Figure 1
Schematic of the developed fibre laser system. LD1: laser diode (3S photonics, 1999CHP), WDM: wavelength division multiplexer, EDF1: erbium-doped fibre (Coractive, EDF-L1500), Col: collimator, QWP: quarter wave plate, HWP: half wave plate, Iso: Faraday isolator (Thorlabs, IO-4–1550-VLP), HR: dielectric mirror, PZT: piezo electric transducer (Thorlabs, PK4FXP2), PBS: polarization beam splitter, LD2: laser diode (3S photonics, 1999CVB), EDF2: erbium-doped fibre (Liekki, Er80-8/125), PD: photodetector (Thorlabs, DET08C), LPF: low-pass filter (Thorlabs, FEL1500). |