Výsledky vyhledávání - "Remona Heenkenda"

Design principles of tunable optical filters using phase change materials

Autor: Remona Heenkenda, Andrew M. Sarangan

Publikováno v: International Workshop on Thin Films for Electronics, Electro-Optics, Energy and Sensors 2022.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::bfe3768d4b5c5578f0f546f7a17ac4ee
https://doi.org/10.1117/12.2647782

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Tunable optical filter using phase change materials for smart IR night vision applications

Autor: Andrew Sarangan, Remona Heenkenda, Keigo Hirakawa

Publikováno v: Optics express. 29(21)

In this paper we present a tunable filter using Ge2Sb2Se4Te1 (GSST) phase change material. The design principle of the filter is based on a metal-insulator-metal (MIM) cavity operating in the reflection mode. This is intended for night vision applica

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::64bc602aefef7c68669804df92f61fd3
https://pubmed.ncbi.nlm.nih.gov/34809184

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Switchable PCM Optical Filter for Automotive Color-IR Imaging

Autor: Keigo Hirakawa, Remona Heenkenda, Andrew Sarangan

Publikováno v: 2021 IEEE Photonics Conference (IPC).

We demonstrate a tunable optical filter using Ge 2 Sb 2 Se 4 Te 1 (GSST) phase change material to enable new capabilities in driver assistive technologies. The design principle of the optical filter is based on the metal-insulator-metal (MIM) coupled

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::cb6094ce26265c4311b8a14371075dbc
https://doi.org/10.1109/ipc48725.2021.9593035

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Independent measurement of phase and amplitude modulation in phase change material-based devices

Autor: Gary A. Sevison, Trent Malone, Remona Heenkenda, Joshua A. Burrow, Andrew Sarangan, Joshua R. Hendrickson, Imad Agha

Publikováno v: Optical Materials Express. 12:2899

For active beam manipulation devices, such as those based on liquid crystals, phase-change materials, or electro-optic materials, measuring accumulated phase of the light passing through a layer of the material is imperative to understand the functio

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b6f30e68dece578947aaba1d11c67df2
https://doi.org/10.1364/ome.463337

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Switchable distributed Bragg reflector using GST phase change material

Autor: Roseanna Lawandi, Remona Heenkenda, Andrew Sarangan

Publikováno v: Optics Letters. 47:1937

We demonstrate the design, fabrication, and measurement of a switchable distributed Bragg reflector (DBR) that can be thermally switched from a close-to-zero reflective OFF state to a more than 70% reflection in its ON state. This is accomplished usi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::88dbd38d428e18c9f6d77052d16cd930
https://doi.org/10.1364/ol.455220

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Silicon photodetectors integrated with GSST phase change material for switchable color filter pixels

Autor: Remona Heenkenda, Andrew Sarangan, Roseanna G. Lawandi

Publikováno v: Frontiers in Optics + Laser Science APS/DLS.

We report the use of an optical phase change material, Ge2Sb2Se4Te1, in a color filter integrated on a photodetector for low-loss and fast-switching applications. Filter design and simulations along with the photodetector fabrication are presented.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::cd09a8aa20b8de7bb412acf78f21481f
https://doi.org/10.1364/fio.2019.jw3a.124

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