1550nm single-band narrow linewidth nanosecond pulsed fiber laser
The laser uses a single-band narrow linewidth laser as the seed source, and cooperates with a high-power gain fiber module to output a single-band narrow linewidth laser pulse with high peak value and high energy, and the laser wavelength and power are stable, which can be used for coherent lidar and fiber sensing systems.
characteristic
High pulse energy
Pulse width, repetition frequency, and power are adjustable
apply
Fiber optic sensing
Laser for wind measurement
parameter
Center Wavelength ：1550nm
Spectral linewidth: ≤3/≤100kHz
Maximum single pulse energy: 10μJ @Pulse frequency=20kHz, pulse duration=200ns
Maximum output peak power: ≥ 50W 50W peak @ pulse frequency = 20kHz, pulse duration = 200ns
Maximum average laser power: 100~200mW @Pulse energy
=10uJ, pulse frequency = 10~20kHz
Pulse width: 20~1000ns *Refers to the full width of the pulse bottom, adjustable
Repetition rate: 1~200kHz adjustable
Pulse turn-off ratio: ≥60dB
Beam quality M2: ≤1.1(@When working with the output of the fiber collimator)
output isolation:≥30dB
Short-term stability (15 mins): ≤ ±0.02dB (equivalent≤±0.5%)
Long-term stability (8 hours): ≤ ±0.05dB (equivalent ≤±1.2%)
Output laser polarization state: random/linear polarization
Optical power monitoring: output optical power monitoring
Pigtail type and connector: SMF-28/PM1550（900um casing, length 0.3m）
Pigtail joint type: FC/APC or fiber collimator
Control mode: RS232 serial communication
Communication interface: DB9 Female
Trigger mode: TTL, internal/external trigger (optional)
Electricity Desktop： 100~240V AC, <30W
Electricity module：12V 3A DC, <30W
Desktop Size：260(W)×320(D)×120(H)mm
module Size：139(W)×235(D)×70(H)mm
Operating temperature：5 ~ 35°C
Operating humidity：0~70%
