Journal: Optics Express
Article Title: Compact all-polarization-maintaining dual femtosecond fiber laser system with large repetition rate tuning ranges based on self-made fiber actuators
doi: 10.1364/oe.554006
Figure Lengend Snippet: Fig. 1. (a) Setup of the dual fiber laser system. PZT: piezoelectric transducer, SESAM: semiconductor saturable absorber mirror, OFM: output fiber mirror, WDM: wavelength- division multiplexer, EDF25: erbium-doped fiber(OFS, EDF25-PM, peak core absorption of 25 dB/m @1530 nm), EDF80: erbium-doped fiber (nLIGHT, Er80-4/125-HD-PM, peak core absorption of 92 dB/m @1530 nm), ISO: isolator, Pump: 980-nm semiconductor laser, PD: photodetector, HVA: high voltage amplifier, PI-1 and PI-2: proportional-integral controller, M1 and M2: electronic mixers, AMP1 and AMP2: radio frequency(RF)amplifier(Mini- Circuits, ZFL-500LN,Gain,24 dB), DDS: direct digital synthesizer(AnalogDevices, EVAL- AD9959). Intensity autocorrelation trace (b) and Optical spectrum (c) of Oscillator 1. Intensity autocorrelation trace (d) and Optical spectrum (e) of Oscillator 2. (f) Structural diagram of the fiber actuator for the repetition rate adjustment based on PZT and displacement amplifier.
Article Snippet: PZT: piezoelectric transducer, SESAM: semiconductor saturable absorber mirror, OFM: output fiber mirror, WDM: wavelengthdivision multiplexer, EDF25: erbium-doped fiber(OFS, EDF25-PM, peak core absorption of 25 dB/m @1530 nm), EDF80: erbium-doped fiber (nLIGHT, Er80-4/125-HD-PM, peak core absorption of 92 dB/m @1530 nm), ISO: isolator, Pump: 980-nm semiconductor laser, PD: photodetector, HVA: high voltage amplifier, PI-1 and PI-2: proportional-integral controller, M1 and M2: electronic mixers, AMP1 and AMP2: radio frequency(RF)amplifier(MiniCircuits, ZFL-500LN,Gain,24 dB), DDS: direct digital synthesizer(AnalogDevices, EVALAD9959).
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