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1392.5nm DFB Laser, Single Mode / Single Frequency, 18 mW

  • Eblana Photonics 1392.5nm 15mW Laser
  • Eblana 1392.5nm 15mW Laser Diode
  • Laser Diode 15mW 1392.5nm Eblana
  • Eblana Photonics 1392.5nm 15mW Laser

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sku / item#: RLS/EP1392-TP39
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Key Features
  • Specifically Designed for H2O TDLAS Detection
  • DFB Laser / Single Frequency / Single Mode
  • Tunable by Either Temperature or Current
  • TO-39 Package with Integrated TEC and Thermistor

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Optical Specifications
  • Center Wavelength: 1392.5 nm
  • Available Center Wavelengths: 1378 nm - 1400 nm
  • Wavelength Tolerance: +/- 1 nm
  • SMSR (typical): >40 dB
  • Optical Linewidth (typical): < 2 MHz
  • Temperature Tuning Coefficient (typical): 0.1 nm/°C
  • Current Tuning Coefficient (typical): 0.01 nm/mA
  • Slope Efficiency (typical): 0.15 mW/mA
  • Beam divergence (perpendicular): 28 °
  • Beam divergence (parallel): 25 °
Electrical Specifications
  • Operating Current: 80 mA
  • Forward voltage: < 1.3 Volts
  • Threshold Current (typical): 15 mA
  • TEC Current: < 0.7 Amps
Laser Diode Packaging
  • TO-39 Package
  • Integrated TEC & 10K Thermistor

Product Overview:

1392.5nm DFB Laser, Single Mode / Single Frequency, 12mW

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.

Eblana Photonics EP1392-DM-B laser diode is available at wavelengths from 1385 - 1400nm for a wide range of sensing applications.

1392.5nm for H2O Sensing Applications

The 1392.5nm single longitudinal mode laser is designed specifically for detection of water (H2O). Our DM technology platform delivers unrivaled wavelength uniformity and stability which is critical for high-sensitivity gas detection applications.

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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