SDL-2300 4.0 W CW High-Brightness GaAlAs Laser Diodes

The SDL-2300 Series laser diodes offer high CW optical power and high brightness with unsurpassed reliability. The small emitting aperture, combined with low beam divergence, places the SDL-2300 Series among CW laser diodes of the highest brightness available in the industry today.

The SDL-2300 Series comprises partially coherent, broad-area emitters with relatively uniform emission over the emitting aperture. Operation is multi-longitudinal mode with a spectral envelope width of approximately 2 nm FWHM. The far-field beam divergence in the plane perpendicular to the P/N junction is nearly Gaussian, while the lateral beam profile exhibits the complex pattern typical of broad-area emitters. Emitting apertures for SDL-2300 models range from 50 to 500 microns, providing CW power output of up to 4 watts with excellent reliability. For higher power 100 µm and 200 µm aperture devices or for fiber-coupled lasers, see the SDL-2400 Series of products.

The high efficiency of the quantum well structure, combined with low thermal resistance epi-down chip mounting, provides minimum junction temperature at high optical power. Low junction temperature and low thermal resistance packages extend lifetime and increase reliability.

Convenient package options, such as open heat sink and window packages with internal TEC and MPD, allow easy integration into user systems.

Key Features

• 0.5, 1.2, 2.0, and 4.0 W CW power 
• 50, 100, 200, and 500 µm apertures
• High-efficiency MOCVD quantum well design
• TEC option for wavelength control
• Open heat sink and window packages
• High reliability

Applications

• Solid-state laser pumping
• Medical/ophthalmic
• Free-space communication
• Beacons/illumination

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