An all-dielectric broadband 3D Luneburg lens has been designed and manufactured in our study, which is constructed by common-vertex coaxial circular cones. A prototype of the lens is fabricated using 3D printing technology. The far field of the, present lens is highly directive, incident waves are focused with highly concentration, and its operating frequency spans from 5 GHz to 20 GHz. It is also found that two highly directional beams are generated while two independent converged sources feed simultaneously at the edge of the lens. The intersection angle with the center of the lens is 90°, which indicates that the lens is an efficient double input-double output device.
Racial imposter syndrome can be defined as a feeling of disconnection and lack of belonging that one may experience, based on their own experience and the perceptions of others, in regards to their relationship with their racial identities. From the perspective of Multiracial individuals, this feeling is all too familiar for many. We asked interminority and half-White Multiracial individuals about their parents’ approach to racial socialization, their interpersonal experiences associated with race (including their perceived role and valuation in friendships), social experiences of racial (mis)categorization, monoracist microaggressions, their propensity to engage in codeswitching (either behaviorally or linguistically), and (broadly) how their personal, phenotypically influenced, and socially perceived identities influence their social outcomes with coracial and non-coracial peers. We found that Multiracials generally have higher intercultural communication competence, have more diverse social networks, and are substantially more likely to date interracially and interreligiously. In addition, interminority Multiracials were more likely to be socialized in both parents’ cultures than half-White Multiracials. We discuss our findings in the context of interpersonal inclusion, cultural pluralism, and identity development.
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