ClassID:

174009

G02B6/243 - CPC Classification

Classification description:

Light guides; Coupling light guides; Light guide terminations as light absorbers

Recent Application in this class:
#1
20250172734
2025-05-29

Light emitting device including a light absorbing cladding region on edges of a core layer of a film-based lightguide

#2
20240393536
2024-11-28

OPTICAL WAVEGUIDE TERMINATION

#3
20240069280
2024-02-29

Photo-detector

#4
20240019755
2024-01-18

OPTICAL WAVEGUIDE TERMINATORS WITH DOPED WAVEGUIDES

#5
20240012201
2024-01-11

Ring-geometry photodetector designs for high-sensitivity and high-speed detection of optical signals for fiber optic and integrated optoelectronic devices

#6
20240004134
2024-01-04

OPTICAL WAVEGUIDE TERMINATION

#7
20230318517
2023-10-05

NONRECIPROCAL SOLAR THERMOPHOTOVOLTAICS

#8
20230152518
2023-05-18

Photonic chip security structure

#9
20220344523
2022-10-27

Photodetectors and absorbers with slanted light incidence

#10
20220283373
2022-09-08

TIP REFLECTION REDUCTION FOR SHAPE-SENSING OPTICAL FIBER

#11
20220221723
2022-07-14

HIGH INDEX EDGE BLACKENING MATERIAL

#12
20220186376
2022-06-16

PRE-INITIATED OPTICAL FIBERS AND METHODS OF MAKING THEREOF

#13
20220171123
2022-06-02

Waveguide with attenuator

#14
20220137290
2022-05-05

Multi-mode optical waveguide structures with isolated absorbers

#15
20210041628
2021-02-11

Waveguide absorbers

#16
20200241203
2020-07-30

Dump terminator

#17
20200209466
2020-07-02

OPTICAL FIBER WITH INTEGRATED ABSORBER MATERIAL

#18
20200181777
2020-06-11

Pre-initiated optical fibers and methods of making thereof

#19
20200124806
2020-04-23

Apparatuses for coupling radiation out of an optical fiber

#20
20190363510
2019-11-28

Optical module

#21
20190285802
2019-09-19

Waveguide termination device

#22
20190129095
2019-05-02

IMPLANTED BACK ABSORBER

#23
20190101683
2019-04-04

Lighting device and display device

#24
20190088186
2019-03-21

DISPLAY DEVICE

#25
20190011624
2019-01-10

Optical member, light guiding member, and method for producing optical member

#26
20180314110
2018-11-01

BACKLIGHT MODULE AND SURFACE LIGHT SOURCE ASSEMBLY THEREOF

#27
20180036082
2018-02-08

Pre-initiated optical fibers and methods of making thereof

#28
20170322377
2017-11-09

Optical waveguide termination having a doped, light-absorbing slab

#29
20170315296
2017-11-02

Spiral optical waveguide termination

#30
20170299940
2017-10-19

Optical modulator with wirings of equal length

#31
20170254976
2017-09-07

Optical device, terminator, wavelength-tunable laser device, and method for manufacturing optical device

#32
20170146742
2017-05-25

Optical waveguide device and module

#33
20170139305
2017-05-18

Optical waveguide terminators with doped waveguides

#34
20170131479
2017-05-11

OPTICALLY VISUALIZED ANTI-COUNTERFEITING ELECTRONIC INTEGRATED APPARATUS AND MANUFACTURING METHOD THEREOF

#35
20170038532
2017-02-09

Optical attenuator and fabrication method thereof

#36
20160154194
2016-06-02

Light receiving module having built-in wavelength-tunable wavelength-selective filter

#37
20150370009
2015-12-24

High power metal clad mode absorber

#38
20150285999
2015-10-08

Optical fiber adapter with shutter member

#39
20150234211
2015-08-20

Free-space laser tuning of optical microcavities

#40
20150205043
2015-07-23

Optical waveguide device and module

#41
20140270661
2014-09-18

Apparatus and method for absorbing laser energy that fails to couple into the core of a laser fiber, and for absorbing the energy that has been transmitted to the cladding of the laser

#42
20140105544
2014-04-17

Optical waveguide type optical terminator

#43
20140073912
2014-03-13

Tip reflection reduction for shape-sensing optical fiber

#44
20120251041
2012-10-04

Optical waveguide device and module

#45
20120057841
2012-03-08

Reducing reflection at termination of optical fiber in a small volume

#46
20120026749
2012-02-02

Low stray light beam dump with fiber delivery

#47
20110110625
2011-05-12

Packages for high power operation of optical fiber components

#48
20100202782
2010-08-12

Apparatus for transmitting data between two systems which move relative to one another

#49
20100163537
2010-07-01

APPARATUS AND METHOD FOR LASER MACHINING

#50
20100098113
2010-04-22

Selective deposition of carbon nanotubes on optical fibers

#51
20090133594
2009-05-28

Light guide sheet, movable contact structure using the light guide sheet, method of manufacturing the movable contact structure, and switch using the light guide sheet and the movable contact structure

#52
20090016684
2009-01-15

Service blocker device and method

#53
20070206911
2007-09-06

Gold Metal Cylinder Fiber

#54
20070177843
2007-08-02

Service blocker device and method

#55
20070127870
2007-06-07

Optical hot tip

#56
20060188212
2006-08-24

Optical terminator

#57
20060127028
2006-06-15

Service blocker device and method

#58
20060104592
2006-05-18

Variable optical attenuator comprising hollow core waveguide

#59
20050105842
2005-05-19

Integrated optical arrangement

#60
16255971
2020-01-07

Dump terminator