ClassID:

175428

G02F1/3532 - CPC Classification

Classification description:

Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics; Non-linear optics; Frequency conversion, i.e. wherein a light beam is generated with frequency components different from those of the incident light beams Arrangements of plural nonlinear devices for generating multi-colour light beams, e.g. arrangements of SHG, SFG, OPO devices for generating RGB light beams

Recent Application in this class:
#1
20260072328
2026-03-12

Quantum Spectrum Sensing Systems

#2
20250155774
2025-05-15

NONLINEAR SOLID STATE DEVICES FOR OPTICAL RADIATION IN FAR-UV SPECTRUM

#3
20250116912
2025-04-10

LASER FREQUENCY CONVERSION WITH ULTRAVIOLET-DAMAGE MITIGATION

#4
20250068031
2025-02-27

LIGHT SOURCE SYSTEM

#5
20250020969
2025-01-16

PULSED LIGHT GENERATION DEVICE, PULSED LIGHT GENERATION METHOD, AND PROCESSING DEVICE

#6
20240226348
2024-07-11

ULTRAVIOLET LASER LIGHT GENERATION DEVICE

#7
20240176206
2024-05-30

INTERFACE-BASED THIN FILM METROLOGY USING SECOND HARMONIC GENERATION

#8
20240152023
2024-05-09

Wavelength Conversion Module

#9
20240142853
2024-05-02

HOLLOW-CORE PHOTONIC CRYSTAL FIBER BASED MULTIPLE WAVELENGTH LIGHT SOURCE DEVICE

#10
20240131209
2024-04-25

ULTRAVIOLET LASER LIGHT GENERATION DEVICE

#11
20240118585
2024-04-11

Optical Sources

#12
20240103338
2024-03-28

WAVELENGTH CONVERTER AND OPTICAL TRANSMISSION SYSTEM

#13
20240060821
2024-02-22

OPTICAL DEVICE, SYSTEM AND METHOD FOR DISPERSION INTERFEROMETRY

#14
20230153677
2023-05-18

Computing Device of Ising Model

#15
20230105608
2023-04-06

LIGHT SOURCE SYSTEM AND LASER PROJECTION DISPLAY DEVICE

#16
20220341849
2022-10-27

Multimodal nonlinear optical imaging via evanescent wave excitation

#17
20220190547
2022-06-16

Pulsed light generation device, pulsed light generation method, exposure apparatus having pulsed light generation device and inspection apparatus having pulsed light generation device

#18
20220187681
2022-06-16

Light source with optical frequency mixing

#19
20210405502
2021-12-30

Wavelength conversion apparatus

#20
20210333685
2021-10-28

Optical sources

#21
20200315706
2020-10-08

Dermatological picosecond laser treatment systems and methods using optical parametric oscillator

#22
20200292914
2020-09-17

Optical Sources

#23
20200249542
2020-08-06

Systems and methods for managing incoherent laser beams

#24
20200153193
2020-05-14

Pulsed light generation device, pulsed light generation method, exposure apparatus having pulsed light generation device and inspection apparatus having pulsed light generation device

#25
20200112138
2020-04-09

Microjoule amplifier system for three photon microscopy utilizing existing femtosecond lasers used for two photon microscopy as a seed source

#26
20200088642
2020-03-19

Multiphotonic microscopy method and device

#27
20190305508
2019-10-03

Solid-state laser device, solid-state laser system, and laser device for exposure device

#28
20190235349
2019-08-01

Method for multi-longitudinal mode continuous wave output based on multi-mode resonant OPO technology

#29
20190204712
2019-07-04

Optical quantification of interfacial charge states

#30
20190151019
2019-05-23

Dermatological picosecond laser treatment systems and methods using optical parametric oscillator

#31
20190131756
2019-05-02

Pulsed light generation device, pulsed light generation method, exposure apparatus having pulsed light generation device and inspection apparatus having pulsed light generation device

#32
20190129277
2019-05-02

Variable-astigmatism beam adaptation device and frequency conversion units

#33
20190006817
2019-01-03

Solid-state laser device, solid-state laser system, and laser device for exposure device

#34
20180356706
2018-12-13

Frequency-tunable laser source and method for emitting a frequency-tunable laser beam

#35
20180329274
2018-11-15

System and method for generating an optical frequency standard

#36
20180275050
2018-09-27

Carbon isotope analysis device and carbon isotope analysis method

#37
20180267387
2018-09-20

System and method for optical sampling without an optical source

#38
20180252984
2018-09-06

METHOD FOR GIGAHERTZ TO TERAHERTZ FREQUENCY SIGNAL GENERATION USING OPO AND DFG

#39
20180231868
2018-08-16

Deterministic single-photon source based on spectral shift of a heralded photon

#40
20180164657
2018-06-14

Optical quantification of interfacial charge states

#41
20180110134
2018-04-19

Display apparatus, backplane and mold for making backplane bracket

#42
20180101085
2018-04-12

Optical parametric oscillator for generating terahertz radiation

#43
20180101031
2018-04-12

Liquid crystal display device, liquid crystal display module and liquid crystal cell thereof

#44
20170235209
2017-08-17

Optical amplifier arrangement, laser amplifier system and process

#45
20170219911
2017-08-03

Terahertz wave generation apparatus

#46
20170176838
2017-06-22

System for gigahertz to terahertz frequency signal generation using OPO and DFG

#47
20170067783
2017-03-09

Systems and methods for high-contrast, near-real-time acquisition of terahertz images

#48
20170031211
2017-02-02

Quantum rod layer, method of fabricating the same and display device including the same

#49
20160357088
2016-12-08

System and method for optical signal quadrature separation

#50
20160349177
2016-12-01

Carbon isotope analysis device and carbon isotope analysis method

#51
20160320686
2016-11-03

Laser apparatus with cascade of nonlinear frequency mixers

#52
20160241759
2016-08-18

Real-time, ultrafast framing optical imaging device with high spatial resolution

#53
20160195793
2016-07-07

Optical sources

#54
20160131960
2016-05-12

Method for generating ultrashort femtosecond pulses in optical parametric oscillator pumped by long pulses

#55
20160124286
2016-05-05

Generator of at least three coherent laser beams in the infrared and visible domain

#56
20160099536
2016-04-07

GENERATION OF CONTINUOUS WAVE DUV LASER RADIATION

#57
20160079726
2016-03-17

Five-wave optical parametric oscillator with V-ring geometry

#58
20160077404
2016-03-17

Method of operating wavelength swept source apparatus

#59
20160004138
2016-01-07

Wavelength conversion device and projector

#60
20150288127
2015-10-08

Gigahertz to terahertz frequency signal generation using OPO and DFG

#61
20150253645
2015-09-10

Fiber frequency comb article

#62
20150222085
2015-08-06

Multiple wavelength Raman laser

#63
20150185077
2015-07-02

Method and apparatus for tuning coherent radiation

#64
20150159990
2015-06-11

Variable-frequency optical combs, heterodyne sensor, and process for performing spectroscopy

#65
20150036210
2015-02-05

Optical amplifier

#66
20150002918
2015-01-01

WAVELENGTH SWEPT SOURCE APPARATUS AND CONTROLLING METHOD THEREOF

#67
20140333993
2014-11-13

Optical sources

#68
20140192829
2014-07-10

MULTI-CRYSTAL FREQUENCY TRIPLER FOR THIRD HARMONIC CONVERSION

#69
20140185016
2014-07-03

Color-based stereoscopic projection system and method

#70
20140133024
2014-05-15

Projection systems with despeckled laser light

#71
20140009821
2014-01-09

Optical parametric oscillator pumped by femtosecond thin-disk laser

#72
20130314769
2013-11-28

Cascaded optical parametric amplifier with polarization exchange for noise reduction

#73
20130271765
2013-10-17

LASER EMISSION DEVICE AND METHOD FOR THE SPECTROSCOPIC ANALYSIS OF A SAMPLE

#74
20130188240
2013-07-25

IR fiber broadband mid-IR light source

#75
20130083816
2013-04-04

Laser source apparatus and laser microscope

#76
20130077086
2013-03-28

Solid-State Laser And Inspection System Using 193nm Laser

#77
20130050795
2013-02-28

System and method for generating an optical comb

#78
20130028277
2013-01-31

Frequency conversion of laser radiation

#79
20120292531
2012-11-22

Optical sources

#80
20120224252
2012-09-06

Light conversion module and light source system including the same

#81
20120200912
2012-08-09

Optical parametric oscillator pumped by femtosecond thin-disk laser

#82
20120200911
2012-08-09

High-power electromagnetic sum frequency generator system

#83
20120195333
2012-08-02

BROADBAND PUMP LASER STABILIZED CASCADING WAVELENGTH CONVERSION FOR GENERATING RED, GREEN AND BLUE LASER RADIATIONS

#84
20120158366
2012-06-21

Method and system for determining second-order nonlinear optical coefficients

#85
20120153190
2012-06-21

METHOD FOR MANUFACTURING WAVELENGTH CONVERSION ELEMENT

#86
20120120481
2012-05-17

High damage threshold frequency conversion system

#87
20120099184
2012-04-26

Wavelength conversion laser light source and image display device

#88
20110293273
2011-12-01

Wavelength conversion apparatus, wavelength conversion method, and optical add/drop multiplexer using the same

#89
20110286477
2011-11-24

Multiple wavelength optical systems

#90
20110268142
2011-11-03

Method for having laser light source in standby status

#91
20110268140
2011-11-03

Multiple wavelength raman laser

#92
20110255149
2011-10-20

Wavelength conversion laser light source and image display apparatus

#93
20110245898
2011-10-06

Laser apparatus, light therapy apparatus, exposure apparatus, device manufacturing method, and object inspection apparatus

#94
20110134944
2011-06-09

EFFICIENT PULSE LASER LIGHT GENERATION AND DEVICES USING THE SAME

#95
20110128614
2011-06-02

Surface-plasmon-assisted optical frequency conversion

#96
20110128613
2011-06-02

METHOD AND APPARATUS FOR PULSED HARMONIC ULTRAVIOLET LASERS

#97
20110116519
2011-05-19

APPARATUS AND METHOD FOR CONVERTING LASER ENERGY

#98
20100321765
2010-12-23

Intracavity frequency-converted optically-pumped semiconductor optical parametric oscillator

#99
20100253769
2010-10-07

Optical System and Assembly Method

#100
20100202728
2010-08-12

Surface-plasmon-assisted optical frequency conversion

#101
20100150183
2010-06-17

Frequency-tripled fiber MOPA

#102
20100149499
2010-06-17

Pulsed multiple colour laser system

#103
20100128343
2010-05-27

Wavelength conversion light source apparatus and wavelength conversion method

#104
20100103088
2010-04-29

SOLID-STATE LASER APPARATUS, DISPLAY APPARATUS AND WAVELENGTH CONVERTING ELEMENT

#105
20100066649
2010-03-18

Wavelength converting apparatus and image displaying apparatus

#106
20100060976
2010-03-11

Optical parametric oscillator

#107
20090290211
2009-11-26

Device for modifying the wavelength range of a spectrum of light

#108
20090279017
2009-11-12

Wavelength conversion module, laser light source device, two-dimensional image display device, backlight light source, liquid crystal display device and laser processing device

#109
20090201954
2009-08-13

Method and apparatus for pulsed harmonic ultraviolet lasers

#110
20090185583
2009-07-23

UV and Visible Laser Systems

#111
20090168148
2009-07-02

Wide-band ultrashort-pulse optical oscillator utilizing chirped pulse amplification

#112
20090129409
2009-05-21

Optical fiber and broadband light source

#113
20090110013
2009-04-30

Multi-component wavelength conversion devices and lasers incorporating the same

#114
20090110012
2009-04-30

Method for having laser light source in standby status

#115
20080291951
2008-11-27

Light emitting array

#116
20080258079
2008-10-23

Apparatuses and methods for up-converting electromagnetic radiation

#117
20080240177
2008-10-02

Continuous-wave ultraviolet laser

#118
20080075130
2008-03-27

Coherent Light Source and Optical Device Using the Same

#119
20080055714
2008-03-06

Illumination module

#120
20070272838
2007-11-29

LIGHT SOURCE AND LIGHT SOURCE SYSTEM

#121
20070236779
2007-10-11

Laser display radiation source and method

#122
20070223082
2007-09-27

Third-order optical autocorrelator for time-domain operation at the telecommunication wavelengths

#123
20070064750
2007-03-22

Deep ultraviolet laser apparatus

#124
20070064749
2007-03-22

Deep ultraviolet laser apparatus

#125
20070018103
2007-01-25

Method and apparatus for frequency-converting infrared light

#126
20070002909
2007-01-04

Optical wavelength converter and image forming apparatus using the same

#127
20060193231
2006-08-31

Optical multilayer disk, multiwavelength light source, and optical system using them

#128
20060126682
2006-06-15

Pulsed multiple colour laser system

#129
20060078012
2006-04-13

Optical element, optical system, laser device, exposure device, mask testing device and high polymer crystal processing device

#130
20050078718
2005-04-14

Intracavity frequency-tripled CW laser

#131
18919819
2025-07-29

Quantum spectrum sensing systems

#132
16503258
2020-12-01

System and method for generating multiple simultaneous, co-propagating wavelengths via nonlinear wavelength conversion

#133
14838686
2017-09-05

High damage threshold frequency conversion system

#134
14616362
2016-05-17

Pulsed fiber laser wavelength convertor