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Epitaxial AlGaAs/AlAs distributed Bragg reflectors for green (550 nm) lightwaves

Epitaxial AlGaAs/AlAs DBR mirror stacks have been investigated to determine the maximum reflectivity achievable for 550 nm wavelength. A maximum reflectivity of greater than 90% has been achieved despite the optical loss in the AlGaAs, and a 70% peak reflectivity can be achieved with as few as five mirror periods.

Aluminum compounds, Distributed Bragg reflector lasers, Gallium compounds, Mirrors, Epitaxial growth, Optical losses, Optical reflection, Semiconductor growth, Semiconductor lasers

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