WARF TECHNOLOGIES

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.

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 such as the breath analyzer described in WARF reference number P05416US

• 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

For More Information About the Inventors

• Scott Sanders

Related Technologies

• For potential applications for this new laser, see WARF reference number P05416US.

Tech Fields

• Analytical Instrumentation, Methods & Materials : Lasers