Patents by Inventor Dario POLLI

Dario POLLI 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).

  • Publication number: 20210181022
    Abstract: A Fourier-transform hyperspectral imaging system may include an optical imaging system configured to produce an image of an object, and an adjustable birefringent common-path interferometer module comprising a movable birefringent element and configured to produce interfering replicas of an input radiation which are delayed from each other by a phase delay adjustable by the moving birefringent element. The interferometer module may be configured to produce collinear replicas for entering optical rays parallel to said optical axis. The hyperspectral imaging system further comprises a two-dimensional light detector configured to receive the replicas and provide digital images of the object depending on said adjustable phase delay. The system also includes an analysis device configured to perform a Fourier Transform of the digital images to obtain a hyperspectral representation of the object.
    Type: Application
    Filed: July 25, 2019
    Publication date: June 17, 2021
    Applicants: POLITECNICO DI MILANO, CONSIGLIO NAZIONALE DELLE RICERCHE
    Inventors: Cristian Angelo MANZONI, Giulio CERULLO, Dario POLLI, Antonio PERRI, Fabrizio PREDA, Gianluca VALENTINI, Andrea BASSI
  • Publication number: 20210123808
    Abstract: A measurement system of photoluminescence properties of a sample, comprises a radiation source module configured to generate a first radiation, an excitation optical path coupled to the radiation source module, a support structured to support a sample to be optically coupled to excitation optical path and adapted to provide a photoluminescence radiation, and collection path coupled to the sample and configured to propagate the photoluminescence radiation. The system also includes an analysis device configured to receive the photoluminescence radiation and provide data/information on photoluminescence properties of sample. At least one path between the excitation path and the collection path comprises a respective adjustable birefringent common-path interferometer module configured to produce first and second radiations adapted to interfere with each other.
    Type: Application
    Filed: March 19, 2018
    Publication date: April 29, 2021
    Applicant: Politecnico di Milano
    Inventors: Dario POLLI, Giulio CERULLO, Fabrizio PREDA, Antonio PERRI, J├╝rgen HAUER
  • Publication number: 20200203911
    Abstract: A laser device for outputting filtered light pulses for inducing coherent Raman scattering in a sample. The laser device comprises a first optical cavity comprising a first gain medium; and a second optical cavity comprising a second gain medium different to the first gain medium. The first gain medium and the second gain medium are each excitable by a pump light source to generate light at respective different ranges of wavelengths. A synchronizer is optically coupled to both the first optical cavity and the second optical cavity. The synchronizer is configured to synchronize and mode-lock light from the first optical cavity and the second optical cavity. The laser device also includes a first optical filter and a second optical filter.
    Type: Application
    Filed: May 11, 2018
    Publication date: June 25, 2020
    Inventors: Daniel POPA, Giulio CERULLO, Tullio SCOPIGNO, Dario POLLI, Andrea FERRARI