Inventor · Blacksburg, VA, US

Mark E. Froggatt

95Patents
20h-index
46Co-inventors
88Inventor score

Filing activity: Aug 12, 1993 → Oct 20, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US7772541B2 Fiber optic position and/or shape sensing based on rayleigh scatter Human Necessities 293 Active
US7781724B2 Fiber optic position and shape sensing device and method relating thereto Physics 210 Active
US5798521A Apparatus and method for measuring strain in bragg gratings Physics 199 Expired
US6545760B1 Apparatus and method for measuring strain in optical fibers using rayleigh scatter Physics 158 Expired
US7042573B2 Apparatus and method for the complete characterization of optical devices including loss, birefringence and dispersion effects Physics 144 Expired
US6856400B1 Apparatus and method for the complete characterization of optical devices including loss, birefringence and dispersion effects Physics 104 Expired
US7440087B2 Identifying optical fiber segments and determining characteristics of an optical device under test based on fiber segment scatter pattern data Physics 95 Expired
US6566648B1 Edge triggered apparatus and method for measuring strain in bragg gratings Physics 90 Expired
US7515276B2 High resolution interferometric optical frequency domain reflectometry (OFDR) beyond the laser coherence length Physics 84 Active
US6900897B2 Apparatus and method for correcting errors generated by a laser with non-ideal tuning characteristics Physics 79 Expired
US6376830B1 System and method for measuring the transfer function of a guided wave device Physics 78 Expired
US10823627B2 Shape sensing with multi-core fiber sensor Physics 70 Active
US10480926B2 Apparatus and method for generating 3-D data for an anatomical target using optical fiber shape sensing Physics 69 Active
US8773650B2 Optical position and/or shape sensing Physics 64 Active
US7538883B2 Distributed strain and temperature discrimination in polarization maintaining fiber Physics 55 Active
US7330245B2 Calculation of birefringence in a waveguide based on Rayleigh scatter Physics 54 Expired
US8531655B2 Compensating for non-ideal multi-core optical fiber structure Physics 35 Active
US8400620B2 Registration of an extended reference for parameter measurement in an optical sensing system Physics 30 Active
US6426496B1 High precision wavelength monitor for tunable laser systems Electricity 25 Expired
US9784569B2 Methods and apparatus to determine strain on an optical core based on tracked change in phase Physics 20 Active
US7948633B2 Compensating for time varying phase changes in interferometric measurements Physics 17 Active
US7379168B2 Polarization diversity detection without a polarizing beam splitter Physics 16 Expired
US9025158B2 Interferometric measurement with crosstalk suppression Physics 14 Active
US8004686B2 Compensating for time varying phase changes in interferometric measurements Physics 14 Active
US10416391B2 Interferometric alignment of optical multicore fibers to be connected Physics 9 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.