Abstract
AbstractThis paper investigates the feasibility of conductive Al‐GaN reflectors with corRUGATEd (RUGATE) index profiles in comparison to standard distributed bragg reflectors (DBR) and nested super lattice (NSL) DBRs. The samples are analyzed by reflectometry, x‐ray diffraction, and electrical measurements.The RUGATE implementation of the reflectors exhibited two times higher vertical conductivity in comparison to the DBRs and showed slightly lower reflectivity. The nested super lattice approach for DBRs turned out to be an alternative which is easy to manufacture and which shows high reflectivity values. (© 2008 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)
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