Patents by Inventor Thomas A. Mitchell

Thomas A. Mitchell has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 12242077
    Abstract: Imagers and imaging spectrometers, which are more compact in physical size with wider spatial fields than previous designs and include axis bending elements, are disclosed.
    Type: Grant
    Filed: September 26, 2021
    Date of Patent: March 4, 2025
    Assignee: Wavefront Research, Inc.
    Inventor: Thomas A. Mitchell
  • Patent number: 11892349
    Abstract: The present disclosure provides an imaging optical system. In one aspect, the imaging optical system includes, among other things, a segmented light redirecting element configured to redirect the at least two portions of said electromagnetic radiation into substantially different directions and a segmented light separating element configured to substantially separate electromagnetic radiation into at least two portions.
    Type: Grant
    Filed: September 29, 2021
    Date of Patent: February 6, 2024
    Assignee: Wavefront Research, Inc.
    Inventors: Thomas A. Mitchell, Thomas W. Stone
  • Patent number: 11846392
    Abstract: A system including an optical system having at least one refractive or reflective element, the optical system configured to substantially receive electromagnetic radiation emanating from a source, the optical system being located within a Dewar, a support structure, support structure being mechanically disposed between the optical system and a surface of the Dewar, the support structure having substantially low thermal conductance, a cold source; the cold source being located within the Dewar, a thermal link, the thermal link being mechanically disposed between the optical system and the cold source, the thermal link being substantially flexible and having substantially high thermal conductance.
    Type: Grant
    Filed: March 23, 2022
    Date of Patent: December 19, 2023
    Assignee: Wavefront Research, Inc.
    Inventors: Thomas A. Mitchell, Jonas D. Corl
  • Patent number: 11782194
    Abstract: Configurable afocal optical system that can be configured to have different magnifications, including unity magnification, and which are capable of being cascaded to produce any number of magnifications.
    Type: Grant
    Filed: June 11, 2022
    Date of Patent: October 10, 2023
    Assignee: Wavefront Research, Inc.
    Inventor: Thomas A. Mitchell
  • Patent number: 11698294
    Abstract: The present disclosure provides an optical imager and a method for imaging electromagnetic radiation. In one aspect, the optical imager includes an object array substantially located at an object plane, a first catadioptric element configured to substantially collimate, at a central plane, electromagnetic radiation emanating from the object array, a second catadioptric element configured to image the substantially collimated electromagnetic radiation from the central plane onto an image plane, and a detecting element substantially located at the image plane. The first catadioptric element includes at least one refractive surface and at least one reflective surface, and the second catadioptric element includes at least one refractive surface and at least one reflective surface.
    Type: Grant
    Filed: January 27, 2021
    Date of Patent: July 11, 2023
    Assignee: Wavefront Research, Inc.
    Inventor: Thomas A. Mitchell
  • Patent number: 11662251
    Abstract: An imaging optical system including a plurality of imaging optical sub-systems, each having at least one optical element and receiving light from a source, and a plurality of spectrometer optical sub-systems, each spectrometer optical sub-system receiving light from at least one of the imaging optical sub-systems, each imaging optical sub-system and spectrometer optical sub-system combination having a spatial distortion characteristic, each spatial distortion characteristic having a predetermined relationship to the other spatial distortion characteristics.
    Type: Grant
    Filed: March 7, 2022
    Date of Patent: May 30, 2023
    Assignee: Wavefront Research, Inc.
    Inventor: Thomas A. Mitchell
  • Patent number: 11652129
    Abstract: The present disclosure provides an optoelectronic module. In one aspect, the optoelectronic module includes an insertion member including a housing insert and an imager disposed in the housing insert, and a receiving member including an interposer, a housing disposed on the interposer, and an optoelectronic device electrically connected to said interposer. The housing of the receiving member is configured to engage and receive the housing insert of the insertion member. The optoelectronic device of the receiving member is configured to align with the imager of the insertion member.
    Type: Grant
    Filed: June 21, 2021
    Date of Patent: May 16, 2023
    Assignee: Wavefront Research, Inc.
    Inventors: David M. Vincentsen, Jonas D. Corl, Thomas A. Mitchell, Michelle M. Stone, Thomas W. Stone, Randall C. Veitch
  • Patent number: 11585986
    Abstract: Optical connectors that substantially preserve alignment and are easy to manufacture. The alignment system using the optical connectors disclosed herein include a first housing, a second housing and an alignment component, the said alignment component configured to provide optical alignment between the optical components.
    Type: Grant
    Filed: January 14, 2020
    Date of Patent: February 21, 2023
    Assignee: Wavefront Research, Inc.
    Inventors: Jonas D. Corl, David M. Vincentsen, Thomas A. Mitchell, Michelle M. Stone, Thomas W. Stone, James W. Guelzow
  • Patent number: 11454538
    Abstract: An alternate calibration device and method for calibration of optical sensors having a reduced size, weight, and power (SWaP) as well as increasing the sensors modularity and potentially improving the accuracy and stability of its radiometric calibration.
    Type: Grant
    Filed: August 28, 2020
    Date of Patent: September 27, 2022
    Assignee: Wavefront Research, Inc.
    Inventor: Thomas A. Mitchell
  • Patent number: 11448890
    Abstract: The present disclosure provides an optical system. In one aspect, the optical system includes a plurality of imagers configured to emit an electromagnetic radiation, a plurality of optical sensors configured to receive the electromagnetic radiation from the imagers, and a beam splitting device disposed at an optical path between the imagers and the optical sensors. In one example, the beam splitting device is a multi-way beam splitter configured to receive the electromagnetic radiation from one of the imagers and separate the received electromagnetic radiation into a plurality of portions, each separated portion of the received electromagnetic radiation being directed to one of the optical sensors.
    Type: Grant
    Filed: October 30, 2020
    Date of Patent: September 20, 2022
    Assignee: Wavefront Research, Inc.
    Inventor: Thomas A. Mitchell
  • Patent number: 11375143
    Abstract: Optical systems that provide non-uniformity correction devices that are capable of providing low radiance level sources.
    Type: Grant
    Filed: March 1, 2021
    Date of Patent: June 28, 2022
    Assignee: Wavefront Research, Inc.
    Inventor: Thomas A. Mitchell
  • Patent number: 11360246
    Abstract: Configurable afocal optical systems that can be configured to have different magnifications, including unity magnification, and which are capable of being cascaded to produce any number of magnifications.
    Type: Grant
    Filed: March 18, 2019
    Date of Patent: June 14, 2022
    Assignee: Wavefront Research, Inc.
    Inventor: Thomas A. Mitchell
  • Patent number: 11353359
    Abstract: The present disclosure provides an imaging optical system. In one aspect, the imaging optical system includes, among other things, a segmented light redirecting element configured to redirect the at least two portions of said electromagnetic radiation into substantially different directions and a segmented light separating element configured to substantially separate electromagnetic radiation into at least two portions.
    Type: Grant
    Filed: April 12, 2021
    Date of Patent: June 7, 2022
    Assignee: Wavefront Research, Inc.
    Inventors: Thomas A. Mitchell, Thomas W. Stone
  • Patent number: 11340112
    Abstract: A reflective relay spectrometer design based on reflective optical relay systems, which is more compact in physical size and superior in spectral imaging quality than previous designs, is disclosed.
    Type: Grant
    Filed: July 17, 2020
    Date of Patent: May 24, 2022
    Assignee: Wavefront Research, Inc.
    Inventor: Thomas A. Mitchell
  • Patent number: 11287086
    Abstract: A system including an optical system having at least one refractive or reflective element, the optical system configured to substantially receive electromagnetic radiation emanating from a source, the optical system being located within a Dewar, a support structure, support structure being mechanically disposed between the optical system and a surface of the Dewar, the support structure having substantially low thermal conductance, a cold source; the cold source being located within the Dewar, a thermal link, the thermal link being mechanically disposed between the optical system and the cold source, the thermal link being substantially flexible and having substantially high thermal conductance.
    Type: Grant
    Filed: April 20, 2018
    Date of Patent: March 29, 2022
    Assignee: Wavefront Research, Inc.
    Inventors: Thomas A. Mitchell, Jonas D. Corl
  • Patent number: 11268856
    Abstract: An imaging optical system including a plurality of imaging optical sub-systems, each having at least one optical element and receiving light from a source, and a plurality of spectrometer optical sub-systems, each spectrometer optical sub-system receiving light from at least one of the imaging optical sub-systems, each imaging optical sub-system and spectrometer optical sub-system combination having a spatial distortion characteristic, each spatial distortion characteristic having a predetermined relationship to the other spatial distortion characteristics.
    Type: Grant
    Filed: December 28, 2020
    Date of Patent: March 8, 2022
    Assignee: Wavefront Research, Inc.
    Inventor: Thomas A. Mitchell
  • Patent number: 11131860
    Abstract: Imagers and imaging spectrometers, which are more compact in physical size with wider spatial fields than previous designs and include axis bending elements, are disclosed.
    Type: Grant
    Filed: September 8, 2016
    Date of Patent: September 28, 2021
    Assignee: Wavefront Research, Inc.
    Inventor: Thomas A. Mitchell
  • Patent number: 11086111
    Abstract: A reflective imager design that is telecentric in image space, or equivalently telecentric at an image plane, or equivalently having an exit pupil located substantially at infinity, while also having an external entrance pupil and a high throughput or fast optical speed is described.
    Type: Grant
    Filed: April 12, 2019
    Date of Patent: August 10, 2021
    Assignee: Wavefront Research, Inc.
    Inventor: Thomas A. Mitchell
  • Patent number: 11043526
    Abstract: The present disclosure provides an optoelectronic module. In one aspect, the optoelectronic module includes an insertion member including a housing insert and an imager disposed in the housing insert, and a receiving member including an interposer, a housing disposed on the interposer, and an optoelectronic device electrically connected to said interposer. The housing of the receiving member is configured to engage and receive the housing insert of the insertion member. The optoelectronic device of the receiving member is configured to align with the imager of the insertion member.
    Type: Grant
    Filed: May 24, 2020
    Date of Patent: June 22, 2021
    Assignee: Wavefront Research, Inc.
    Inventors: David M. Vincentsen, Jonas D. Corl, Thomas A. Mitchell, Michelle M. Stone, Thomas W. Stone, Randall C. Veitch
  • Patent number: 10976194
    Abstract: The present disclosure provides an imaging optical system. In one aspect, the imaging optical system includes, among other things, a light bending element configured to substantially separate electromagnetic radiation into at least two portions, and configured to redirect the at least two portions of said electromagnetic radiation into substantially different directions.
    Type: Grant
    Filed: June 6, 2020
    Date of Patent: April 13, 2021
    Assignee: Wavefront Research, Inc.
    Inventor: Thomas A. Mitchell