| http://www.w3.org/ns/prov#value | - Thus a large diameter, short wavelength VCSEL can be used to optically pump a smaller diameter, long wavelength VCSEL. This configuration allows higher power outputs to be achieved in the long wavelength VCSEL. In an alternate embodiment, microlenses 71 are formed of a material other than GaAs, such as a glass or a reflowable polymer.
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