ClassID:

215741

H01S3/22 - 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 Gases

Sub-classes:
Recent Application in this class:
#1
20250364771
2025-11-27

GAS LASER APPARATUS AND ELECTRONIC DEVICE MANUFACTURING METHOD

#2
20250265937
2025-08-21

Laser Beam Based Flight Path Clearing System

#3
20200106236
2020-04-02

Laser-heated cavity system

#4
20200076150
2020-03-05

Scaling high-energy pulsed solid-state lasers to high average power

#5
20190252843
2019-08-15

Micro-refractive element stabilized resonators, lasers and multiple beam lasing

#6
20180301862
2018-10-18

Laser machining device

#7
20180254596
2018-09-06

Terahertz laser, terahertz source and use of such a terahertz laser

#8
20180034229
2018-02-01

Laser oscillator

#9
20180019567
2018-01-18

CO2 laser

#10
20180017875
2018-01-18

Lithography optics adjustment and monitoring

#11
20170279240
2017-09-28

System and method for automatic gas optimization in a two-chamber gas discharge laser system

#12
20170229833
2017-08-10

Laser oscillation device having laser medium circulating tube

#13
20170214210
2017-07-27

LASER RESONATOR WITH PARASITIC MODE SUPPRESSION

#14
20170077666
2017-03-16

Laser oscillator comprising heat exchanger having function of collecting foreign matters

#15
20160380402
2016-12-29

Pulsed light beam spectral feature control

#16
20160301182
2016-10-13

Optically pumped micro-plasma

#17
20160240991
2016-08-18

Laser oscillator provided with blower

#18
20160161859
2016-06-09

Compensation for a disturbance in an optical source

#19
20160013606
2016-01-14

Gas laser oscillator capable of controlling gas pressure and gas consumption amount

#20
20150171591
2015-06-18

Oxygen laser oscillator

#21
20150014286
2015-01-15

CO2 LASER WITH RAPID POWER CONTROL

#22
20140064316
2014-03-06

Systems and methods for lasing from a molecular gas

#23
20140048410
2014-02-20

Device for the excitation of a gas column enclosed in a hollow-core optical fibre

#24
20130315272
2013-11-28

Regenerative amplifier, laser apparatus, and extreme ultraviolet light generation system

#25
20130308673
2013-11-21

Slab laser

#26
20130294470
2013-11-07

Temperature controller for gas laser

#27
20130294469
2013-11-07

Temperature controller for gas laser

#28
20130259074
2013-10-03

Compact COslab-laser

#29
20130235893
2013-09-12

TRANSMISSIVE OPTICAL DEVICE, LASER CHAMBER, AMPLIFIER STAGE LASER DEVICE, OSCILLATION STAGE LASER DEVICE AND LASER APPARATUS

#30
20130003774
2013-01-03

CO2 laser

#31
20130000773
2013-01-03

System and method for high accuracy gas refill in a two chamber gas discharge laser system

#32
20120267343
2012-10-25

Temperature controller for gas laser

#33
20120229889
2012-09-13

Regenerative amplifier, laser apparatus, and extreme ultraviolet light generation system

#34
20120183008
2012-07-19

Surface Catalyst Infra Red Laser

#35
20100217444
2010-08-26

Temperature controller for gas laser

#36
20100135343
2010-06-03

Laser oscillator

#37
20080304533
2008-12-11

STARTUP METHOD FOR GAS LASER UNIT AND GAS LASER UNIT HAVING STARTUP FUNCTION

#38
20080304522
2008-12-11

Catalyst laser

#39
20080298423
2008-12-04

Unstable optical resonator and laser device

#40
20080219314
2008-09-11

Semiconductor laser device

#41
20070201529
2007-08-30

Optical oxygen laser and method

#42
20070160103
2007-07-12

Gas discharge laser light source beam delivery unit

#43
20070098033
2007-05-03

External optics and chamber support system

#44
20060262825
2006-11-23

Capillary discharge x-ray laser

#45
20060251135
2006-11-09

Timing control for two-chamber gas discharge laser system

#46
20060153264
2006-07-13

Waveguide laser

#47
20060126697
2006-06-15

Very narrow band, two chamber, high rep-rate gas discharge laser system

#48
20060018357
2006-01-26

Waveguide laser

#49
20050286601
2005-12-29

Surface catalyst infra red laser

#50
20050271109
2005-12-08

Very narrow band, two chamber, high rep-rate gas discharge laser system

#51
20050195881
2005-09-08

Unstable optical resonator and laser device

#52
20050174576
2005-08-11

Gas discharge MOPA laser spectral analysis module

#53
20050068997
2005-03-31

Laser spectral engineering for lithographic process

#54
20050046856
2005-03-03

Gas discharge MOPA laser spectral analysis module

#55
20050041701
2005-02-24

Laser spectral engineering for lithographic process

#56
20050025882
2005-02-03

Optical elements with protective undercoating

#57
20050018739
2005-01-27

Timing control for two-chamber gas discharge laser system

#58
20050018737
2005-01-27

Discharge laser with porous insulating layer covering anode discharge surface

#59
18500507
2024-02-20

Radio frequency laser

#60
15851484
2019-01-01

Method for direct compression of laser pulses with large temporal ratios

#61
14565016
2016-02-16

Compensation for a disturbance in an optical source

#62
14483082
2015-09-08

System and method for automatic gas optimization in a two-chamber gas discharge laser system

#63
14063727
2017-05-16

Optical surface preservation techniques and apparatus