Research

Patents

Southwest Sciences patent portfolio about 40 patents falling in six technology areas. Southwest Sciences licenses our technology to manufacturers for particular fields of use. Contact Alan Stanton or Joel Silver by phone at (505) 984-1322 or by email at info@swsciences.com for more information.

Laser-Based Gas Detection

  • Frequency-Feedback Cavity Enhanced Spectrometer, U.S. Patent 9,110,006.
  • Methods for Detecting Bacterial Infections, U.S. Patent 9,518,972.
  • Fluid Properties Measurements Using Wavelength Modulation Spectroscopy with First Harmonic Detection, U.S. Patent 8,896,836.
  • Diode Laser-Based Ketone and Aldehyde Detection, U.S. Patent 7,790,467.
  • Portable Natural Gas Leak Detector, U.S. Patent 7,710,568.
  • Gas Measurement Over Extreme Dynamic Range of Concentrations, U.S. Patent 7,616,316.
  • Oxygen Sensor for Aircraft Fuel Inerting Systems, U.S. Patent 7,352,464.
  • Envelope Functions for Modulation Spectroscopy,” U.S. Patent 6,940,599.
  • Envelope Functions for Modulation Spectroscopy,” U.S. Patent 7,230,711.
  • Optical Absorbance Sensitivity and Reliability Improvement via Rotation of Sample Container, U.S. Patent 7,126,685
  • Tone Burst Diode Laser Spectroscopy, U.S. Patent 6,611,335.
  • Wavelength Modulated Photoacoustic Spectrometers, U. S. Patent 6,552,792.
  • Wavelength Modulated Photoacoustic Spectrometers, U. S. Patent 6,608,683.
  • Wavelength Modulated Photoacoustic Spectrometers, U. S. patent 6,618,148.
  • Wavelength Modulation Spectroscopy with Multiple Harmonic Detection, U. S. Patent 6,356,350
  • Dual-Modulation Laser Line-Locking Technique for Wavelength Modulation Spectroscopy, U.S. Patent 6,351,309.
  • Phaseless wavelength modulation spectroscopy, U. S. Patent 5,973,782
  • Dual-Modulation Laser Line-Locking for Wavelength Modulation Spectroscopy, U.S. Patent 5,969,825.
  • Process for Reducing Interfering Signals in Optical Measurements of Water Vapor, U.S. Patent 5,804,702.
  • Laser Absorption Detection Enhancing Apparatus and Method, U. S. Patent 4,934,816.

Measuring Electric and Magnetic Fields

  • Wavelength-Modulated Coherence Pumping and Hyperfine Repumping for an Atomic Magnetometer, U.S. Patent 9,869,731.
  • Pulsed Free Induction Decay Nonlinear Magneto-Optical Rotation Apparatus, U.S. 8,421,455.
  • Electro-Optic Electric Field Probe, U. S. Patent 6,587,258.
  • Method and Apparatus for Determining Wave Characteristics from Wave Phenomena, U. S. Patent 6,219,142.

Lasers and Optics

  • Dense Pattern Multipass Cell, U.S. Patent 7,800,751.
  • Dense Pattern Optical Multipass Cell, U.S. Patent 7,477,377.
  • Near Re-Entrant Dense Pattern Optical Multipass Cell, U.S. Patent 7,307,716.
  • Broadband External Cavity Diode Laser, U.S. Patent 7,245,642.
  • Discrete Wavelength-Locked External Cavity Laser U.S. Patent 6,914,917.
  • Wavelength Agile External Cavity Diode Laser, U.S. Patent 6,683,895.

Laser-Based Imaging

  • Method for Non-Destructive Evaluation of Ceramic Coatings, U.S. Patent 9,488,470.
  • Method and Apparatus for Full Phase Interferometry, U.S. Patent 7,394,546.
  • Method and Apparatus for Imaging Internal Structures of Transparent and Translucent Materials, U.S. Patent 7,079,254.

Signal Processing

  • Fire Alarm Algorithm using Smoke and Gas Sensors, U.S. Patent 7,142,105.
  • Determination of Fit Basis Functions,” U.S. Patent 7,003,436.
  • Determination of Fit Basis Functions,” U.S. Patent 7,092,852.
  • Filtering to Measure Gas Concentrations from Spectral Features,” U.S. Patent 6,615,142.

Mass Spectroscopy and Ion Detection

  • Mass Spectroscopic Method and Apparatus, U. S. Patent 5,015,848.