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Utilization of time and spatial division multiplexing in high power ultrafast optical amplifiers
Utilization of time and spatial division multiplexing in high power ultrafast optical amplifiers
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机译:利用高功率超快光放大器中的时间和空间分裂复用
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摘要
In an example amplifier system, an input pulse train is passed through an optical stage that splits each pulse into two or more pulses. These divided pulses are then injected into at least two amplifiers for amplification. The amplified pulses are subsequently passed back through the same optical stage in order to combine the pulses back into one high energy pulse. The amplifier system can use time division multiplexing (TDM) and/or spatial division multiplexing (SDM) to produce, e.g., four pulses in conjunction with two amplifiers and propagation through two optical beam splitters, which are coherently combined into a single output pulse after amplification. The amplifiers can comprise fiber amplifiers or bulk amplifiers.
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