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飞秒激光照射超导环线性阵列产生的定向微波发射

Directional microwave emission from femtosecond-laser illuminated linear arrays of superconducting rings.

作者信息

Bullard Thomas J, Frische Kyle, Ebbing Charlie, Hageman Stephen J, Morrison John, Bulmer John, Chowdhury Enam A, Dexter Michael L, Haugan Timothy J, Patnaik Anil K

机构信息

Air Force Research Laboratory, Wright Patterson AFB, OH, 45433-7251, USA.

UES, Inc., Dayton, OH, 45432, USA.

出版信息

Sci Rep. 2023 Oct 23;13(1):18043. doi: 10.1038/s41598-023-44751-x.

DOI:10.1038/s41598-023-44751-x
PMID:37872200
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC10593795/
Abstract

We examine the electromagnetic emission from two photo-illuminated linear arrays composed of inductively charged superconducting ring elements. The arrays are illuminated by an ultrafast infrared laser that triggers microwave broadband emission detected in the 1-26 GHz range. Based on constructive interference from the arrays a narrowing of the forward radiation lobe is observed with increasing element count and frequency demonstrating directed GHz emission. Results suggest that higher frequencies and a larger number of elements are achievable leading to a unique pulsed array emitter concept that can span frequencies from the microwave to the terahertz (THz) regime.

摘要

我们研究了由感应充电超导环形元件组成的两个光照射线性阵列的电磁辐射。这些阵列由超快红外激光照射，该激光触发了在1-26 GHz范围内检测到的微波宽带辐射。基于阵列的相长干涉，随着元件数量和频率的增加，观察到前向辐射瓣变窄，证明了定向GHz辐射。结果表明，可以实现更高的频率和更多的元件，从而产生一种独特的脉冲阵列发射器概念，其频率范围可以从微波到太赫兹（THz）波段。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1dad/10593795/ab650b966081/41598_2023_44751_Fig9_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1dad/10593795/3b4b266e9292/41598_2023_44751_Fig1_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1dad/10593795/91c7fd826ea9/41598_2023_44751_Fig2_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1dad/10593795/d7ec3b7bb0bc/41598_2023_44751_Fig3_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1dad/10593795/1b4731301b5a/41598_2023_44751_Fig4_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1dad/10593795/df1d2a5b4594/41598_2023_44751_Fig5_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1dad/10593795/93f20fa9741c/41598_2023_44751_Fig6_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1dad/10593795/85b9c55b61eb/41598_2023_44751_Fig7_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1dad/10593795/504601d6bd78/41598_2023_44751_Fig8_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1dad/10593795/ab650b966081/41598_2023_44751_Fig9_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1dad/10593795/3b4b266e9292/41598_2023_44751_Fig1_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1dad/10593795/91c7fd826ea9/41598_2023_44751_Fig2_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1dad/10593795/d7ec3b7bb0bc/41598_2023_44751_Fig3_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1dad/10593795/1b4731301b5a/41598_2023_44751_Fig4_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1dad/10593795/df1d2a5b4594/41598_2023_44751_Fig5_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1dad/10593795/93f20fa9741c/41598_2023_44751_Fig6_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1dad/10593795/85b9c55b61eb/41598_2023_44751_Fig7_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1dad/10593795/504601d6bd78/41598_2023_44751_Fig8_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1dad/10593795/ab650b966081/41598_2023_44751_Fig9_HTML.jpg

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本文引用的文献

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