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Wavelength Stabilization of HPDL Array – Fast-Axis Collimation Optic with integrated VHG

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Wavelength Stabilization of HPDL Array – Fast-Axis Collimation Optic with integrated VHG

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  • Author: C. Schnitzlera , S. Hambueckera, O. Ruebenacha, V. Sinhoffa, G. Steckmanb, L. Westb, C. Wesslingc, D. Hoffmannc
Wavelength narrowing and stabilization of diode lasers is advantageous for many applications where either the natural linewidth of a diode laser is too broad or the movement of the center wavelength during changing operation conditions has to be avoided. Typical applications are pumping of solid-state-lasers, where the center wavelength shifts due to changing cooling conditions or driving current, or the Dense-Wavelength-Multiplexing of diode lasers with closely spaced wavelengths (e.g. several nm or less) using wavelength combiners with steep edges.

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