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1450nm, 20mW CW / 60mW Pulsed, Narrow Linewidth DFB Fiber-Coupled Coaxial Laser Diode

  • 1450mm DFB Laser 20mW Coaxial
  • 1450nm 20mW DFB Laser Diode CW Output
  • 1450nm 20mW DFB Laser Diode Pulse Output
  • 1450nm 20mW DFB Laser Diode Output Spectrum
  • 1450nm 20mW DFB Laser Diode Pinout
  • 1450mm DFB Laser 20mW Top View

$320.70  
sku / item#: RLS/LDI-1450-DFB-2.5G-20/60-COAX-SM1
ships: 2 Wks

Key Features
  • Wavelength 1450 nm
  • Optical Power up to 20 mW (CW), 60 mW (Pulse)
  • Linewidth < 500 kHz
  • Single-Mode Fiber G.657.A1; FC/APC Connector
  • Offered by LasersCom, a Laser Lab Source Marketplace Seller
  • Sold & Supported in North America by: LaserDiodeControl.com, part of the
    Laser Lab Source Marketplace Group

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MODEL RLS/LDI-1450-DFB-2.5G-20/60-COAX-SM1
PRICE $320.70
ELECTRICAL-OPTICAL CHARACTERISTICS (Typcial @ T = 25 °C)
  • Wavelength: 1450 nm
  • Pulse Optical Power: 60 mW
  • CW Optical Power: 20 mW
  • Side-Mode Suppression Ratio: 55 dB
  • Spectral Width: 0.09 nm
  • Slope Efficiency: 0.23 mW/mA
  • Tracking Error: 0.4 dB
  • Wavelength-Temperature Coeff.: 0.1 nm/°C
  • Capacitance (PD): 10 pF
Pulse Specifications
  • Rise and Fall Times: 80 ps
  • Data Rate up to 2.5Gbps
ELECTRICAL Characteristics
  • Threshold current: 8 mA
  • Max Forward Current, CW: 140 mA
  • Max Forward Current, Pulse: 500 mA
  • Operating voltage: 1.4 V
  • Monitoring output current (PD): 1.5 mA
Optical Fiber Specifications
  • Single-Mode Fiber G.657.A1
  • Connector FC/APC
  • Other Fiber Types and Connectors Available

Product Overview:

1450nm, 20mW, 2.5Gbps DFB Fiber-Coupled Laser Diode

LDI-1450-DFB-2.5G-20/60-COAX-SM1 is an InGaAsP MQW laser diode with internal photodiode, coupled to an optical fiber and packaged into a hermetic TO-case. This compact coaxial laser is mounted in a double-sided bracket to facilitate mounting and heat-sinking.
    • Wavelength: 1450 nm
    • Cavity type: DFB
    • Linewidth < 500 kHz
    • Data rate up to 2.5 Gbps
    • Optical power up to 20 mW in CW mode and up to 60 mW in pulse mode in the single-mode fiber G.657.A1
    • Package types: coaxial
    • Built-in monitor photodiode

Important Notes on Operating Laser Diodes:

Electrical Operation: Operating a laser diode above the maximum ratings shown on the data sheet even for very short periods of time can damage the laser diode or reduce its lifetime. They should be electrically biased with a "laser diode driver" class current supply with low electrical noise and protection against voltage and current surges. Laser diodes are very sensitive to electrostatic discharge (ESD). Proper ESD precautions must be taken.

Mounting and Temperature Control: In order to maintain the lifetime of a laser diode, proper heat management is essential. Due to the design of the laser diode, heat is typically dissipated only through the base plate of the diode‘s package. A proper heat conducting interconnection between the diodes base plate and the heat sink must be maintained. Some devices require the use of a thermo-electric temperature controller (TEC controller) to remove the heat from the laser and stabilize the temperature.

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