Paper | Title | Page |
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TUPOA41 | FPGA Control of Coherent Pulse Stacking | 367 |
SUPO52 | use link to see paper's listing under its alternate paper code | |
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Coherent pulse stacking (CPS) is a new time-domain coherent addition technique that stacks several optical pulses into a single output pulse, enabling high pulse energy from fiber lasers. Due to advantages of precise timing and fast processing, we use an FPGA to process digital signals and do feedback control so as to realize stacking-cavity stabilization. We develop a hardware and firmware design platform to support the coherent pulse stacking application. A firmware bias control module stabilizes the amplitude modulator at the minimum of its transfer function. A cavity control module ensures that each optical cavity is kept at a certain individually-prescribed and stable round-trip phase with 2.5 deg rms phase error. | ||
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Poster TUPOA41 [5.546 MB] | |
DOI • | reference for this paper ※ https://doi.org/10.18429/JACoW-NAPAC2016-TUPOA41 | |
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