ClassID:

173813

G02B6/02138 - CPC Classification

Classification description:

Light guides; Optical fibres with cladding comprising gratings; Refractive index modulation gratings, e.g. Bragg gratings characterised by the method of manufacture of the grating using beam interference based on illuminating a phase mask

Recent Application in this class:
#1
20240012195
2024-01-11

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

#2
20240004282
2024-01-04

Structured Film and Method of Using Same to Form a Pattern on a Substrate

#3
20230333313
2023-10-19

PHASE-SHIFTED FIBER BRAGG GRATING SENSOR AND METHOD FOR PRODUCING SAME

#4
20230194775
2023-06-22

Fiber Bragg grating sensor in polymer-coated ultra-thin optical fibers and method for producing same

#5
20230125384
2023-04-27

Endoscope including fiber delivery of illumination light

#6
20220120964
2022-04-21

Photobleaching of fiber bragg gratings written through the fiber coating

#7
20210318488
2021-10-14

PHASE-SHIFTED FIBER BRAGG GRATING SENSOR AND METHOD FOR PRODUCING SAME

#8
20210141131
2021-05-13

Methods of producing slanted gratings with variable etch depths

#9
20210072050
2021-03-11

Low insertion loss high temperature stable fiber Bragg grating sensor and method for producing same

#10
20200284621
2020-09-10

Fiber Bragg grating interrogation and sensing system and methods comprising a filter centered at a first wavelength

#11
20200103586
2020-04-02

DEVICE FOR FABRICATING OPTICAL FIBER BRAGG GRATING AND THE METHOD THEREOF

#12
20190227225
2019-07-25

Index-matched grating inscription through fiber coating

#13
20190137685
2019-05-09

Writing of high mechanical strength fiber bragg gratings using ultrafast pulses and a phase mask

#14
20190086244
2019-03-21

Fiber Bragg grating interrogation and sensing system and methods comprising a first photodetector for measuring filtered light and a second photodetector for measuring unfiltered light

#15
20190049272
2019-02-14

Low insertion loss high temperature stable fiber Bragg grating sensor and method for producing same

#16
20190047239
2019-02-14

Manufacturing device and manufacturing method of optical fiber grating

#17
20190041575
2019-02-07

Multicore optical fiber with a core and a common cladding having a higher refractive index than the core, fiber Bragg grating, and method for manufacturing fiber Bragg grating

#18
20180067254
2018-03-08

Automated system for trans-jacket fibre Bragg grating inscription and manufacturing

#19
20180019564
2018-01-18

Transient Bragg gratings in optical waveguides and their applications

#20
20170199093
2017-07-13

Multi-parameter sensing based on few-mode fiber Bragg gratings using femtosecond IR laser

#21
20170192168
2017-07-06

Forming an optical grating with an apparatus providing an adjustable interference pattern

#22
20170031090
2017-02-02

Writing of high mechanical strength fiber Bragg gratings through the polymer coating of an optical fiber

#23
20160361779
2016-12-15

Fiber Bragg gratings in carbon-coated optical fibers and techniques for making same

#24
20160109657
2016-04-21

Single fiber bragg grating as delay line interferometer

#25
20150285993
2015-10-08

Fiber bragg gratings in carbon-coated optical fibers and techniques for making same

#26
20140312014
2014-10-23

Compensation of fiber lensing effect during grating fabrication in multicore fiber

#27
20140270643
2014-09-18

Method of and apparartus for inscription of fiber gratings from multiple azimuthal angles and fiber so inscribed

#28
20140233890
2014-08-21

Index matched grating inscription

#29
20140232997
2014-08-21

Index matched grating inscription

#30
20130142481
2013-06-06

Method and apparatus for fiber delivery of high power laser beams

#31
20130087937
2013-04-11

Phase mask period control

#32
20130066228
2013-03-14

MINIMIZING MECHANICAL TRAUMA DUE TO IMPLANTATION OF A MEDICAL DEVICE

#33
20130028275
2013-01-31

Method for manufacturing optical fiber grating, optical fiber grating, and fiber laser

#34
20130016742
2013-01-17

Optical fiber-type optical element, laser diode module, and fiber laser

#35
20120324959
2012-12-27

High temperature stable fiber grating sensor and method for producing same

#36
20110299812
2011-12-08

Optical structure writing system

#37
20110170823
2011-07-14

Fiber optic sensor for detecting multiple parameters in a harsh environment

#38
20100303403
2010-12-02

On-line fiber Bragg grating dithering

#39
20100296770
2010-11-25

High temperature sustainable fiber bragg gratings

#40
20100111120
2010-05-06

Pulsed laser source with adjustable grating compressor

#41
20100014809
2010-01-21

OPTICAL STRUCTURE WRITING SYSTEM

#42
20090317928
2009-12-24

High temperature stable fiber grating sensor and method for producing same

#43
20090262774
2009-10-22

Sliced fiber bragg grating used as external cavity for semiconductor laser and solid state laser

#44
20090208876
2009-08-20

Long-length fiber Bragg creating sequential UV writing by probing phase mask

#45
20090169150
2009-07-02

Fiber Bragg grating and fabrication method

#46
20090121392
2009-05-14

METHOD AND APPARATUS FOR WRITING GRATING STRUCTURES USING CONTROLLED PHASE DELAY BETWEEN BEAMS

#47
20090092352
2009-04-09

Optical fiber strain sensor

#48
20090080827
2009-03-26

Production device and production method for an optical device component having a grating structure

#49
20090074347
2009-03-19

Fiber Bragg grating for high temperature sensing

#50
20090057568
2009-03-05

Production device and production method for an optical device component having a grating structure

#51
20080310789
2008-12-18

Method of changing the birefringence of an optical waveguide by laser modification of the cladding

#52
20080090158
2008-04-17

METHOD FOR DESIGNING AN INDEX PROFILE SUITABLE FOR ENCODING INTO A PHASE MASK FOR MANUFACTURING A COMPLEX OPTICAL GRATING

#53
20080037935
2008-02-14

Methods and apparatuses for manufacturing fiber gratings, and optical fibers having fiber gratings formed thereby

#54
20070280596
2007-12-06

Method and System for Writing Fiber Bragg Grating Having Apodized Spectrum on Optical Fibers

#55
20070201802
2007-08-30

Method of changing the refractive index in a region of a core of a photonic crystal fiber using a laser

#56
20060285561
2006-12-21

Pulsed laser source with adjustable grating compressor

#57
20060263006
2006-11-23

Apparatus for writing Bragg gratings and reflection unit used in the apparatus

#58
20060228635
2006-10-12

Method and apparatus for fabricating shaped structures and shaped structures including one- , two- or three-dimensional patterns incorporated therein

#59
20060198578
2006-09-07

Optical structure writing system

#60
20060159137
2006-07-20

Pulsed laser source with adjustable grating compressor

#61
20060147811
2006-07-06

Method and apparatus for writing grating structures using controlled phase delay between beams

#62
20060140566
2006-06-29

Heat-resistant optical fiber, a method of manufacturing the same, a method of fixing an optical fiber, and a heat-resistant optical fiber using a protective tube

#63
20060133728
2006-06-22

Fabrication of structures in an optical substrate

#64
20060083464
2006-04-20

Millimeter wave oscillator using fiber Bragg grating

#65
20060067616
2006-03-30

Pseudo slant fiber bragg grating, multiple series fiber bragg grating, optical fiber type coupler and optical connector

#66
20060046156
2006-03-02

Method for manufacturing a microstructure, exposure device, and electronic apparatus

#67
20060029322
2006-02-09

Optical fiber sensor based on retro-reflective fiber Bragg gratings

#68
20060018595
2006-01-26

Optical waveguide device

#69
20050220163
2005-10-06

External resonator and semiconductor laser module using the same

#70
20050207701
2005-09-22

Method for fabricating Fiber Bragg Grating elements and planar light circuits made thereof

#71
20050157982
2005-07-21

Signal cutout device, optical connector and optical fiber coupler

#72
20050147349
2005-07-07

Method of manufacturing a fiber-type optical coupler with slanting bragg diffraction gratings

#73
20050105852
2005-05-19

Vertical device geometry the incorporation of Bragg gratings into photonic integrated circuits

#74
20050095511
2005-05-05

Optical fiber having bragg grating and method of manufacturing the same

#75
20050031981
2005-02-10

Production device and production method for an optical device component having a grating structure

#76
20050018966
2005-01-27

Method and apparatus for fabricating fiber Bragg gratings

#77
20050012933
2005-01-20

Tunable talbot interferometers for fiber bragg grating writing

#78
16681260
2020-11-03

Methods of producing slanted gratings with variable etch depths

#79
14616488
2015-08-18

Interleaved aliased AWG filter for continuous wideband wavelength discrimination