The 850 nm DAF Series of high-performance edge-emitting gain chip are based on Photodigm’s advanced monolithic Gallium Arsenide (GaAs) based laser technology. It provides a single spatial mode beam, a unique anti-reflective coating pair (<3% AR both sides) and has passivated facets for reliability. The 850 nm Series DAF gain chip devices have an angled waveguide at the output facet to minimize internal reflections and are frequently used in applications to recover isolator and fiber insertion losses.
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