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22 February 2008 Green and UV frequency conversion of a variable pulse repetition frequency photonic crystal fiber system
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Abstract
We describe a pulsed green and ultraviolet laser source based on a frequency converted photonic crystal fiber (PCF) amplifier. The flexible-format all-fiber polarization maintaining (PM) seed source consists of cascaded ytterbium doped amplifiers seeded by a directly modulated 1064 nm laser diode. The seed generates pulses fixed at 3.5 ns duration from 20 kHz to 10 MHz. Up to 2.9 W of 532 nm (green) and 1 W of 355 nm (UV) output were obtained in tests from 20-100 kHz using LBO crystals for both the doubling and tripling conversion process. Scaling the pulse energies demonstrated at low repetition rates, to the high repetition rate operation possible with the flexible format seed source, shows the potential for high power, high repetition rate pulsed green and UV output for advanced applications.
© (2008) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Eric C. Honea, Matthias Savage-Leuchs, Pat Jones, and Christian Dilley "Green and UV frequency conversion of a variable pulse repetition frequency photonic crystal fiber system", Proc. SPIE 6873, Fiber Lasers V: Technology, Systems, and Applications, 68731W (22 February 2008); https://doi.org/10.1117/12.767856
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