Technologies
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WARF: P05396US

Super-Continuum Ultraviolet Light Source with Single Stage Laser Drive


INVENTORS -

Scott Sanders, Joachim Walewski

The Wisconsin Alumni Research Foundation (WARF) is seeking commercial partners interested in developing a fiber-coupled, broadband UV light source with approximately one million times the spectral radiance of conventional UV lamps.
OVERVIEWUltraviolet (UV) lamps are used as a source of white (multi-colored) UV light for many applications; however, these lamps are large and expensive, require a high voltage, generate a lot of heat and may waste much of the bright light due to leakage when coupled with optical fibers.
THE INVENTIONUW-Madison researchers have developed a fiber-coupled, broadband UV light source with approximately one million times the spectral radiance of conventional UV lamps. This UV supercontinuum source consists of a pulsed ultraviolet laser followed by a fiber-optic cable. It produces light that is laser-like, except that it possesses many colors rather than just one. To achieve supercontinuua, a particular relationship among properties including laser pulse duration and energy, laser wavelength and fiber dispersion, diameter and length must be met.
APPLICATIONS
  • Sensing gases, biospecimens and other materials that absorb UV light
KEY BENEFITS
  • Compact; making it a practical, direct, drop-in replacement for all fiber-coupled UV lamps
  • Produces a UV continuum in a wavelength range extending to less than 350 nanometers
  • Can be coupled with a “scanner” to provide a broadly tunable UV source
  • Can be driven with a single-stage, narrow-band laser
  • Does not require spectral broadening of the fiber optic excitation pulse by an organic dye laser
  • Different types of optical fibers may be used.
ADDITIONAL INFORMATION
For More Information About the Inventors
Contact Information
For current licensing status, please contact Emily Bauer at emily@warf.org or 608-960-9842.
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Since its founding in 1925 as the patenting and licensing organization for the University of Wisconsin-Madison, WARF has been working with business and industry to transform university research into products that benefit society. WARF intellectual property managers and licensing staff members are leaders in the field of university-based technology transfer. They are familiar with the intricacies of patenting, have worked with researchers in relevant disciplines, understand industries and markets, and have negotiated innovative licensing strategies to meet the individual needs of business clients.