Ninghui Zhu Inventions, Patents And Patent Applications

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Justia Patents Ninghui Zhu Inventions, Patents and Patent Applications Patents by Inventor Ninghui Zhu

Ninghui Zhu 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).

  • QCL Spectroscopy System and Applications Therefor
    Publication number: 20210215602 Abstract: A spectroscopy system comprising at least two laser modules, each of the laser modules including a laser cavity, a quantum cascade gain chip for amplifying light within the laser cavity, and a tuning element for controlling a wavelength of light generated by the modules. Combining optics are used to combine the light generated by the at least two laser modules into a single beam and a sample detector detects the single beam returning from a sample. Type: Application Filed: October 28, 2020 Publication date: July 15, 2021 Inventors: Petros Kotidis, Erik Deutsch, Ninghui Zhu, Daniel J. Cavicchio, JR.
  • QCL spectroscopy system and applications therefor
    Patent number: 10830697 Abstract: A spectroscopy system comprising at least two laser modules, each of the laser modules including a laser cavity, a quantum cascade gain chip for amplifying light within the laser cavity, and a tuning element for controlling a wavelength of light generated by the modules. Combining optics are used to combine the light generated by the at least two laser modules into a single beam and a sample detector detects the single beam returning from a sample. Type: Grant Filed: July 17, 2018 Date of Patent: November 10, 2020 Assignee: Block Engineering, LLC Inventors: Petros Kotidis, Erik Deutsch, Ninghui Zhu, Dan Cavicchio
  • QCL Spectroscopy System and Applications Therefor
    Publication number: 20180321144 Abstract: A spectroscopy system comprising at least two laser modules, each of the laser modules including a laser cavity, a quantum cascade gain chip for amplifying light within the laser cavity, and a tuning element for controlling a wavelength of light generated by the modules. Combining optics are used to combine the light generated by the at least two laser modules into a single beam and a sample detector detects the single beam returning from a sample. Type: Application Filed: July 17, 2018 Publication date: November 8, 2018 Inventors: Petros Kotidis, Erik Deutsch, Ninghui Zhu, Dan Cavicchio
  • QCL spectroscopy system and applications therefor
    Patent number: 10031077 Abstract: A spectroscopy system comprising at least two laser modules, each of the laser modules including a laser cavity, a quantum cascade gain chip for amplifying light within the laser cavity, and a tuning element for controlling a wavelength of light generated by the modules. Combining optics are used to combine the light generated by the at least two laser modules into a single beam and a sample detector detects the single beam returning from a sample. Type: Grant Filed: March 25, 2016 Date of Patent: July 24, 2018 Assignee: Block Engineering, LLC Inventors: Petros Kotidis, Erik Deutsch, Ninghui Zhu, Dan Cavicchio
  • QCL Spectroscopy System and Applications Therefor
    Publication number: 20160209325 Abstract: A spectroscopy system comprising at least two laser modules, each of the laser modules including a laser cavity, a quantum cascade gain chip for amplifying light within the laser cavity, and a tuning element for controlling a wavelength of light generated by the modules. Combining optics are used to combine the light generated by the at least two laser modules into a single beam and a sample detector detects the single beam returning from a sample. Type: Application Filed: March 25, 2016 Publication date: July 21, 2016 Inventors: Petros Kotidis, Erik Deutsch, Ninghui Zhu, Dan Cavicchio
  • QCL spectroscopy system and applications therefor
    Patent number: 9329085 Abstract: A spectroscopy system comprising at least two laser modules, each of the laser modules including a laser cavity, a quantum cascade gain chip for amplifying light within the laser cavity, and a tuning element for controlling a wavelength of light generated by the modules. Combining optics are used to combine the light generated by the at least two laser modules into a single beam and a sample detector detects the single beam returning from a sample. Type: Grant Filed: June 4, 2014 Date of Patent: May 3, 2016 Assignee: Block Engineering, LLC Inventors: Petros Kotidis, Erik Deutsch, Ninghui Zhu, Dan Cavicchio
  • QCL Spectroscopy System and Applications Therefor
    Publication number: 20150292947 Abstract: A spectroscopy system comprising at least two laser modules, each of the laser modules including a laser cavity, a quantum cascade gain chip for amplifying light within the laser cavity, and a tuning element for controlling a wavelength of light generated by the modules. Combining optics are used to combine the light generated by the at least two laser modules into a single beam and a sample detector detects the single beam returning from a sample. Type: Application Filed: June 4, 2014 Publication date: October 15, 2015 Inventors: Petros Kotidis, Erik Deutsch, Ninghui Zhu, Dan Cavicchio
  • QCL spectroscopy system and applications therefor
    Patent number: 8780347 Abstract: A spectroscopy system comprising at least two laser modules, each of the laser modules including a laser cavity, a quantum cascade gain chip for amplifying light within the laser cavity, and a tuning element for controlling a wavelength of light generated by the modules. Combining optics are used to combine the light generated by the at least two laser modules into a single beam and a sample detector detects the single beam returning from a sample. Type: Grant Filed: June 13, 2011 Date of Patent: July 15, 2014 Assignee: Block Engineering, LLC Inventors: Petros Kotidis, Erik Deutsch, Ninghui Zhu, Dan Cavicchio
  • QCL Spectroscopy System and Applications Therefor
    Publication number: 20120033220 Abstract: A spectroscopy system comprising at least two laser modules, each of the laser modules including a laser cavity, a quantum cascade gain chip for amplifying light within the laser cavity, and a tuning element for controlling a wavelength of light generated by the modules. Combining optics are used to combine the light generated by the at least two laser modules into a single beam and a sample detector detects the single beam returning from a sample. Type: Application Filed: June 13, 2011 Publication date: February 9, 2012 Applicant: BLOCK ENGINEERING, LLC Inventors: Petros Kotidis, Erik Deutsch, Ninghui Zhu, Adam Erlich, Dan Cavicchio, John Coates, John Heanue
  • ALIGNMENT WITH THIN BONDING LAYER OF OPTICAL COMPONENTS
    Publication number: 20080260330 Abstract: An optical component is attached to a mounting block and the mounting block is attached to a carrier. The optical component is actively aligned by adjusting the optical component with respect to the mounting block and the mounting block with respect to the carrier. An adhesive used for the attachments can be in a layer of 5 microns or less to reduce thermal degradation and effects of thermal expansion. Type: Application Filed: April 19, 2007 Publication date: October 23, 2008 Inventors: Alex Rosiewicz, Ninghui Zhu
  • Reducing heating from non-coupled light in power transmitting optical fibers
    Patent number: 7309175 Abstract: Method and apparatus for mounting an optical fiber for coupling to a high power light source, the fiber being secured to its mount with a low refractive index adhesive. The low refractive index adhesive serves to reduce the coupling of light traveling within the fiber to the fiber mount, thereby reducing undesirable, potentially destructive heating in the fiber mount. The adhesive preferably comprises sol gel. Type: Grant Filed: July 28, 2006 Date of Patent: December 18, 2007 Assignee: EM4, Inc. Inventors: Alex Rosiewicz, Ninghui Zhu, Michio Matsuki
  • Package for optical components
    Publication number: 20070098332 Abstract: An inexpensive TO- or MO-series package is used to house an optical device, such as a laser, by forming an opening in a side of a package, providing an optical fiber within the opening, and coupling the optical device to the fiber. The package is preferably a TO-258 or some other similar metal package. Type: Application Filed: October 28, 2005 Publication date: May 3, 2007 Applicant: EM4, Inc. Inventors: Alex Rosiewicz, Michio Matsuki, Ninghui Zhu
  • Opto-mechanical platform
    Patent number: 6844992 Abstract: An opto-mechanical platform for supporting truncated optical elements having at least one substantially flat side surface is disclosed. In one particular exemplary embodiment, the opto-mechanical platform may be realized as an apparatus for supporting truncated optical elements having at least one substantially flat side surface. Such an apparatus may comprise a platform having a substantially flat surface area for supporting the substantially flat side surface of the truncated optical elements. Such an apparatus may also comprise at least one substantially vertical wall formed on at least a portion of the platform for providing mechanical rigidity to the platform. Type: Grant Filed: March 18, 2003 Date of Patent: January 18, 2005 Assignee: Confluent Photonics Corporation Inventors: Thomas A. Schaefer, Gregory G. Cappiello, Ninghui Zhu, Kurt E. Abdelmaseh, Evgueni V. Babenko, William J. Hubbard, Kevin J. McIntyre, Brian J. McKeen, Paul Ouellette, Andrew Radl, Dick Rolfe
  • Thermally stable mounting for a diffraction grating device
    Patent number: 6741408 Abstract: A wavelength division multiplexer (WDM) including a support structure that is coupled to at least one optical component. A diffraction grating is optically coupled to at least one optical component coupled to the at least one optical component. A frame is coupled to the diffraction grating. Pins may be coupled between the support structure and the frame to substantially thermally isolate the support structure from the frame. The pins may be substantially geometrically equally spaced and have approximately the same exposed length extending from the lens barrel. The pins may have the same coefficient of thermal expansion as the support structure. Type: Grant Filed: December 29, 2000 Date of Patent: May 25, 2004 Assignee: Confluent Photonics Corporation Inventors: Jim Beattie, Ian Turner, Ninghui Zhu
  • Opto-mechanical platform
    Publication number: 20030179472 Abstract: An opto-mechanical platform for supporting truncated optical elements having at least one substantially flat side surface is disclosed. In one particular exemplary embodiment, the opto-mechanical platform may be realized as an apparatus for supporting truncated optical elements having at least one substantially flat side surface. Such an apparatus may comprise a platform having a substantially flat surface area for supporting the substantially flat side surface of the truncated optical elements. Such an apparatus may also comprise at least one substantially vertical wall formed on at least a portion of the platform for providing mechanical rigidity to the platform. Type: Application Filed: March 18, 2003 Publication date: September 25, 2003 Inventors: Thomas A. Schaefer, Gregory G. Cappiello, Ninghui Zhu, Kurt E. Abdelmaseh, Evgueni V. Babenko, William J. Hubbard, Kevin J. McIntyre, Brian J. McKeen, Paul Ouellette, Andrew Radl, Dick Rolfe
  • THERMALLY STABLE MOUNTING FOR A DIFFRACTION GRATING DEVICE
    Publication number: 20020181128 Abstract: A wavelength division multiplexer (WDM) including a support structure that is coupled to at least one optical component. A diffraction grating is optically coupled to at least one optical component coupled to the at least one optical component. A frame is coupled to the diffraction grating. Pins may be coupled between the support structure and the frame to substantially thermally isolate the support structure from the frame. The pins may be substantially geometrically equally spaced and have approximately the same exposed length extending from the lens barrel. The pins may have the same coefficient of thermal expansion as the support structure. Type: Application Filed: December 29, 2000 Publication date: December 5, 2002 Inventors: Jim Beattie, Ian Turner, Ninghui Zhu
  • Diffraction grating for wavelength division multiplexing/demultiplexing devices
    Patent number: 6449097 Abstract: An improved diffraction grating for wavelength division multiplexing/demultiplexing devices is disclosed. The improved diffraction grating has a glass substrate, a polymer grating layer located adjacent to the glass substrate, and a metal coating layer located adjacent to the polymer grating layer. The improvement comprises a polymer coating layer located adjacent to the metal coating layer, and a glass cover located adjacent to the polymer coating layer, wherein the polymer coating layer and the glass cover compensate for thermal characteristics associated with the polymer grating layer and the glass substrate, respectively. Type: Grant Filed: June 5, 2000 Date of Patent: September 10, 2002 Assignee: Lightchip, Inc. Inventors: Ninghui Zhu, Ian Turner, Yuri A. Yudin, Mikhail N. Sokolskiy, Robert K. Wade

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