Evidence map›Paper›PMID 40651954›Full record

ArticleNature communications2025

Cascade upconversion: a strategy enabling four-photon lithography in weak light intensity.

Shishuo Li, Kai Li, Chenqi Yi, Xingyu Gao, Zongsong Gan

Abstract read
PubMed Full text at PMC Publisher
In one paragraph

Article in Nature communications, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

0numbers the graph read from it
0cells of the map it votes in
1citing 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

1 citing paper in PubMed.

  1. Review
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

5 authors.

Shishuo LiWuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Wuhan, China.ORCID http://orcid.org/0000-0001-8171-2170
Kai LiWuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Wuhan, China.
Chenqi YiSchool of Optical and Electronic Information, Huazhong University of Science and Technology, Wuhan, China.
Xingyu GaoSchool of Physics and Electronic Information, Guangxi Minzu University, Nanning, China.
Zongsong GanSchool of Optical and Electronic Information, Huazhong University of Science and Technology, Wuhan, China. ganzongsong@hust.edu.cn.ORCID http://orcid.org/0000-0002-9738-2783

Funding

China Postdoctoral Science Foundation 2024M761004
6 · The paper itself

Abstract

Multiphoton lithography offers the minimum feature size available in submicron scale true 3D printing, but excessive femtosecond laser intensity prevents it from leading to higher photon counts. To circumvent away this effect, we present a cascade upconversion strategy, which is a combination of two efficient two-photon upconversion processes to achieve four-photon photopolymerization. In order to demonstrate the advantages and feasibility of this approach, we combine excited state absorption upconversion using high concentration Ho

Identifiers

PMID40651954
PMCPMC12255675

What OpenQuestion holds

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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.