ClassID:

216222

H01S2302/00 - CPC Classification

Classification description:

Amplification / lasing wavelength

Sub-classes:
Recent Application in this class:
#1
20260118055
2026-04-30

Infrared Heater / Dryer

#2
20250383185
2025-12-18

LASER DETERRENT APPARATUS, METHOD, AND SYSTEM

#3
20250372949
2025-12-04

MID-INFRARED EMITTING QUANTUM CASCADE LASER

#4
20250327905
2025-10-23

PULSED FIBER-LASER ARCHITECTURE

#5
20250273919
2025-08-28

MULTI-BAND ERBIUM DOPED FIBER OPTICAL AMPLIFIER

#6
20250141175
2025-05-01

L++ BAND AMPLIFIER

#7
20250007230
2025-01-02

APPARATUS AND METHOD FOR EMITTING MULTI-WAVELENGTH LASER

#8
20240429673
2024-12-26

INTRINSICALLY POLARIZED HIGH ENERGY MODE-LOCKED LASER OSCILLATOR OPERATING AT TWO-MICROMETER WAVELENGTH

#9
20240421562
2024-12-19

Systems including one or more VCSELs, for receiving a three dimensional (3D) map of at least a part of a body of a user

#10
20240413607
2024-12-12

KINK-FREE HIGH FILL-FACTOR BROAD AREA SEMICONDUCTOR LASER ON AN OFF-CUT SUBSTRATE

#11
20240405514
2024-12-05

SEMICONDUCTOR OPTICAL ELEMENT, MEASUREMENT DEVICE AND LIGHT SOURCE DEVICE USING SEMICONDUCTOR OPTICAL ELEMENT, AND METHOD OF MANUFACTURING SEMICONDUCTOR OPTICAL ELEMENT

#12
20240396290
2024-11-28

INFRARED EMITTER PACKAGE

#13
20240339798
2024-10-10

Multi-wavelength mid-infrared laser pulse train cavity dumped laser based on Nd:MgO:APLN crystal

#14
20240332883
2024-10-03

MULTI BAND, CONTINUOUSLY TUNABLE, ULTRASHORT PULSE FIBER LASER

#15
20240313499
2024-09-19

Pulsed Laser System

#16
20240275120
2024-08-15

2.8 MICROMETER AND 3.5 MICROMETER DUAL-WAVELENGTH MID-INFRAREDFIBER LASER

#17
20240235146
2024-07-11

LASER SYSTEM

#18
20240222937
2024-07-04

MULTILAYER STRUCTURES MADE OF INDIUM PHOSPHIDE OR GALLIUM ARSENIDE

#19
20240162678
2024-05-16

COMPACT, HIGH POWER MID-WAVE INFRARED (MWIR) LASER SYSTEM

#20
20240162675
2024-05-16

Dual-Band ASE Source Utilizing A Reflective Topology

#21
20240136785
2024-04-25

LASER SYSTEM

#22
20240128705
2024-04-18

GAS LASER AMPLIFIER, GAS LASER APPARATUS, EUV LIGHT GENERATION APPARATUS, AND EUV EXPOSURE APPARATUS

#23
20240128701
2024-04-18

ULTRAVIOLET LASER DEVICE AND ELECTRONIC DEVICE MANUFACTURING METHOD

#24
20240106186
2024-03-28

COMPOSITE FIBER LASER ASSEMBLY

#25
20240091551
2024-03-21

DEVICES AND METHODS FOR LIGHT THERAPY

#26
20240063607
2024-02-22

LASER SENSOR AND METHOD OF MANUFACTURING A LASER SENSOR

#27
20240056065
2024-02-15

ULTRAFAST ELECTRIC PULSE GENERATION AND DETECTION DEVICE AND USE METHOD THEREOF

#28
20240030673
2024-01-25

MAGNETIC SWITCH WITH IMPEDANCE CONTROL FOR AN OPTICAL SYSTEM

#29
20240027873
2024-01-25

WAVELENGTH-TUNABLE SOURCE OF PULSED LASER RADIATION FOR VIS-NIR SPECTROSCOPY

#30
20240012195
2024-01-11

LOW SCATTERING LOSS HIGH TEMPERATURE STABLE FIBER BRAGG GRATING SENSOR BASED ON MICROPORE FORMATION AND METHOD FOR PRODUCING SAME

#31
20230344190
2023-10-26

INTRACAVITY FREQUENCY CONVERSION IN SOLID-STATE LASER RESONATOR WITH END-PUMPING

#32
20230291182
2023-09-14

Device including a multiple-wavelength vertical-cavity surface-emitting laser (VCSEL) array

#33
20230253752
2023-08-10

Laser oscillation amplifier comprising semiconductor laser shaping device

#34
20230231361
2023-07-20

MINIATURIZED MASTER OSCILLATOR POWER-AMPLIFIER STRUCTURE DIODE-PUMPED SOLID-STATE LASER

#35
20230163567
2023-05-25

SURFACE EMITTING QUANTUM CASCADE LASER

#36
20230048286
2023-02-16

BLUE LASER OPERATING AT THE H-BETA FRAUNHOFER LINE

#37
20230025089
2023-01-26

Universal Laser for Polymeric Material Processing

#38
20220385025
2022-12-01

ULTRAVIOLET LASER APPARATUS

#39
20200403703
2020-12-24

Laser module for optical data communication system

#40
20200014166
2020-01-09

Terahertz lasers and terahertz extraction

#41
20190379175
2019-12-12

Optical fiber amplifier

#42
20180062350
2018-03-01

Movable diffraction grating, method of manufacturing the same, and external resonator type laser module

#43
20180019820
2018-01-18

Laser module for optical data communication system

#44
20170343730
2017-11-30

Single mode propagation in fibers and rods with large leakage channels

#45
20160291247
2016-10-06

Single mode propagation in fibers and rods with large leakage channels

#46
20160033397
2016-02-04

Resonant optical transducers for in-situ gas detection

#47
20150036703
2015-02-05

Single mode propagation in fibers and rods with large leakage channels

#48
20140218789
2014-08-07

Seeded optical amplifier apparatus for producing Femtosecond pulses

#49
20140044139
2014-02-13

Single mode propagation in fibers and rods with large leakage channels

#50
20140029085
2014-01-30

Resonant optical transducers for in-situ gas detection

#51
20140016184
2014-01-16

High-power optical fibre laser

#52
20130043392
2013-02-21

Mid to far infrared diamond Raman laser systems and methods

#53
20120299010
2012-11-29

Group-III nitride semiconductor device, epitaxial substrate, and method of fabricating group-III nitride semiconductor device

#54
20120236897
2012-09-20

Stripline laser

#55
20120128016
2012-05-24

III-nitride semiconductor laser diode

#56
20120112203
2012-05-10

Group-III nitride semiconductor device, method for fabricating Group-III nitride semiconductor device, and epitaxial substrate

#57
20120099609
2012-04-26

Single mode propagation in fibers and rods with large leakage channels

#58
20110306954
2011-12-15

PULSED LASER WITH AN OPTICAL FIBRE FOR HIGH-ENERGY SUB-PICOSECOND PULSES IN THE L BAND, AND LASER TOOL FOR EYE SURGERY

#59
20110255567
2011-10-20

Laser diodes comprising QWI output window and waveguide areas and methods of manufacture

#60
20110180805
2011-07-28

Group-III nitride semiconductor device, epitaxial substrate, and method of fabricating group-III nitride semiconductor device

#61
20110116147
2011-05-19

Surface emitting laser device, surface emitting laser array, optical scanning device, and image forming apparatus

#62
20110073888
2011-03-31

Group III nitride semiconductor optical device, epitaxial substrate, and method of making group III nitride semiconductor light-emitting device

#63
20110013657
2011-01-20

Gallium nitride-based semiconductor laser diode

#64
20110007763
2011-01-13

Method of making nitride semiconductor laser, method of making epitaxial wafer, and nitride semiconductor laser

#65
20110007760
2011-01-13

Source of femtosecond laser pulses

#66
20100322575
2010-12-23

Single mode propagation in fibers and rods with large leakage channels

#67
20100295054
2010-11-25

Semiconductor light-emitting element and method for fabrication the same

#68
20100238784
2010-09-23

Multiwavelength semiconductor laser and optical recording/reproducing device

#69
20100220752
2010-09-02

810 nm ultra-short pulsed fiber laser

#70
20100111125
2010-05-06

Vertical-cavity surface-emitting laser diode (VCSEL), method for fabricating VCSEL, and optical transmission apparatus

#71
20100079853
2010-04-01

Optimized cascaded raman fiber-based laser source for high efficiency mid-infrared spectral generation

#72
20100034234
2010-02-11

Semiconductor laser device and manufacturing method thereof

#73
20090303487
2009-12-10

Tunable photonic cavities for in-situ spectroscopic trace gas detection

#74
20090295902
2009-12-03

SURFACE-EMITTING LASER ARRAY, OPTICAL SCANNING DEVICE, AND IMAGE FORMING DEVICE

#75
20090268768
2009-10-29

Method of making nitride semiconductor laser, method of making epitaxial wafer, and nitride semiconductor laser

#76
20090262416
2009-10-22

CASCADE LASER

#77
20090219967
2009-09-03

Semiconductor optical device

#78
20090161713
2009-06-25

SURFACE EMITTING OPTICAL DEVICES

#79
20090161711
2009-06-25

Nitride semiconductor laser diode

#80
20090090925
2009-04-09

Semiconductor device

#81
20090034571
2009-02-05

Migration enhanced epitaxy fabrication of active regions having quantum wells

#82
20080298420
2008-12-04

Surface emitting semiconductor laser element

#83
20080298404
2008-12-04

Radiation Beam Source Device

#84
20080192782
2008-08-14

Dual Wavelength Laser Device, and System Comprising Same

#85
20070121685
2007-05-31

Laser device

#86
20070014325
2007-01-18

Optically pumped semiconductor laser

#87
20070009001
2007-01-11

Semiconductor laser device

#88
20070008999
2007-01-11

Broadened waveguide for interband cascade lasers

#89
20070001578
2007-01-04

Multiwavelength laser diode

#90
20060285566
2006-12-21

Surface-emitting laser diode with tunnel junction and fabrication method

#91
20060263024
2006-11-23

Single mode propagation in fibers and rods with large leakage channels

#92
20060258026
2006-11-16

Multi-wavelength semiconductor laser device and its manufacturing method

#93
20060246700
2006-11-02

Migration enhanced epitaxy fabrication of active regions having quantum wells

#94
20060209912
2006-09-21

Monolithic microchip laser with intracavity beam combining and sum frequency or difference frequency mixing

#95
20060189016
2006-08-24

Method of fabricating semiconductor optical device

#96
20060187995
2006-08-24

Low loss grating for high efficiency wavelength stabilized high power lasers

#97
20060153261
2006-07-13

Optically-pumped -620 nm europium doped solid state laser

#98
20060146901
2006-07-06

Holmium doped 2.1 micron crystal laser

#99
20060114535
2006-06-01

Laser light source device, hologram apparatus, and method for detecting laser light

#100
20060039432
2006-02-23

Multiple GaInNAs quantum wells for high power applications

#101
20050232323
2005-10-20

Extended wavelength strained layer lasers having nitrogen disposed therein

#102
20050202614
2005-09-15

Laser diode device with nitrogen incorporating barrier

#103
20050201665
2005-09-15

Monolithically integrated optic triplexer and method for making same

#104
20050169334
2005-08-04

Optical semiconductor device having an active layer containing N

#105
20050157765
2005-07-21

Low temperature grown layers with migration enhanced epitaxy adjacent to an InGaAsN(Sb) based active region

#106
20050142683
2005-06-30

Migration enhanced epitaxy fabrication of quantum wells

#107
20050135438
2005-06-23

L-band light source

#108
20050129078
2005-06-16

Multicomponent barrier layers in quantum well active regions to enhance confinement and speed

#109
20050123015
2005-06-09

Use of GaAs extended barrier layers between active regions containing nitrogen and AlGaAs confining layers

#110
20050056868
2005-03-17

Semiconductor optical device on an indium phosphide substrate for long operating wavelengths

#111
20050047470
2005-03-03

Laser-diode-excited laser apparatus, fiber laser apparatus, and fiber laser amplifier in which laser medium doped with one of Ho, Sm, Eu, Dy, Er, and Tb is excited with GaN-based compound laser diode

#112
20050047469
2005-03-03

Laser-diode-excited laser apparatus, fiber laser apparatus, and fiber laser amplifier in which laser medium doped with one of Ho, Sm, Eu, Dy, Er, and Tb is excited with GaN-based compound laser diode

#113
20050047468
2005-03-03

Laser-diode-excited laser apparatus, fiber laser apparatus, and fiber laser amplifier in which laser medium doped with one of Ho, Sm, Eu, Dy, Er, and Tb is excited with GaN-based compound laser diode

#114
20050047467
2005-03-03

Laser-diode-excited laser apparatus, fiber laser apparatus, and fiber laser amplifier in which laser medium doped with one of Ho3+, Sm3+, Eu3+, Dy3+, Er3+, and Tb3+ is excited with GaN-based compound laser diode

#115
20050041717
2005-02-24

Laser-diode-excited laser apparatus, fiber laser apparatus, and fiber laser amplifier in which laser medium doped with one of Ho, SM, EU, DY, ER and TB is excited with GaN-based compound laser diode

#116
20050041716
2005-02-24

Laser-diode-excited laser apparatus, fiber laser apparatus, and fiber laser amplifier in which laser medium doped with one of Ho, Sm, Eu, Dy, Er, and Tb is excited with GaN-based compound laser diode

#117
20050041708
2005-02-24

Semiconductor laser device and optical disc drive

#118
20050034661
2005-02-17

System for developing a nitrogen-containing active region

#119
18973149
2025-04-08

Broadband laser system enhanced in later part of mid infrared spectrum

#120
17843104
2024-01-02

Ultraviolet laser diode device