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LUNA Luna Innovations

GRANT
Utility
Distributed fibre optic sensing for in-train forces monitoring
28 Sep 21
This application relates to methods and apparatus for monitoring data obtained as a train (202) travels on along a rail track (201) to detect the occurrence and/or severity of any significant in-train forces, such as may be caused by heavy braking or excessive acceleration.
Chris Esprey, Alastair Godfrey
Filed: 19 Jun 17
GRANT
Utility
Distributed pressure sensing
21 Sep 21
This application relates to methods and apparatus for distributed fibre optic sensing that can provide an indication of the absolute value of pressure acting on a sensing portion of a fibre optic cable.
Alastair Godfrey
Filed: 31 May 18
GRANT
Utility
Optic fibres and fibre optic sensing
24 Aug 21
Fiber optic cables with improved performance for use in distributed sensing, for instance in distributed acoustic sensors, are disclosed.
David John Hill, Magnus McEwen-King, Roger Ian Crickmore
Filed: 12 Jun 17
GRANT
Utility
Determining wellbore properties with an optic fibre while lowering a casing
17 Aug 21
This application relates to method and apparatus for determining properties of a wellbore (201).
Kevin Boone
Filed: 19 Dec 16
GRANT
Utility
Apparatus, systems, and methods for determining nonlinear properties of a material to detect early fatigue or damage
17 Aug 21
An inspection apparatus detects one or more characteristics of a material sample and includes a transmitter to transmit an initial signal to the material sample, and a receiver to receive a detected signal from the material sample associated with the initial signal.
Matthew Ryan Webster, Kevin Farinholt, Gheorghe Bunget
Filed: 15 Jun 18
GRANT
Utility
Distributed measurement of minimum and maximum in-situ stress in substrates
1 Jun 21
A system for performing distributed measurements of in-situ stress includes an expandable element with at least one fiber optic sensor.
Osgar John Ohanian, III, Daniel R. Vandenberge, Matthew Anthony Davis
Filed: 28 Aug 18
GRANT
Utility
Downhole surveillance
16 Mar 21
Method and apparatus for surveying the downhole environment in a steam stimulated well such as a Steam Assisted Gravity Draining well are described.
James Roy, Carson Laing
Filed: 31 Mar 15
GRANT
Utility
Sine-cosine optical frequency encoder devices based on optical polarization properties
19 Jan 21
Optical polarization-based devices and techniques are provided to enable low cost construction and easy signal processing to measure the light frequency via measurements of signals associated with a delay between the two orthogonal polarizations after passing through a DGD element and the retardation value of the DGD element without directly measuring the optical frequency.
Xiaotian Steve Yao, Xiaojun James Chen
Filed: 9 May 18
GRANT
Utility
Security switch
2 Nov 20
The present disclosure relates to optical switching devices and switch modules that are designed for long-term security monitoring of high-value infrastructure access entry points.
Stephen K. Ferguson
Filed: 1 May 19
GRANT
Utility
Methods and apparatus for interferometric interrogation of an optical sensor
26 Oct 20
A high-speed interrogation system is provided for interferometric sensors, one example of which is an EFPI sensor, that operates based on spectral interference.
Janet Renee Pedrazzani, Matthew Davis, Evan M. Lally
Filed: 8 Nov 18
GRANT
Utility
Measurement systems and methods for corrosion testing of coatings and materials
7 Sep 20
A measurement system permits environmental, corrosion damage, and mechanical property measurements to assess protection properties of coatings.
Fritz John Friedersdorf, Conrad Koenig Andrews, Paul Gordon Muskopf, Kathryn Beryl Ridder
Filed: 24 Sep 14
GRANT
Utility
Measurement systems and methods for corrosion testing of coatings and materials
7 Sep 20
A measurement system permits environmental, corrosion damage, and mechanical property measurements to assess protection properties of coatings.
Fritz John Friedersdorf, Conrad Koenig Andrews, Paul Gordon Muskopf, Kathryn Beryl Ridder
Filed: 5 Apr 17
GRANT
Utility
Complete characterization of polarization-maintaining fibers using distributed polarization analysis
27 Jul 20
Devices, systems and techniques for measuring optical polarization-related parameters in optical materials and devices such as polarization maintaining (PM) fiber links based on polarization crosstalks that spatially distribute over a length of a material such as a PM fiber link.
Xiaotian Steve Yao, Xiaojun Chen
Filed: 26 Jul 15
GRANT
Utility
Overcoming Rayleigh backscatter in wavelength division multiplexed fiber optic sensor systems and fault detection in optical networks
27 Jul 20
Systems, methods, and structures for overcoming Rayleigh backscatter in wavelength division multiplexed fiber optic systems and in particular fiber optic sensor systems along with method(s) for detecting faults in optical networks employing the intentional temporal separation of share wavelength noise and demarcation signals in conjunction with the use of accumulated Rayleigh noise signal(s) to detect a fault location.
Todd Christian Haber, Justin Stay, Joel Leslie Mock, Daniele Costantini
Filed: 10 Mar 19
GRANT
Utility
Sensitive optical fiber shape sensing based on shape-related optical polarization evolution
1 Jun 20
This patent document discloses fiber sensing techniques and devices for shape monitoring by using single- and multi-core optical fiber implementations and optical interferometry.
Anton Khomenko, Xiaotian Steve Yao, Xiaojun James Chen
Filed: 21 Feb 18
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