Inventor profile of:

Mark E. Froggatt

City:

Blacksburg, Virginia

Country:

United States

Published Applications:

87

Last publication date:

2026-06-11

Top Assignees for applications by Mark E. Froggatt

The entities that hold a legal rights for patent applications filed by inventor Froggatt Mark E.:

Recent patent applications by Froggatt Mark E.

Mark E. Froggatt from Blacksburg, US has applied for patents for these inventions. The list has both pending applications and granted patents:

#1 | 2026-06-11
US20260161007A1
Physics

OPTICAL COMPONENT LASER WELDED TO PEDESTAL

#2 | 2026-01-22
US20260022931A1
Physics

CALCULATION OF REDUNDANT BEND IN MULTI-CORE FIBER FOR SAFETY

#3 | 2025-12-04
US20250369745A1
Physics

REDUNDANT CORE IN MULTICORE OPTICAL FIBER FOR SAFETY

#4 | 2025-11-13
US20250347904A1
Physics

DIRECTING LIGHT INTO AN OPTICAL FIBER

#5 | 2025-10-23
US20250327658A1
Physics

METHODS AND APPARATUS FOR OFDR INTERROGATOR MONITORING AND OPTIMIZATION

#6 | 2025-05-22
US20250164291A1
Physics

OPTICAL FIBER WITH MICROGRATINGS FOR INCREASED MEASURABLE STRAIN RANGE

#7 | 2025-03-13
US20250082208A1
Human necessities

SYSTEM AND METHOD FOR DISTRIBUTED HEAT FLUX SENSING OF BODY TISSUE

#8 | 2024-06-06
US20240183691A1
Physics

METHODS AND APPARATUS FOR DETERMINING SHAPE PARAMETER(S) USING A SENSING FIBER HAVING A SINGLE CORE WITH MULTIPLE LIGHT PROPAGATING MODES

#9 | 2024-04-11
US20240118500A1
Physics

SYSTEMS AND METHODS FOR OPTICAL FIBER CLEANING AND INTERFACE PARTICLE REDUCTION

#10 | 2024-02-08
US20240044638A1
Physics

Methods and apparatus to determine a shape of an optical fiber sensor

#11 | 2024-01-18
US20240019279A1
Physics

Overlapping fiber gratings

#12 | 2023-12-28
US20230417541A1
Physics

MICRO OPTIC ASSEMBLIES AND OPTICAL INTERROGATION SYSTEMS

#13 | 2023-11-02
US20230349733A1
Physics

Optical fiber with microgratings for increased measurable strain range

#14 | 2023-11-02
US20230349689A1
Physics

METHODS AND APPARATUS FOR OFDR INTERROGATOR MONITORING AND OPTIMIZATION

#15 | 2023-10-26
US20230344191A1
Electricity

TUNABLE TRANSMISSION-GRATING LASER WITH FEEDBACK

#16 | 2023-06-29
US20230204852A1
Physics

REDUNDANT CORE IN MULTICORE OPTICAL FIBER FOR SAFETY

#17 | 2023-05-18
US20230152568A1
Physics

DIRECTING LIGHT INTO AN OPTICAL FIBER

#18 | 2023-04-20
US20230122326A1
Physics

CALCULATION OF REDUNDANT BEND IN MULTI-CORE FIBER FOR SAFETY

#19 | 2023-02-02
US20230032157A1
Physics

Micro optic assemblies and optical interrogation systems

#20 | 2022-12-29
US20220412778A1
Physics

Methods and apparatus for determining shape parameter(s) using a sensing fiber having a single core with multiple light propagating modes

#21 | 2022-12-22
US20220404144A1
Physics

Methods and apparatus to determine a twist parameter and/or a bend angle associated with a multi-core fiber

#22 | 2022-11-24
US20220373365A1
Physics

Overlapping fiber gratings

#23 | 2022-01-13
US20220011094A1
Physics

Methods and apparatus for OFDR interrogator monitoring and optimization

#24 | 2021-08-19
US20210254967A1
Physics

Micro optic assemblies and optical interrogation systems

#25 | 2021-07-29
US20210231465A1
Physics

Overlapping fiber gratings

#26 | 2021-07-29
US20210231432A1
Physics

Force sensing in a distal region of an instrument including single-core or multi-core optical fiber

#27 | 2021-07-01
US20210199884A1
Physics

Redundant core in multicore optical fiber for safety

#28 | 2021-06-24
US20210187752A1
Performing operations; transporting

Calculation of redundant bend in multi-core fiber for safety

#29 | 2021-06-10
US20210172768A1
Physics

Methods and apparatus for determining shape parameter(s) using a sensing fiber having a single core with multiple light propagating modes

#30 | 2021-05-06
US20210131796A1
Physics

Methods and apparatus to determine a twist parameter and/or a bend angle associated with a multi-core fiber

#31 | 2020-12-03
US20200378866A1
Physics

Registering measured optical fiber interferometric data with reference optical fiber interferometric data

#32 | 2020-11-12
US20200355492A1
Physics

Methods and apparatus for OFDR interrogator monitoring and optimization

#33 | 2020-10-08
US20200318951A1
Physics

Methods and apparatus to determine a twist parameter and/or a bend angle associated with a multi-core fiber

#34 | 2020-08-20
US20200264018A1
Physics

Optical fiber with microgratings for increased measurable strain range

#35 | 2020-07-02
US20200209466A1
Physics

OPTICAL FIBER WITH INTEGRATED ABSORBER MATERIAL

#36 | 2020-06-11
US20200182702A1
Physics

HIGH PRECISION WAVELENGTH MEASUREMENT AND CONTROL OF A TUNABLE LASER

#37 | 2020-05-07
US20200141719A1
Physics

Methods and apparatus to determine a twist parameter and/or a bend angle associated with a multi-core fiber

#38 | 2020-04-16
US20200116923A1
Physics

Redundant core in multicore optical fiber for safety

#39 | 2020-03-26
US20200096322A1
Physics

Methods and apparatus for OFDR interrogator monitoring and optimization

#40 | 2020-03-05
US20200069192A1
Human necessities

System and method for distributed heat flux sensing of body tissue

#41 | 2020-02-20
US20200057321A1
Physics

Polarization control with low polarization-mode dispersion

#42 | 2020-01-23
US20200025593A1
Physics

Methods and apparatus for determining shape parameter(s) using a sensing fiber having a single core with multiple light propagating modes

#43 | 2019-12-26
US20190391341A1
Physics

Interferometric alignment of optical multicore fibers to be connected

#44 | 2019-10-31
US20190331479A1
Physics

Methods and apparatus to determine a twist parameter and/or a bend angle associated with a multi-core fiber

#45 | 2019-10-31
US20190331478A1
Physics

Force sensing in a distal region of an instrument including single-core or multi-core optical fiber

#46 | 2019-08-15
US20190250050A1
Physics

Shape sensing with multi-core fiber sensor

#47 | 2019-08-01
US20190234727A1
Physics

Calculation of redundant bend in multi-core fiber for safety

#48 | 2019-08-01
US20190234726A1
Physics

Methods and apparatus for calibration for a fiber optic shape sensor

#49 | 2019-06-20
US20190183318A1
Human necessities

Augmented accuracy using large diameter shape fiber

#50 | 2019-03-28
US20190094459A1
Physics

Redundant core in multicore optical fiber for safety

#51 | 2018-12-13
US20180356203A1
Physics

Method and apparatus for motion compensation in interferometric sensing systems

#52 | 2018-08-30
US20180245907A1
Physics

Apparatus and method for generating 3-D data for an anatomical target using optical fiber shape sensing

#53 | 2018-08-16
US20180228548A1
Human necessities

Fiber management in medical instrument backend

#54 | 2018-05-10
US20180128599A1
Physics

Force sensing in a distal region of an instrument including single-core or multi-core optical fiber

#55 | 2018-04-26
US20180113051A1
Physics

Dispersion correction in optical frequency-domain reflectometry

#56 | 2018-03-01
US20180058838A1
Physics

Method and apparatus for motion compensation in interferometric sensing systems using a non-linear compensating signal

#57 | 2018-01-11
US20180010967A1
Physics

High precision wavelength measurement and control of a tunable laser

#58 | 2017-12-28
US20170370705A1
Physics

Methods and apparatus to determine a twist parameter and/or a bend angle associated with a multi-core fiber

#59 | 2017-12-21
US20170363410A1
Physics

AN OVERLAPPED CHIRPED FIBER BRAGG GRATING SENSING FIBER AND METHODS AND APPARATUS FOR PARAMETER MEASUREMENT USING SAME

#60 | 2017-01-05
US20170003119A9
Physics

Methods and apparatus to determine strain on an optical core based on tracked change in phase

#61 | 2016-09-08
US20160258839A1
Physics

Methods and apparatus for measurement of modal characteristics of multimode fiber using Rayleigh scatter

#62 | 2016-05-26
US20160146699A1
Physics

Methods and apparatus segmented calibration of a sensing optical fiber

#63 | 2016-05-05
US20160123715A1
Physics

Overlapped chirped fiber Bragg grating sensing fiber and methods and apparatus for parameter measurement using same

#64 | 2016-02-25
US20160054186A1
Physics

Method and apparatus for optical strain sensing

#65 | 2015-12-03
US20150346053A1
Physics

Dispersion correction in optical frequency-domain reflectometry

#66 | 2014-11-13
US20140336973A1
Physics

Method and apparatus for compensating for a time-varying disturbance in interferometric sensing systems

#67 | 2014-10-30
US20140320846A1
Physics

OPTICAL POSITION AND/OR SHAPE SENSING

#68 | 2014-08-14
US20140224033A1
Physics

Method and apparatus for optical strain sensing

#69 | 2014-05-22
US20140140691A1
Electricity

Fiber optic network interrogation tool for combined swept-heterodyne optical spectrum analysis and optical frequency-domain reflectometry

#70 | 2014-03-20
US20140078511A1
Physics

Variable polarization separation via beam splitter rotation

#71 | 2012-03-22
US20120069347A1
Physics

Compensating for non-ideal multi-core optical fiber structure

#72 | 2011-12-29
US20110317148A1
Physics

Registration of an extended reference for parameter measurement in an optical sensing system

#73 | 2011-12-22
US20110310378A1
Physics

Interferometric measurement with crosstalk suppression

#74 | 2011-11-10
US20110273719A1
Physics

Optical imaging for optical device inspection

#75 | 2011-10-13
US20110247427A1
Physics

Strain sensing with optical fiber rosettes

#76 | 2011-05-26
US20110122906A1
Physics

High accuracy, high precision, low drift, and concurrent wavelength measurement of a sweeping tunable laser

#77 | 2011-05-12
US20110109898A1
Physics

Optical position and/or shape sensing

#78 | 2008-09-04
US20080212082A1
Human necessities

Fiber optic position and/or shape sensing based on rayleigh scatter

#79 | 2008-01-10
US20080007718A9
Physics

Polarization diversity detection without a polarizing beam splitter

#80 | 2008-01-03
US20080002187A1
Physics

Distributed strain and temperature discrimination in polarization maintaining fiber

#81 | 2007-03-22
US20070065077A1
Physics

Fiber optic position and shape sensing device and method relating thereto

#82 | 2006-09-14
US20060204165A1
Physics

Calculation of birefringence in a waveguide based on Rayleigh scatter

#83 | 2006-07-27
US20060164627A1
Physics

Polarization diversity detection without a polarizing beam splitter

#84 | 2006-02-16
US20060033927A1
Physics

Heterodyne optical spectrum analyzer

#85 | 2005-05-31
US10816517
-

Apparatus and method for correcting errors generated by a laser with non-ideal tuning characteristics

#86 | 2005-04-28
US20050088661A1
Physics

Apparatus and method for the complete characterization of optical devices including loss, birefringence and dispersion effects

#87 | 2005-02-15
US10005819
-

Apparatus and method for the complete characterization of optical devices including loss, birefringence and dispersion effects

InventorID:

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