11 March 2016 Multi-mJ bursts of green light obtained by frequency doubling the output of a fiber based MOPA
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Abstract
We demonstrate a fiber laser that generates bursts of 70-300 pulses at a frequency of 2-8 MHz with over 4 mJ of energy per burst at a wavelength of 532 nm. The output of an Yb-doped fiber amplifier chain is doubled in a single pass through an LBO crystal with efficiency of above 65%. A seed-diode generates the pulse train, which is amplified to a peak power that allows efficient SHG. Such a solution may have many industrial and other applications, where fiber-based solutions have many advantages, but suffer a disadvantage of relatively low pulse energy.
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Eitan E. Rowen, Nir Shalev, Eran Tal, Kobi Lasri, Eran Inbar, "Multi-mJ bursts of green light obtained by frequency doubling the output of a fiber based MOPA", Proc. SPIE 9728, Fiber Lasers XIII: Technology, Systems, and Applications, 97282Y (11 March 2016); doi: 10.1117/12.2211558; https://doi.org/10.1117/12.2211558
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