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940nm, 70W Laser Diode, 105μm Core Fiber with SMA Connector

  • 940ld-4-0-0-image

$1895.00  
sku / item#: 940LD-4-0-0 / LASER-DIODE
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Key Features
  • Center Wavelength 940nm (± 5nm)
  • 70W Fiber Laser Pump Source
  • Multimode Fiber, 105 μm Core, NA 0.22, SMA Connector
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MODEL 940LD-4-0-0 / LASER-DIODE
PRICE $1895.00
Optical Specifications
  • Wavelength: 940nm (± 5nm)
  • CW Output Power: 70 Watts
  • Spectral Width (FWHM): 6 nm (typ)
  • Wavelength shift w Temperature: 0.3 nm/°C
  • Wavelength shift w Current: 0.7 nm/A
  • Back Reflection Isolation Stage: 1020 - 1200 nm
  • Back Reflection Isolation: 30 dB
Electrical Specifications
  • Threshold Current: 0.8 A
  • Operating Current: 11.5 A *
  • Operating Voltage: 10.5 V
  • Conversion Efficiency: 50%
  • * For operating currents above 6 Amps, the electrical connections must be soldered.
Fiber and Package Specifications
  • Fiber Core: 105 μm, NA 0.22
  • Clad Diameter: 125 µm
  • Buffer / Tube Diameter: 900 µm
  • Min Bend Radius: 37.5 mm
  • Connector: SMA 905
  • Dimensions: 48 mm x 80 mm x 16 mm
  • Mounting Hole Dimensions: 3.4mm dia / 75 mm x 40 mm
  • Storage Temperature: -30°C to 70°C
  • Operating Temperature: 15°C to 55°C
  • Soldering Temperature: 260ºC (max)
  • Soldering Time: 10 sec (max)

Product Overview:

940nm 70W Laser Diode These 940nm lasers offer 70 watts of optical output in both pulsed and CW modes of operation. They are coupled to 105μm fiber with NA of 0.22. These multimode devices are commonly used as pump / excitation sources for fiber laser applications.

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