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785nm, 500mW, Grating Wavelength Stabilized High Power DFB Laser, Narrow Spectral Linewidth

  • Spectrum of 785nm Wavelength Stabilized Narrow Linewidth Laser Diode
  • OSA Plot 785nm Raman Laser Diode
  • LIV Curve of 785nm Spectroscopy Laser
  • 785nm Butterfly Laser Diode from RealLight
  • 785nm Raman Laser Pinout

sku / item#: RLS / 785NM-500MW-RL
ships: In-Stock (USA) -- Quantity Available: 2

Key Features
  • Wavelength Stabilized 785nm Laser Diode for Raman Spectroscopy Applications
  • Volume Bragg Grating (VBG) Stabilized
  • Narrow Spectral Width: < 0.1nm
  • Wavelength: 785nm ±0.5nm
  • Butterfly Package with Internal Cooler, Thermistor and Photodiode
  • 105 μm Fiber, NA 0.22
  • Fiber Connector: FC/PC (SMA905 also available)
  • Offered by RealLight Technology Company, a Laser Lab Source Marketplace Seller
  • Sold & Supported in North America by: LaserDiodeSource.com, part of the
    Laser Lab Source Marketplace Group

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PRICE $1000.00
Laser Specifications
  • CW Output Power: 500 mW
  • Center Wavelength: 785 nm (±0.5 nm)
  • Spectral Width: < 0.1 nm
  • Temperature Tuning Coefficient: 0.01 nm/℃
  • Current Tuning Coefficient: 0.05 nm/A
Fiber and Connector
  • Fiber Core Diameter: 105 μm
  • Fiber Cladding Diameter: 125 µm
  • Fiber Coating Diameter: 250 µm
  • Numerical Aperture: 0.22 NA
  • Connector: FC/PC or SMA905 (specify @ time of order)
Electrical Specifications
  • Threshold Current: 0.4 A
  • Operating Current: 1.1 A
  • Operating Voltage: 2.0 V
  • TEC max Current: 2.5 A
  • TEC max Voltage: 6.3 V
  • Monitor Photodiode Range: 2000 μA
  • Thermistor: 10 (±5%) kΩ (@25℃)
  • Slope Efficiency: 0.7 W/A
General Specifications
  • Operating Temperature Range: 10℃ – 30℃
  • Storage Temperature Range: -20℃ – 70℃
  • Max Operating Humidity, Relative: 75 %
  • Max Storage Humidity, Relative: 90 %
  • Lead Soldering Temp: 250ºC max, 10 sec
Primary Applications
  • Raman Spectroscopy
  • Analytical Instruments
  • Biological Research

Product Overview:

785nm, 500mW VBG Wavelength Stabilized DFB Laser for Raman Spectroscopy Applications

These 785nm, 500mW wavelength stabilized lasers provide high ex-fiber output power at a narrow linewidth, stabilized by a Volume Bragg Grating.

The laser is optimized for Raman Spectroscopy, and is also used for metrology, sensing, bio-instrumentation, and analytical instrumentation applications. The laser is packaged in an industry standard 14-pin butterfly package, and includes a high power internal TEC for temperature control and laser output stability.

These lasers are offered through Laser Lab Source in North America. They are manufactured by RealLight Technology, an industry leader specializing in the research, development, and manufacturing of semiconductor lasers for spectral analysis and pumping applications.

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