GV-E-1940N

The GV-E-1940N is a high-power, fiber-coupled diode laser system operating at 1940 nm, integrating the laser diode, fiber-coupling optics, laser power supply, and precise current and temperature control into a single compact unit. Designed for stability, reliability, and ease of operation, the system features adjustable output power, accurate temperature control, and an LED display for real-time monitoring of diode current.

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Features
  • Fiber-coupled diode laser operating at 1940 nm
  • Continuous-wave (CW) operation
  • High output power after fiber, scalable up to 80 W
  • Excellent long-term power stability
  • Integrated current and temperature control
  • LED display for diode current monitoring
  • Optional red pilot laser
  • SMA905 fiber connector for easy system integration
  • TTL and analog modulation capability
  • Air-cooled or water-cooled configurations available
  • Compact, integrated laser system design
Applications
  • Laser pumping
  • Scientific and academic research
  • Industrial laser processing
  • Medical and biomedical technologies
  • Mid-infrared optical systems
  • Fiber-delivered laser applications
Specifications
Parameter Specification
Model GV-E-1940N
Wavelength 1940 ± 10 nm
Operating Mode Continuous Wave (CW)
Output Power (After Fiber) >15 W, 16 W … 20 W (standard); 20–80 W (on request)
Power Stability (RMS, over 4 hours) < 2%, < 1%, < 0.5%
Red Pilot Light Available on request
Fiber Core Diameter 400 µm / 600 µm
Fiber Numerical Aperture (NA) 0.22
Fiber Connector SMA905
Fiber Length 2 m
Display LED (diode current)
Modulation TTL or Analog
Modulation Frequency 1 Hz – 1 kHz (standard); 1 kHz–10 kHz, 10 kHz–30 kHz (optional)
Operating Temperature 10 – 40 °C
Input Power 100–240 VAC, 50–60 Hz
Cooling Method Air cooled or Water cooled
Dimensions (L × W × H) 370 × 406 × 188 mm (custom dimensions on request)
Expected Lifetime 10,000 hours
Warranty 1 year