131686
2015-05-14

Wavelength stabilized diode laser

 #117
20150103404
2015-04-16

Wearable laser based display method and system

 #118
20150092806
2015-04-02

Multi-bandgap semiconductor structures and methods for using them

 #119
20140369700
2014-12-18

Tunable laser emission device

 #120
20140362886
2014-12-11

External resonator type light emitting system

 #121
20140315340
2014-10-23

Laser diodes with scribe structures

 #122
20140285876
2014-09-25

Optical amplifier and optical amplifying method

 #123
20140269807
2014-09-18

Short gain cavity distributed bragg reflector laser

 #124
20140253925
2014-09-11

Surface emitting laser having a factor of equivalent refractive index constraint by scaled central wavelengths and optical coherence tomography apparatus equipped with such surface emitting laser

 #125
20140023102
2014-01-23

Structure and method for the fabrication of a gallium nitride vertical cavity surface emitting laser

 #126
20130287054
2013-10-31

Distributed feedback-laser diodes

 #127
20130083304
2013-04-04

Vertical cavity surface emitting laser, vertical cavity surface emitting laser apparatus, optical transmission apparatus, and information processing apparatus

 #128
20130070800
2013-03-21

Semiconductor laser diodes

 #129
20130044778
2013-02-21

OPTICAL SOURCES HAVING A CAVITY-MATCHED EXTERNAL CAVITY

 #130
20130016744
2013-01-17

LASER SOURCE WITH TUNABLE-GRATING-WAVEGUIDE REFLECTIONS

 #131
20120258558
2012-10-11

Method of manufacturing a semiconductor laser

 #132
20120195337
2012-08-02

Semiconductor laser

 #133
20120149141
2012-06-14

AlGaInN-based lasers produced using etched facet technology

 #134
20120142123
2012-06-07

Algainn-based lasers produced using etched facet technology

 #135
20120134380
2012-05-31

Quantum cascade laser

 #136
20120114004
2012-05-10

NITRIDE SEMICONDUCTOR LASER DEVICE AND METHOD OF MANUFACTURING THE SAME

 #137
20120114003
2012-05-10

LASER DEVICE, A LIGHT SIGNAL GENERATION DEVICE, AND AN OPTICAL RESONATOR AND A METHOD FOR PRODUCING LIGHT

 #138
20120099613
2012-04-26

Long semiconductor laser cavity in a compact chip

 #139
20120070156
2012-03-22

Semiconductor optical amplifier

 #140
20120051031
2012-03-01

Laser oscillator

 #141
20110286484
2011-11-24

System and Method of Multi-Wavelength Laser Apparatus

 #142
20110273765
2011-11-10

Semiconductor optical amplifier and optical amplification apparatus

 #143
20110261439
2011-10-27

Device and method for selective transmission of an optical signal

 #144
20110243175
2011-10-06

Segmented distributed feedback laser

 #145
20110182316
2011-07-28

Surface emitting semiconductor laser

 #146
20110168913
2011-07-14

Phase locked sideband beams by bias modulation of an external cavity laser diode having a grating

 #147
20110158280
2011-06-30

Photonic crystal surface emitting laser

 #148
20110150020
2011-06-23

II-VI MQW VSEL on a heat sink optically pumped by a GaN LD

 #149
20110142085
2011-06-16

Coupled Cavity Laser Diode for Generating Chaotic Signals

 #150
20110122899
2011-05-26

SEMICONDUCTOR LASER

 #151
20110096804
2011-04-28

Optical semiconductor device and method of controlling the same

 #152
20110076032
2011-03-31

HIGH-SPEED SPECTRAL GAIN OFFSET OPTICAL TRANSMITTER

 #153
20110063043
2011-03-17

Waveform shaping circuit and optical switching device

 #154
20110051769
2011-03-03

Semiconductor light emitting device

 #155
20110051768
2011-03-03

Semiconductor light emitting devices with non-epitaxial upper cladding

 #156
20110032967
2011-02-10

Single longitudinal mode laser diode

 #157
20110019703
2011-01-27

Wavelength tunable semiconductor laser having multiple sets of intercavity spacings

 #158
20110019702
2011-01-27

Method of tuning a semiconductor laser device having coupled cavities

 #159
20100322669
2010-12-23

RED SURFACE EMITTING LASER ELEMENT, IMAGE FORMING DEVICE, AND IMAGE DISPLAY APPARATUS

 #160
20100309941
2010-12-09

SEMICONDUCTOR LASER DEVICE

 #161
20100290495
2010-11-18

LASER DEVICE, A LIGHT SIGNAL GENERATING DEVICE, AND AN OPTICAL RESONATOR AND A METHOD FOR PRODUCING LIGHT

 #162
20100265980
2010-10-21

Semiconductor laser

 #163
20100254412
2010-10-07

Phase Modulation In A Frequency-Converted Laser Source Comprising An External Optical Feedback Component

 #164
20100246618
2010-09-30

External resonator-type wavelength tunable laser device

 #165
20100246612
2010-09-30

Mode-locked laser

 #166
20100220759
2010-09-02

Semiconductor laser and method of manufacturing semiconductor laser

 #167
20100215071
2010-08-26

SEMICONDUCTOR LASER

 #168
20100189152
2010-07-29

High power semiconductor laser diode

 #169
20100128746
2010-05-27

Littman configured frequency stepped laser

 #170
20100128745
2010-05-27

Current driven frequency-stepped radiation source and methods thereof

 #171
20100091811
2010-04-15

Low cost InGaAlN based lasers

 #172
20100091809
2010-04-15

Low Cost InGaAlN Based Lasers

 #173
20100085996
2010-04-08

NITRIDE SEMICONDUCTOR LASER DEVICE AND ITS MANUFACTURING METHOD

 #174
20100080255
2010-04-01

SEMICONDUCTOR LASER DEVICE

 #175
20100074292
2010-03-25

Semiconductor light emitting devices with non-epitaxial upper cladding

 #176
20100074289
2010-03-25

SEMICONDUCTOR LIGHT EMITTING ELEMENT

 #177
20100046562
2010-02-25

Tunable laser device and a method for producing light of respective selectable wavelengths

 #178
20100034233
2010-02-11

Surface-emission type semiconductor laser

 #179
20100034229
2010-02-11

Semiconductor laser and method of making semiconductor laser

 #180
20100020840
2010-01-28

Optical semiconductor device

 #181
20100014550
2010-01-21

Nitride semiconductor laser device

 #182
20090316429
2009-12-24

Light coupling device and system, and method for manufacturing the device and system

 #183
20090310634
2009-12-17

STABILIZED LASER SOURCE WITH VERY HIGH RELATIVE FEEDBACK AND NARROW BANDWIDTH

 #184
20090296753
2009-12-03

Semiconductor laser and optical integrated semiconductor device

 #185
20090279579
2009-11-12

Two-dimensional photonic crystal surface-emitting laser light source

 #186
20090252532
2009-10-08

Red surface emitting laser element, image forming device, and image display apparatus

 #187
20090225800
2009-09-10

VERY LOW-NOISE SEMICONDUCTOR LASER

 #188
20090213889
2009-08-27

Surface emitting laser and image forming apparatus

 #189
20090213887
2009-08-27

Semiconductor laser and method of manufacture

 #190
20090201964
2009-08-13

Semiconductor laser optical integrated semiconductor device

 #191
20090201962
2009-08-13

Semiconductor laser device

 #192
20090185584
2009-07-23

Laser oscillator

 #193
20090161704
2009-06-25

INTRACAVITY UPCONVERSION LASER

 #194
20090135876
2009-05-28

Surface-emitting laser and optical apparatus formed by using surface-emitting laser

 #195
20090129421
2009-05-21

Semiconductor laser diode

 #196
20090067465
2009-03-12

Multiple cavity etched-facet DFB lasers

 #197
20090067464
2009-03-12

Semiconductor laser device

 #198
20090034573
2009-02-05

Semiconductor laser device and fabrication method for the same

 #199
20080317080
2008-12-25

Semiconductor laser device

 #200
20080298413
2008-12-04

Low cost InGaAIN based lasers

 #201
20080298402
2008-12-04

Thermally controlled external cavity tuneable laser

 #202
20080285601
2008-11-20

External cavity semiconductor laser and method for fabrication thereof

 #203
20080267231
2008-10-30

Detuned duo-cavity laser-modulator device and method with detuning selected to minimize change in reflectivity

 #204
20080247707
2008-10-09

Optical semiconductor device and method of controlling the same

 #205
20080219310
2008-09-11

Injector emitter

 #206
20080212635
2008-09-04

HIGH EFFICIENCY DISTRIBUTED FEEDBACK (DFB) LASER WITH LOW-DUTY CYCLE GRATING

 #207
20080212631
2008-09-04

Red surface emitting laser element, image forming device, and image display apparatus

 #208
20080205476
2008-08-28

High efficiency partial distributed feedback (p-DFB) laser

 #209
20080205467
2008-08-28

Semiconductor laser device

 #210
20080198887
2008-08-21

Semiconductor laser device and method of fabricating the same

 #211
20080192789
2008-08-14

Injector laser

 #212
20080192781
2008-08-14

Semiconductor Light Emitting Device

 #213
20080181265
2008-07-31

Wavelength selective and tunable semiconductor laser device with coupled cavities

 #214
20080180776
2008-07-31

Speckle reduction laser and laser display apparatus having the same

 #215
20080175295
2008-07-24

Semiconductor laser device

 #216
20080151950
2008-06-26

Multiwavelength semiconductor laser array and method of fabricating the same

 #217
20080144680
2008-06-19

Single Mode Light Source Device Having External Cavity

 #218
20080112450
2008-05-15

Homogeneous-Beam Temperature-Stable Semiconductor Laser and Method of Production

 #219
20080095205
2008-04-24

Semiconductor laser and electronic device

 #220
20080063019
2008-03-13

Semiconductor laser device

 #221
20080044936
2008-02-21

Semiconductor laser module, optical amplifier, and method of manufacturing the semiconductor laser module

 #222
20080025349
2008-01-31

External resonator type wavelength-variable laser

 #223
20080020502
2008-01-24

Method for manufacturing semiconductor optical device

 #224
20070291799
2007-12-20

High power laser device

 #225
20070258495
2007-11-08

Semiconductor laser diode, semiconductor optical amplifier, and optical communication device

 #226
20070258494
2007-11-08

Wavelength Control of Laser Light

 #227
20070201526
2007-08-30

Vertical cavity surface emitting laser

 #228
20070166961
2007-07-19

Fabrication method of semiconductor luminescent device

 #229
20070104242
2007-05-10

Distributed-feedback semiconductor laser, distributed-feedback semiconductor laser array, and optical module

 #230
20070104237
2007-05-10

Semiconductor laser apparatus and semiconductor laser device

 #231
20070091942
2007-04-26

Laser diode generating passive mode and method of creating optical pulse using the same diode

 #232
20070076773
2007-04-05

Buried ridge waveguide laser diode

 #233
20070064759
2007-03-22

Method for manufacturing semiconductor laser device and semiconductor laser device

 #234
20070047599
2007-03-01

Piezo activated mode tracking system for widely tunable mode-hop-free external cavity mid-IR semiconductor lasers

 #235
20070045637
2007-03-01

Low cost InGaAIN based lasers

 #236
20070019698
2007-01-25

Semiconductor laser device and method for fabricating the same

 #237
20060291514
2006-12-28

AlGaInN-based lasers produced using etched facet technology

 #238
20060285570
2006-12-21

Semiconductor laser device having an insulation region

 #239
20060274802
2006-12-07

Semiconductor optical device and module using the same

 #240
20060203868
2006-09-14

Laser diode device

 #241
20060203858
2006-09-14

Wavelength tunable semiconductor laser apparatus

 #242
20060193354
2006-08-31

External Cavity Tunable Laser and Control

 #243
20060187995
2006-08-24

Low loss grating for high efficiency wavelength stabilized high power lasers

 #244
20060187976
2006-08-24

Variable-wavelength semiconductor laser and gas sensor using same

 #245
20060159144
2006-07-20

Laser element and method for manufacturing the same

 #246
20060126693
2006-06-15

Integrated semiconductor light source

 #247
20060104321
2006-05-18

Q-MODULATED SEMICONDUCTOR LASER WITH ELECTRO-ABSORPTIVE GRATING STRUCTURES

 #248
20060088066
2006-04-27

Q-modulated semiconductor laser

 #249
20060067375
2006-03-30

Semiconductor laser array and semiconductor laser device having semiconductor laser array

 #250
20060056755
2006-03-16

Method for manufacturing selective area grown stacked-layer electro-absorption modulated laser structure

 #251
20060039652
2006-02-23

Apparatus for stabilizing laser wavelength

 #252
20060039424
2006-02-23

External cavity laser with multiple stabilized modes

 #253
20060013273
2006-01-19

Monolithic wavelength stabilized asymmetric laser

 #254
20060007976
2006-01-12

Semiconductor laser device

 #255
20050286571
2005-12-29

Tunable spectroscopic source with power stability and method of operation

 #256
20050265410
2005-12-01

Semiconductor laser diode package

 #257
20050249259
2005-11-10

Semiconductor laser module and optical transmission apparatus using the semiconductor laser module

 #258
20050243882
2005-11-03

DUAL-WAVELENGTH SEMICONDUCTOR LASER

 #259
20050232327
2005-10-20

Integrated semiconductor laser diode module and manufacturing method of the same

 #260
20050232325
2005-10-20

Semiconductor laser

 #261
20050226283
2005-10-13

SINGLE-MODE SEMICONDUCTOR LASER WITH INTEGRATED OPTICAL WAVEGUIDE FILTER

 #262
20050201440
2005-09-15

Semiconductor laser element having InGaAs compressive-strained quantum-well active layer

 #263
20050201437
2005-09-15

Semiconductor laser

 #264
20050195875
2005-09-08

Semiconductor laser element having tensile-strained quantum-well active layer

 #265
20050180480
2005-08-18

Semiconductor laser apparatus, laser coupler, data reproduction apparatus, data recording apparatus and production method of semiconductor laser apparatus

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