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High extinction ratio, low insertion loss, optical switch based on an electrowetting prism

https://doi.org/10.1364/OE.381565

Zohrabi, Mo ; Yang Lim, Wei ; Bright, Victor M. ; Gopinath, Juliet T. ( February 2020 , Optics Express)

An optical switch based on an electrowetting prism coupled to a multimode fiber has demonstrated a large extinction ratio with speeds up to 300 Hz. Electrowetting prisms provide a transmissive, low power, and compact alternative to conventional free-space optical switches, with no moving parts. The electrowetting prism performs beam steering of ±3^°with an extinction ratio of 47 dB between the ON and OFF states and has been experimentally demonstrated at scanning frequencies of 100–300 Hz. The optical design is modeled in Zemax to account for secondary rays created at each surface interface (without scattering). Simulations predict 50 dB of extinction, in good agreement with experiment.

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Same data, different conclusions: Radical dispersion in empirical results when independent analysts operationalize and test the same hypothesis

https://doi.org/10.1016/j.obhdp.2021.02.003

Schweinsberg, Martin ; Feldman, Michael ; Staub, Nicola ; van den Akker, Olmo R. ; van Aert, Robbie C.M. ; van Assen, Marcel A.L.M. ; Liu, Yang ; Althoff, Tim ; Heer, Jeffrey ; Kale, Alex ; et al ( July 2021 , Organizational Behavior and Human Decision Processes)
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