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1278nm DFB Single Mode / Single Frequency Laser Diode, 10mW

  • DFB laser 1278nm
  • 1278nm Laser Diode typical optical spectrum at 25 degrees Celcius
  • 1278nm Laser Diode, 10mW output power
  • 1278nm laser diode 10mw Standard Pinout
  • DFB laser 1278nm control system

Request Quote   ships: . | item#: RLS/EP1278

Key Features
  • Specifically Designed for HF TDLAS Detection
  • DFB Laser / Single Frequency / Single Mode / Proprietary Monolithic Design without External Cavity
  • Tunable by Either Temperature or Current
  • Single Mode Fiber, FC/APC Connector (PMF available on request)
  • Available Mounted and Calibrated in a DX-1 Low Noise Current & Temperature Controller (request details)

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MODEL RLS/EP1278
PRICE Request Price
Optical Specifications
  • Center Wavelength: 1278nm
  • Available Center Wavelengths: 1260nm - 1288nm
  • Wavelength Tolerance: +/- 1nm
  • CW Output Power (typical): 8mW (out of fiber)
  • SMSR (typical): >40 dB
  • Optical Linewidth (typical): < 2 MHz
  • Temperature Tuning Coefficient (typical): 0.1 nm/°C
  • Current Tuning Coefficient (typical): 15 pm/mA
  • Slope Efficiency (typical): 0.15 mW/mA
Electrical Specifications
  • Operating Current: 80 mA
  • Operating Voltage: < 1.6 Volts
  • Threshold Current (typical): 15 mA
  • TEC Current: < 1.2 Amps
Laser Diode Package / Fiber Pigtail / Connector
  • Butterfly Package
  • Integrated TEC & 10K Thermistor
  • Integrated Optical Isolator
  • Single Mode Fiber, FC/APC Connector (PMF available on request)

Product Overview:

1278nm DFB Single Mode / Single Frequency Laser Diode, 10mW

Eblana's DFB laser is built using discrete-mode (DM) technology, delivering a cost-effective laser diode with mode-hop free tuneability, excellent SMSR, and narrow linewidth.

The model EP1278 laser diode from Eblana Photonics is available at a range of wavelengths from 1260 - 1288 nm for a wide range of sensing applications.

1278nm for Hydrogen Flouride Sensing Applications

The 1278nm single longitudinal mode laser is designed specifically for detection of Hydrogen Flouride. Our DM technology platform delivers unrivaled wavelength uniformity and stability which is critical for high-sensitivity gas detection applications.

Available Preconfigured Driver Maximizes Cost Effectiveness

Eblana's proprietary DX-1 incorporates the butterfly laser module with an integrated current driver and TEC controller. Designed for ease of operation, it is the ideal platform for high stability gas detection or remote sensing. The driver module is compact, at 72.5 mm x 50 mm x 28 mm, to fit within your sensing system hardware and simplifies your design work considerably.

Features of the DX-1 Laser Diode Driver
    - Integrated driver and TEC controller
    - PM/SMF coupled with FC/APC
    - Built-in optical isolator
    - Powered by +5 V DC source


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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