Cavity-Based Mid-IR Fiber Gas Laser Pumped By A Diode Laser
By Muhammad Rosdi Abu Hassan, Fei Yu, William J. Wadsworth, and Jonathan C. Knight of the Optical Society
Lasers for mid-infrared (IR) applications have gone through rapid development with many competing technologies and techniques. One technique is to use traditional gas lasers with standard gain fibers. This method, however, is limited in its interaction length, and the system is bulky and inflexible as a whole. This application note demonstrates another technique that uses a mid-IR fiber gas laser utilizing feedback in an optical cavity. The laser method works through the use of acetylene gas in a high-performance silica hollow-core fiber. It is able to lase in either continuous wave or synchronously pumped when pumped by telecom-wavelength diode lasers. For the complete data on this laser demonstration, download the paper.
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