SDL-5400 200 mW Single-Mode GaAlAs Laser Diodes

High- resolution applications, including optical data storage, image recording, spectral analysis, printing, point-to-point free- space communication, and frequency doubling, all require diffraction- limited sources. Faster writing, wider dynamic range, and better signal-to-noise ratio may can be achieved with our high- reliability SDL-5400 Series single-mode laser diodes.

Available in power levels of up to 200 mW, this advanced laser diode combines a quantum well structure and a real-refractive index-guided, single- mode waveguide to provide high power, low astigmatism, narrow spectral width, and a single spatial- mode Gaussian far field. SDL-5400 Series laser diodes are among the most reliable, high- power laser diodes available in the industry today.

The SDL-5400 Series laser diodes operate in single longitudinal mode under some conditions. As is the case with all Fabry-Perot index- guided laser diodes, spectral broadening, mode hopping, and longitudinal mode instability may occur due to small changes in drive current, diode junction temperature, or optical feedback.

The unique diode structure features high reliability with long operating life, and very low early failure rate. Very high brightness (20 MW/sq-cm steradian) is provided by the SDL-5430.

Useful packaging options include open heat sink, SOT or TO-3 packages, internal photodiode, thermoelectric cooler, and wavelength selection.

Key Features

• Up to 200 mW CW output power
• Wavelengths available:
  - 810 ±4 nm or ±10 nm,
  - 830 ±10 nm or ±20 nm,
  - 852 ±4 nm or ±10 nm
• Diffraction- limited beam
• TEM₀₀ single transverse mode

Applications 

• Optical pumps for Er/Yberbium or Ytterbium doped solid- state lasers and amplifiers 

• Materials processing

• Medical

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