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Diode Laser Emits at 2 μm, Tunable Across 177 nm

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GaSb-based laser produces milliwatts over entire tuning range.

Breck Hitz

Tunable lasers that emit in the 2- to 3-μm spectral region have many applications in molecular spectroscopy, military countermeasures, and medical diagnostics and therapy. With an eye toward medical diagnostics — noninvasive blood glucose monitoring in particular — researchers at Fraunhofer Institute for Applied Solid State Physics and at the University of Freiburg, both in Freiburg, Germany, have demonstrated a GaSb diode laser capable of generating up to 16.5 mW at 2.23 μm, and they have tuned the laser across a 177-nm range centered on that wavelength. They built an external...Read full article

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    Published: November 2006
    beam steeringdefensediode lasersGaSb diode laserResearch & TechnologyspectroscopyTunable LasersLasers

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