Raycus 380W & 500W 915nm Direct-Diode Laser Source

Introducing the next generation of Raycus direct-diode laser modules, engineered for superior power density and reliability. This series features two optimized form factors: a compact 380W unit and an extended 500W version, both delivering high-efficiency 915nm infrared output. Designed as dedicated “photonic engines” for integration into professional laser cutting, welding, cladding, and marking systems, they offer OEMs and system integrators a robust, ready-to-use core light source with industry-leading performance.

Technical Specifications

• Model Variants:

  • Model RLD-NG-380 (Compact): Original design, optimized for space-constrained integration.

  • Model RLD-NG-500 (Extended): High-power variant with enhanced thermal management for maximum output.

• Optical Performance (Both Models):

  • Wavelength: 915nm (±3nm)

  • Beam Quality (BPP): < 25 mm·mrad (fiber-coupled output, dependent on core size)

  • Power Stability: < ±2%

  • Spectral Width (FWHM): < 6nm

• Output Power & Electrical:

  Parameter	RLD-NG-380	RLD-NG-500
  Nominal Optical Power	380W	500W
  Operating Current	~20A DC	~26A DC
  Operating Voltage	~2.1V	~2.1V
  Threshold Current	~4A	~5A
  Slope Efficiency	> 1.7 W/A	> 1.8 W/A
  Drive Requirement	Constant Current (CC) Laser Driver	Constant Current (CC) Laser Driver

• Thermal Management (CRITICAL):

  • Cooling Method: Mandatory active water cooling.

  • Coolant Temperature: 15°C – 25°C recommended.

  • Flow Rate: > 3 L/min for RLD-NG-380; > 4 L/min for RLD-NG-500.

  • Max Case Temp (Operating): 35°C (for rated power and lifespan).

• Fiber Delivery Options (Configurable):

  • Core Diameters Available: 200µm, 400µm, 600µm, 1000µm.

  • Fiber Connector: SMA-905, QBH, or D80.

  • Standard Length: 3 meters.

• Physical & Interface:

  • Housing: Industrial hard-anodized aluminum.

  • Control Interface: Analog (0-5V) / TTL modulation enable. Includes interlock, temperature monitor, and fault signals.

  • Connectors: Water In/Out (¼” NPT), Power Input, Signal Port, Fiber Output.

Key Features & Advantages

• Next-Gen Performance: Leverages latest diode chip and packaging technology for improved efficiency and power density.

• Dual-Power Flexibility: Choose the compact 380W module for space efficiency or the 500W module for maximum raw power in the same product family.

  • Compact (380W): Ideal for multi-head systems, portable equipment, or upgrades where footprint is critical.

  • Extended (500W): Designed for high-throughput industrial stations demanding top-tier power.

• Optimized Thermal Design: Advanced internal cooler design ensures even heat extraction, critical for stability at high power levels.

• Robust Industrial Design: Built for 24/7 operation in manufacturing environments with comprehensive protection circuits.

• Plug-and-Play Integration: Standardized mechanical, electrical, and fluid interfaces simplify system design and assembly.

Applications

• Metal Processing: Cutting and welding of thin to medium gauge steels.

• Laser Cladding & Additive Manufacturing: For surface coating and 3D metal deposition.

• Plastic Welding & Cutting: High-speed processing of polymers and composites.

• Laser Marking & Engraving: Deep engraving on metals and ceramics.

• Pumping: As a pump source for fiber or solid-state laser systems.

Package Contents

• 1 x Raycus RLD-NG-380 or RLD-NG-500 Laser Module

• 1 x Fiber Optic Cable (with selected core and connector)

• 1 x Set of Water Cooling Fittings

• 1 x Operation & Safety Manual

• 1 x Test Report (Power/Wavelength)

Ordering Information (SKU Table)

Manufacturer: Raycus Laser
Designed for integration by professionals. Proper cooling, driving, and safety measures are essential for operation.