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1550nm, 15mW (CW) / 50mW (Pulse), Narrow-Linewidth DFB Laser, Fiber-Coupled Coaxial Package

  • 1550nm DFB Laser 15mW Coaxial Package
  • 1550nm 15mW Laser Diode CW Output Power
  • 1550nm 15mW Laser Diode Pulse Output Power
  • 1550nm 15mW Laser Diode Output Spectrum
  • 1550nm 15mW Laser Diode Pinout

$297.90  
sku / item#: RLS/LDS-1550-DFB-2.5G-15/50-COAX-SM1
ships: 2 Weeks

Key Features
  • Wavelength 1550 nm
  • Linewidth < 500 kHz
  • Output Power: 15 mW (CW), 50 mW (Pulse)
  • FC/APC Connector; Single-Mode Fiber G.657.A1
  • 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/LDS-1550-DFB-2.5G-15/50-COAX-SM1
PRICE $297.90
OPTICAL CHARACTERISTICS (Typcial @ T = 25 °C)
  • Wavelength: 1550 nm
  • Pulse optical power: 50 mW
  • CW Optical Power: 15 mW
  • Spectral width: 0.08 nm
  • Side-mode suppression ratio: 55 dB
  • Tracking error: 0.1 dB
  • Wavelength-temperature coeff.: 0.1 nm/°C
Pulse Specifications
  • Pulse mode: pulse duration 10 μs, duty cycle = 0.01
  • Resonance frequency: 6 GHz
  • Rise and fall times: 80 ps
Electrical Specifications
  • Threshold current: 8 mA
  • Operating current: 95 mA
  • Operating voltage: 1.3 V
  • Slope efficiency: 0.16 mW/mA
  • Monitoring output current (PD): 1.5 mA
Optical Fiber Specifications
  • FC/APC Connector
  • Single-Mode Fiber G.657.A1
  • Other Fiber and Connector Types Available; Inquire

Product Overview:

1550nm DFB Laser Diode, Narrow-Linewidth, 50mW Pulse Power

LDS-1550-DFB-2.5G-15/50-COAX-SM1 is an InGaAsP MWQ laser diode with internal photodiode, coupled to an optical fiber and packaged into a hermetic TO-case. The special feature of these narrow linewidth lasers is the increased thermal stability which increases the stability of the optical power. This compact coaxial laser is mounted in a double-sided bracket to facilitate mounting and heat-sinking.
    • Wavelength: 1550 nm
    • Cavity type: DFB
    • Data rate up to 2.5 Gbps
    • Optical power: up to 15 mW in CW mode and up to 50 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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