20240044777. PHOTOACOUSTIC REMOTE SENSING (PARS), AND RELATED METHODS OF USE simplified abstract (ILLUMISONICS INC.)

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PHOTOACOUSTIC REMOTE SENSING (PARS), AND RELATED METHODS OF USE

Organization Name

ILLUMISONICS INC.

Inventor(s)

Parsin Haji Reza of Waterloo (CA)

Kevan Bell of Waterloo (CA)

PHOTOACOUSTIC REMOTE SENSING (PARS), AND RELATED METHODS OF USE - A simplified explanation of the abstract

This abstract first appeared for US patent application 20240044777 titled 'PHOTOACOUSTIC REMOTE SENSING (PARS), AND RELATED METHODS OF USE

Simplified Explanation

The patent application describes a photoacoustic remote sensing system (PARS) that is used for imaging a subsurface structure in a sample. The system includes laser sources that generate multiple excitation beams, which generate pressure signals in the sample at an excitation location. The system also includes interrogation beams that are incident on the sample at the excitation location, with a portion of these beams returning from the sample, indicating the generated pressure signals. An optical system focuses the excitation beams at a first focal point and the interrogation beams at a second focal point, both of which are below the surface of the sample. Detectors are used to detect the returning portion of the interrogation beams.

  • The system uses laser sources to generate excitation beams that create pressure signals in the sample.
  • Interrogation beams are used to probe the sample and detect the returning portion that carries information about the pressure signals.
  • An optical system focuses the excitation and interrogation beams at different focal points below the sample's surface.
  • Detectors are employed to capture the returning portion of the interrogation beams.

Potential Applications:

  • Medical imaging: The system can be used for non-invasive imaging of subsurface structures in biological tissues, aiding in the diagnosis of diseases.
  • Geological surveys: The technology can be applied to study the subsurface composition and structures in geological formations, assisting in resource exploration and environmental monitoring.
  • Material characterization: The system can be used to analyze the internal structure and properties of materials, enabling quality control and defect detection in manufacturing processes.

Problems Solved:

  • Non-invasive imaging: The system provides a non-invasive method for imaging subsurface structures, eliminating the need for invasive procedures.
  • High-resolution imaging: By utilizing photoacoustic sensing, the system enables high-resolution imaging of subsurface structures that may not be achievable with other imaging techniques.
  • Depth imaging: The system can image structures below the surface of a sample, allowing for the visualization of hidden features.

Benefits:

  • Improved diagnostic capabilities: The system enhances the ability to detect and diagnose diseases or abnormalities by providing detailed subsurface imaging.
  • Non-destructive testing: The technology enables non-destructive testing of materials and structures, minimizing damage and reducing costs.
  • Versatile applications: The system can be applied in various fields such as medicine, geology, and materials science, offering a wide range of potential applications.


Original Abstract Submitted

a photoacoustic remote sensing system (pars) for imaging a subsurface structure in a sample, comprising one or more laser sources configured to generate a plurality of excitation beams configured to generate pressure signals in the sample at an excitation location, and a plurality of interrogation beams incident on the sample at the excitation location, a portion of the plurality of interrogation beams returning from the sample that is indicative of the generated pressure signals, an optical system configured to focus the plurality of excitation beams at a first focal point and the plurality of interrogation beams at a second focal point, the first and second focal points being below the surface of the sample, and a plurality of detectors each configured to detect a returning portion of at least one of the plurality of interrogation beams.

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