Wisconsin Alumni Research Foundation

Analytical Instrumentation
Analytical Instrumentation
Multi-Wavelength Mode-Locked Laser
WARF: P07171US

Inventors: Scott Sanders

The Wisconsin Alumni Research Foundation (WARF) is seeking commercial partners interested in developing a mode-locked laser capable of generating multiple, discrete beams of light with different wavelengths from a single cavity.
Overview
Many laser applications require multiple, simultaneous laser beams, each with a specific wavelength. But using multiple lasers and associated optical components increases the cost and size of the systems needed for such applications.
The Invention
A UW-Madison researcher has developed a mode-locked laser capable of generating multiple, discrete beams of light with different wavelengths from a single cavity. He has also developed a method of tagging the different wavelengths so the multiplexed beam can be measured by a single detector, which produces an output signal for each of the composite wavelengths.

In this device, multiple function generators are attached to a single laser. Each frequency provided by the function generators creates a different wavelength within the laser. The different wavelengths are then encoded by a single detector for analysis.
Applications
  • Applications such as the breath analyzer described in WARF reference number P05416US
Key Benefits
  • Simplifies applications requiring multiple wavelengths of light; multiple wavelengths can be measured separately without the need for isolated optical paths or additional optical components
  • Reducing the number of lasers reduces size and cost, and simplifies controls
  • Allows precise tuning of output laser beams
  • Capable of stable operation at specified wavelengths
  • Accommodates a range of wavelengths
  • Laser cavity can be extremely short, with a concomitant rapid response time.
  • Can work with typical, currently available lasers
  • Provides a more compact, rugged and inexpensive gaseous analysis and detection system
Additional Information
For More Information About the Inventors
For current licensing status, please contact Emily Bauer at [javascript protected email address] or 608-960-9842

WARF