Evidence map›Paper›PMID 42796172›Full record

ArticleMicromachines2026

Enhancing the Source-Side Transient Response of Logarithmic Double-Spiral Terahertz Photoconductive Antennas Using a Central-Feed-Boundary Tip Array.

Chao Xu, Shuaiqi Wang, Yu Zhang, He Dong, Jian Gao, Guofeng Wang

Abstract read
PubMed Full text at PMC Publisher
In one paragraph

Article in Micromachines, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

0numbers the graph read from it
0cells of the map it votes in
0citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

0 citing papers in PubMed.

No citing paper in PubMed yet.

4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

6 authors.

Chao XuCollege of Information Technology, Jilin Engineering Research Center of Optoelectronic Materials and Devices, Jilin Normal University, Siping 136000, China.
Shuaiqi WangCollege of Information Technology, Jilin Engineering Research Center of Optoelectronic Materials and Devices, Jilin Normal University, Siping 136000, China.
Yu ZhangCollege of Information Technology, Jilin Engineering Research Center of Optoelectronic Materials and Devices, Jilin Normal University, Siping 136000, China.
He DongCollege of Information Technology, Jilin Engineering Research Center of Optoelectronic Materials and Devices, Jilin Normal University, Siping 136000, China.ORCID 0000-0002-6339-732X
Jian GaoChangchun Observatory, National Astronomical Observatories, Chinese Academy of Sciences, Changchun 130117, China.
Guofeng WangCollege of Information Technology, Jilin Engineering Research Center of Optoelectronic Materials and Devices, Jilin Normal University, Siping 136000, China.

Funding

National Natural Science Foundation of China 12273079
6 · The paper itself

Abstract

The smooth central feed boundary of a logarithmic double-spiral terahertz photoconductive antenna can limit the spatial overlap between the high-field region and photogenerated carriers, thereby restricting the source-side transient response. We introduced a micrometer-scale tip array along the central feed boundary and investigated the influence of tip apex angle, height, and spacing through a transient semiconductor model in COMSOL Multiphysics. The photocurrent derivative, which is proportional to the emitted terahertz electric field under the transient-current approximation, was adopted as the source-side response metric. The tip array enhanced the response by redistributing the local bias field and bringing the carrier-collection boundary closer to the illuminated region. Within the investigated ranges, tip height produced the strongest response variation, whereas the influence of the apex angle remained limited over 10-50°, and further reducing

Indexed as

logarithmic double-spiralphotoconductive antennasource-side responsetip array

Identifiers

PMID42796172
PMCPMC13609888

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.