ClassID:

215676

H01S3/161 - CPC Classification

Classification description:

Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range characterised by the material used as the active medium; Solid materials characterised by an active (lasing) ion rare earth holmium

Recent Application in this class:
#1
20260011971
2026-01-08

Wideband Hybrid Fiber Amplifiers And Lasers Operating In The 2000 nm Wavelength Region

#2
20250327905
2025-10-23

PULSED FIBER-LASER ARCHITECTURE

#3
20250138269
2025-05-01

ALIGNMENT METHOD AND TOOLS

#4
20250087960
2025-03-13

ASE-Based Pump Source For Doped Fiber Amplifiers And Lasers

#5
20240429673
2024-12-26

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

#6
20240388054
2024-11-21

PUMPING SYSTEM FOR HIGH-POWER HOLMIUM-DOPED OPTIC FIBRE LASER

#7
20240213734
2024-06-27

SYSTEMS AND METHODS FOR CONTROLLING LASER PULSING

#8
20240178630
2024-05-30

Amplified Spontaneous Emission Source Operational In Two Micron Wavelength Region

#9
20240019657
2024-01-18

Alignment method and tools

#10
20230420907
2023-12-28

Laser Module and Methods Thereof

#11
20230246408
2023-08-03

HOLMIUM-DOPED FIBER AMPLIFIER WITH EFFICIENT LOW COST CASCADED FIBER LASER PUMPING AND A METHOD THEREFOR

#12
20230221512
2023-07-13

MEDICAL LASER DEVICE AND RELATED METHODS

#13
20230198217
2023-06-22

SCALABLE OPTICALLY PUMPED CO2 WITH HOLMIUM -DOPED PUMP SOURCE

#14
20220407281
2022-12-22

EFFICIENT ENERGY TRANSFER FROM ER3+ TO HO3+ AND DY3+ IN MID-INFRARED MATERIALS

#15
20220376459
2022-11-24

SYSTEMS AND METHODS FOR CALIBRATING LASER PULSES

#16
20220206239
2022-06-30

Alignment method and tools

#17
20220181837
2022-06-09

Polarization-Maintaining Fiber Laser Tunable Over Two Micron Region

#18
20220149581
2022-05-12

Method and device for processing active microcrystalline fiber by magnetic field induction and lasering

#19
20220021173
2022-01-20

Efficient in-band pumping of Holmium-doped optical fiber amplifiers

#20
20210367392
2021-11-25

Broadband hybrid optical amplifier operation in eye-safe wavelength region

#21
20210328400
2021-10-21

Broadband Ho-doped optical fiber amplifier

#22
20210294051
2021-09-23

Medical laser device and related methods

#23
20210226403
2021-07-22

Optical fiber amplifier for operation in two micron wavelength region

#24
20210098959
2021-04-01

Systems and methods for controlling laser pulsing

#25
20210083448
2021-03-18

All solid-state laser light source device

#26
20210036479
2021-02-04

Laser with a gain medium layer doped with a rare earth metal with upper and lower light-confining features

#27
20200400435
2020-12-24

Solid state ring laser gyroscope having a primary cavity and a pumping cavity

#28
20200233163
2020-07-23

Medical laser device and related methods

#29
20200200876
2020-06-25

Two micrometer laser transmitter for 3-D doppler wind lidar for space applications

#30
20200036155
2020-01-30

Passive Q-switching of diode-pumped laser

#31
20190356106
2019-11-21

Self-starting, passively modelocked figure eight fiber laser

#32
20190226911
2019-07-25

Long wavelength infrared detection and imaging with long wavelength infrared source

#33
20190113700
2019-04-18

Medical laser device and related methods

#34
20190101748
2019-04-04

Method for Operating a Pulsed Laser System

#35
20190079368
2019-03-14

Stable difference frequency generation using fiber lasers

#36
20190020166
2019-01-17

High energy broadband laser system, methods, and applications

#37
20180261969
2018-09-13

Systems, apparatus, and methods for laser amplification in fiber amplifiers

#38
20180161935
2018-06-14

Method of forming pores in three-dimensional objects

#39
20180159296
2018-06-07

Monolithic integrated seed and high power pump source

#40
20180102625
2018-04-12

Theta Laser

#41
20180098811
2018-04-12

Medical laser device and related methods

#42
20170256906
2017-09-07

Ultrashort pulse fiber amplifier using rare-earth doped gain fibers

#43
20170250515
2017-08-31

Ultrashort pulse fiber amplifier using rare-earth doped gain fibers

#44
20170187159
2017-06-29

Compact hybrid laser rod and laser system

#45
20170125967
2017-05-04

2097nm laser resonator and method

#46
20160294148
2016-10-06

HIGH EFFICIENCY LASER CAVITY

#47
20160248217
2016-08-25

Compact fiber short pulse laser sources

#48
20160218478
2016-07-28

Ultrashort pulse fiber amplifier using rare-earth doped gain fibers

#49
20160072249
2016-03-10

Dual wavelength pumped laser system and method

#50
20150260572
2015-09-17

Long wavelength infrared detection and imaging with long wavelength infrared source

#51
20150236470
2015-08-20

Composite laser gain medium

#52
20150055962
2015-02-26

Laser or amplifier optical device seeded with nonlinearly generated light

#53
20140268309
2014-09-18

Suppression of amplified spontaneous emission (ASE) within laser planar waveguide devices

#54
20140133503
2014-05-15

High efficiency amplification of pulsed laser output for high energy ultrafast laser systems

#55
20130278997
2013-10-24

2 micron femtosecond fiber laser

#56
20130107351
2013-05-02

Laser or amplifier optical device pumped or seeded with nonlinearly generated light

#57
20120269210
2012-10-25

Thulium and/or Holmium doped germanosilicate glasses for two micron lasers

#58
20120128013
2012-05-24

Thulium and/or Holmium doped silicate glasses for two micron lasers

#59
20110222562
2011-09-15

Mode-locked two-micron fiber lasers

#60
20110216801
2011-09-08

PROCESS FOR EMISSION OF PULSED LASER RADIATION AND ASSOCIATED LASER SOURCE

#61
20110158267
2011-06-30

Pulsed laser system with a thulium-doped saturable absorber Q-switch

#62
20110058577
2011-03-10

Thulium and/or holmium doped silicated glasses for two micron lasers

#63
20110019700
2011-01-27

Mode-locked two micron fiber lasers

#64
20100272130
2010-10-28

High-efficiency Ho:YAG laser

#65
20100246610
2010-09-30

Mid-IR laser instrument for analyzing a gaseous sample and method for using the same

#66
20100220294
2010-09-02

Short wavelength light source and optical device

#67
20090262416
2009-10-22

CASCADE LASER

#68
20090231684
2009-09-17

Multi-clad optical fibre amplifier with optimized pumping

#69
20090201966
2009-08-13

Process for a mission of pulsed laser radiation and associated laser source

#70
20090073417
2009-03-19

Coherent doppler lidar

#71
20080262577
2008-10-23

METHOD AND APPARATUS FOR TREATMENT OF SOLID MATERIAL INCLUDING HARD TISSUE

#72
20070064748
2007-03-22

Mid-IR instrument for analyzing a gaseous sample and method for using the same

#73
20070002905
2007-01-04

Low quantum defect holmium fiber laser

#74
20060245460
2006-11-02

Vertical cavity surface emitting laser (VCSEL) arrays pumped solid-state lasers

#75
20060165134
2006-07-27

Method and apparatus for producing an eye-safe laser

#76
20060146901
2006-07-06

Holmium doped 2.1 micron crystal laser

#77
20050276300
2005-12-15

Laser device using two laser media

#78
20050243407
2005-11-03

Amplification device utilizing thulium doped modified silicate optical fiber

#79
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

#80
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

#81
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

#82
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

#83
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

#84
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

#85
18973149
2025-04-08

Broadband laser system enhanced in later part of mid infrared spectrum

#86
16687333
2022-01-11

Multi-millijoule holmium laser system

#87
15949573
2019-08-20

Rare-earth-doped ternary sulfides for mid-wave and long-wave IR lasers

#88
15381521
2018-05-15

Reflection/absorption coating for metallurgical bonding to a laser gain medium