ClassID:

173827

G02B6/02204 - CPC Classification

Classification description:

Light guides; Optical fibres with cladding comprising gratings; Refractive index modulation gratings, e.g. Bragg gratings characterised by means for tuning the grating using thermal effects, e.g. heating or cooling of a temperature sensitive mounting body

Recent Application in this class:
#1
20250180472
2025-06-05

Optical Sensor and System

#2
20220397464
2022-12-15

Window-based temperature determination and/or display

#3
20220091327
2022-03-24

Optical fiber filter of wideband deleterious light and uses thereof

#4
20220066093
2022-03-03

Optical waveguide and optical device

#5
20200348464
2020-11-05

METHOD FOR SETTING HEATING CONDITION, METHOD FOR MANUFACTURING FIBER BRAGG GRATING, AND METHOD FOR MANUFACTURING FIBER LASER SYSTEM

#6
20200333529
2020-10-22

Optical fiber filter of wideband deleterious light and uses thereof

#7
20200200968
2020-06-25

Method of making a distributed optical fiber sensor having enhanced Rayleigh scattering and enhanced temperature stability, and monitoring systems employing same

#8
20190391324
2019-12-26

CONTROLLING BACK SCATTERING IN OPTICAL WAVEGUIDE SYSTEMS

#9
20190339446
2019-11-07

Optical fiber filter of wideband deleterious light and uses thereof

#10
20190064432
2019-02-28

Method of making a distributed optical fiber sensor having enhanced Rayleigh scattering and enhanced temperature stability, and monitoring systems employing same

#11
20180329269
2018-11-15

Optical modulation device

#12
20180217322
2018-08-02

Optical fiber filter of wideband deleterious light and uses thereof

#13
20170123236
2017-05-04

Communication apparatus

#14
20160223744
2016-08-04

LONG-PERIOD GRATING DEVICE AND TUNABLE GAIN FLATTENING FILTER HAVING SAME

#15
20160077295
2016-03-17

Optical transducer with integrated feedthrough

#16
20150211918
2015-07-30

System and method for measuring perturbations utilizing an optical filter and a narrowband optical source

#17
20150117491
2015-04-30

Tunable wavelength filter with embedded metal temperature sensor and its application to external-cavity type tunable wavelength laser

#18
20140340688
2014-11-20

Slow-light sensor utilizing an optical filter and a narrowband optical source

#19
20130236152
2013-09-12

Optical transducer with integrated feedthrough

#20
20130193961
2013-08-01

System and method for measuring perturbations using a slow-light fiber Bragg grating sensor

#21
20130059140
2013-03-07

Multilayer Polymer Films Having Improved Barrier Properties

#22
20130014577
2013-01-17

Sensor for measuring flow speed of a fluid

#23
20120177319
2012-07-12

Optical fiber sensor and methods of manufacture

#24
20120176597
2012-07-12

Strain and temperature discrimination using fiber bragg gratings in a cross-wire configuration

#25
20120113494
2012-05-10

Spectrum sliced photonic signal processor

#26
20120086947
2012-04-12

Generator protection system

#27
20120086934
2012-04-12

Slow-light fiber Bragg grating sensor

#28
20110262073
2011-10-27

THERMALLY TUNABLE FIBER OPTIC DEVICE

#29
20110188537
2011-08-04

Temperature-compensated fibre optic strain gauge

#30
20110069928
2011-03-24

Assembly for applying a temperature gradient to a refractive index grating and chromatic dispersion compensator

#31
20100284646
2010-11-11

FIBER OPTIC GRATING MEASURING DEVICE

#32
20100021106
2010-01-28

Temperature-compensated fibre optic strain gauge

#33
20090251766
2009-10-08

Wavelength converter

#34
20090202196
2009-08-13

Method of tuning optical components integrated in a monolithic photonic integrated circuit (PIC)

#35
20090169150
2009-07-02

Fiber Bragg grating and fabrication method

#36
20090074347
2009-03-19

Fiber Bragg grating for high temperature sensing

#37
20080285907
2008-11-20

Systems and methods for creating localized refractive index modulations in an optical fiber

#38
20080085087
2008-04-10

Capillary waveguide tunable optical device

#39
20070237448
2007-10-11

Method for inspecting peeling in adhesive joint

#40
20070201794
2007-08-30

Active in-fiber optic components powered by in-fiber light

#41
20070172169
2007-07-26

Method of tuning optical components integrated in a monolithic photonic integrated circuit (PIC)

#42
20070092182
2007-04-26

Wavelength tuning device and wavelength tuning method

#43
20070058898
2007-03-15

Humidity sensor and method for monitoring moisture in concrete

#44
20070019901
2007-01-25

Method tuning optical components integrated in a monolithic photonic integrated circuit (PIC)

#45
20070019313
2007-01-25

Method for production of a tunable optical filter

#46
20070014509
2007-01-18

Optical transmitter

#47
20060263008
2006-11-23

Hitless tunable optical add drop multiplexer with vernier gratings

#48
20060182441
2006-08-17

Method and apparatus of monitoring and controlling the emission wavelengths of a plurality of laser sources integrated on the same chip or in the same photonic integrated circuit (PIC)

#49
20060182392
2006-08-17

Device for tailoring the chromatic dispersion of a light signal

#50
20060115195
2006-06-01

Fiber bragg grating device

#51
20060062519
2006-03-23

Monolithic photonic integrated circuit (PIC) CHIP

#52
20060056764
2006-03-16

Optical signal encoding apparatus and decoding apparatus

#53
20050286909
2005-12-29

Optical transmitter

#54
20050265661
2005-12-01

Optical true-time delay apparatus and manufacturing method thereof

#55
20050254542
2005-11-17

Optical true-time delay apparatus and manufacturing method thereof

#56
20050232542
2005-10-20

Hitless tunable optical add drop multiplexer with vernier gratings

#57
20050163424
2005-07-28

Active in-fiber optic components powered by in-fiber light

#58
20050157993
2005-07-21

Method and device for controlling the refractive index in an optical fiber

#59
20050129365
2005-06-16

Apparatus and methods for stabilization and control of fiber devices and fiber devices including the same

#60
20050018964
2005-01-27

Compensation of Bragg wavelength shift in a grating assisted direct coupler

#61
20050018721
2005-01-27

Method of operating an array of laser sources integrated in a monolithic chip or in a photonic integrated circuit (PIC)

#62
20050018720
2005-01-27

Apparatus and method for tuning a laser source emission wavelength employing a laser source contact comprising electrode segments

#63
20050013332
2005-01-20

Method and apparatus of monitoring and controlling the emission wavelengths of a plurality of laser sources integrated on the same chip or in the same photonic integrated circuit (PIC)

#64
20050013331
2005-01-20

Method of tuning integrated laser sources with integrated wavelength tuning elements on the same substrate or in a monolithic photonic integrated circuit (PIC)

#65
20050013330
2005-01-20

Method of tuning optical components integrated on a monolithic chip

#66
20050002610
2005-01-06

Apparatus and method for adjusting the spectral response of an optical waveguide grating

#67
20050002609
2005-01-06

Apparatus and method for adjusting the spectral response of an optical waveguide grating

#68
16021499
2019-09-24

Fiber optic temperature sensors within inert gas for cryogenic environments

#69
15426811
2018-06-12

Optical phase-sensitive amplifier with fiber bragg grating phase shifter