GA-1018-DG

The GA-1018-DG Single-Frequency Fiber Laser is a high-power, ultra-low-noise continuous-wave laser source operating at 1018 nm, engineered for demanding scientific and industrial applications that require exceptional spectral purity, high optical power, and long-term stability. Based on an all-polarization-maintaining fiber architecture, the GA-1018-DG integrates a narrow-linewidth seed laser with a high-efficiency fiber amplifier optimized for low phase noise and excellent beam quality. With output power scalable from 10 mW up to 10 W, this laser is ideally suited for frequency doubling, mid-infrared pump systems, solid-state laser pumping, and advanced biomedical research.

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Features
  • Single-frequency CW operation at 1018 nm
  • Ultra-narrow linewidth: <10 kHz
  • Wide power scalability: 10 mW to 10 W
  • Single longitudinal mode output
  • All-polarization-maintaining fiber design
  • Excellent beam quality: TEM₀₀, M² < 1.2
  • High polarization extinction ratio: >15 dB
  • Low noise and high long-term stability
  • Fiber-coupled output with FC/APC termination
Applications
  • Frequency doubling and nonlinear optical conversion
  • Pump source for mid-infrared (mid-IR) laser systems
  • Pump lasers for solid-state lasers
  • Neutron source pumping (solid-state laser systems)
  • Biomedical research and instrumentation
  • Precision spectroscopy and scientific research
Specifications
Parameter Specification
Wavelength 1018 ±1 nm
Operating Mode CW (Continuous Wave)
Output Power 10 mW / 1 W / 5 W / 10 W
Power Stability (rms, 4 h) <1%, <2%
Transverse Mode TEM₀₀
Longitudinal Mode Single
Spectral Linewidth <10 kHz
Beam Quality (M²) <1.2
Beam Delivery Optics FC/APC
Polarization Ratio >15 dB
Warm-up Time <30 minutes
Operating Temperature 15–30 °C
Power Supply AC 220 V
Expected Lifetime 10,000 hours
Warranty 1 year
Optional Interface RS-232 / RS-485