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1550nm DFB Laser Diode, Ultra-Narrow Line Width Emission Profile, 40mW Output Power

  • 1550nm DFB Laser
  • Butterfly Package Dimensions
  • DFB laser, 1550nm, Schematic Drawing

$2295.00  
sku / item#: RLS/1550NM-Model 6-SMF
ships: 4 Weeks

Key Features
  • 1550 nm DFB Laser Diode with 40 mW Output Power
  • Spectral Bandwidth: < 50 kHz (typ)
  • Single Mode SMF28 Optical Fiber, FC/APC Connector
  • Polarization-Maintaining Fiber Option
  • Offered by Aerodiode, 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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Purchase this laser with Single-Mode or
Polarization Maintaining Fiber


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MODEL RLS/1550NM-Model 6-SMF
PRICE $2295.00
Optical Specifications (typical)
  • Center Wavelength: 1550 nm ±5 nm
  • Output Power (CW): 40 mW
  • Emission Bandwidth: < 50 kHz (typ)
  • SMSR: 35 dB min (50 dB typ)
  • Wavelength Shift w/Temperature: 0.08 nm/°C
  • Wavelength Shift w/Current: 0.003 nm/mA
  • Pulsed Output Power: 80 mW
Electrical Specifications (typical)
  • Threshold Current: 8 mA (typ)
  • Operating Current: 300 mA (typ)
  • Operating Voltage: 1.6 V (typ)
  • TEC Current: 1 A (max)
  • TEC Voltage: 1.5 V (max)
  • Thermistor: 10 kOhm
  • Internal Photodiode Responsivity: 5 mA / W
  • Internal Photodiode Dark Current: 500 nA
FIBER PIGTAIL and Termination
  • Single Mode SMF28, Fiber Core: 9 μm
  • Polarization Maintaining Fiber Available Optionally
  • FC/APC Connector

Product Overview:

1550nm DFB Laser Diode Overview

These single frequency 1550nm DFB laser diodes offer up to 40mW of laser output power with a very narrow line width emission profile of < 50 kHz. These lasers are also wavelength tunable.

DFB lasers are used in applications such as sensing, telecommunications, spectroscopy and atomic physics. They employ Bragg diffraction gratings in the active gain region of the semiconductor to form a waveguide. These 1550nm devices are an industry standard butterfly package with a "Type 1" pin configuration. The butterfly package is electrically floating, allowing for mounting flexibility and bias current source selection flexibility. The butterfly package includes an internal 10K thermistor, a TE cooler and a monitor photodiode.

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