SPFL-Series

SPFL Series 1550 nm Single-Frequency Pulsed Fiber Laser

The SPFL series provides pulse energy options of 10 µJ and 300 µJ, optimized for interferometric and atmospheric sensing applications.

Key Features

  • Adjustable pulse width
  • Linewidth <1 kHz
  • High peak power
  • Excellent beam quality

Applications

  • Coherent Doppler lidar
  •  Atmospheric environment monitoring
  • Wind speed measurement
  • Aerospace and remote sensing research

SPFL Technical Parameters

SPFL-10

Parameter Name Unit Specifications
    Min Typical Max
Optical Parameters
Linewidth kHz 300
Center Wavelength nm 1545 1550 1555
AOM Frequency Shift MHz 160
Pulse Repetition Frequency kHz 20
Pulse Width (FWHM) ns 50 500
Single Pulse Energy @200ns µJ 10
Pulse Extinction Ratio dB 100
Polarization Extinction Ratio dB 20
Side-Mode Suppression Ratio dB 50
Beam Quality M² 1.3
Output Polarization dB 30
Power Stability RMS % 3
Output Fiber Type PM1550
Output Method Optical Switch, FC/APC interface
LO Output Power mW 2
LO Output Fiber Type PM1550
LO Output Method FC/APC interface
Coupler With 50/50 Coupler
Communication Protocol RS232
Trigger Mode Internal Trigger/External Trigger
Cooling Method Conduction Cooling
Functional Parameters
Power Supply VDC 12-24
Average Power Consumption W 20
Environmental Parameters
Operating Temperature °C -40 60
Storage Temperature °C -40 80
Relative Humidity % 80

SPFL-300

Parameter Name Unit Min Typical Max
Optical Parameters
Linewidth kHz 300
Center Wavelength nm 1545 1550 1555
AOM Frequency Shift MHz 80
Pulse Repetition Frequency kHz 10
Pulse Width (FWHM) ns 200 600
Single Pulse Energy @600ns µJ 300
Pulse Extinction Ratio dB 100
Polarization Extinction Ratio dB 20
Side-Mode Suppression Ratio dB 50
Beam Quality M² 1.3
Output Isolation dB 28
Power Stability RMS % 3
Output Fiber Type PLMA-GDF-25/300
Output Method FC/APC interface
LO Output Power mW 2 3
LO Output Fiber Type PM1550
LO Output Method FC/APC interface
Coupler With 50/50 coupler
Communication Protocol RS232
Trigger Mode Internal Trigger/External Trigger
Cooling Method Conduction Cooling
Functional Parameters
Power Supply VDC 24
Average Power Consumption W 70
Environmental Parameters
Operating Temperature °C -40 60
Storage Temperature °C -40 80
Relative Humidity % 80