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Schematic of the high speed FDML laser followed by an 8x buffer stage and a booster optical amplifier. The filter is driven at 400 kHz resulting in a 3.2 MHz scan rate after the buffer stage. SOA: semiconductor optical amplifier, FBG: fiber Bragg grating, PC: polarization controller, LDC: laser diode controller, FRM: Faraday rotation mirror, FP-TF: Fabry-Pérot tunable filter, ISO: isolator, CTRL: Driver electronics and arbitrary waveform generator, OSA: optical spectrum analyzer.
