Evidence map›Paper›PMID 34203054›Full record

ArticleSensors (Basel, Switzerland)2021

Hybrid Fiber-Optic Sensing Integrating Brillouin Optical Time-Domain Analysis and Fiber Bragg Grating for Long-Range Two-Parameter Measurement.

Shien-Kuei Liaw, Chi-Wen Liao, Meng-Hsuan Tsai, Dong-Chang Li, Shu-Ming Yang, Zhu-Yong Xia, Chien-Hung Yeh, Wen-Fung Liu

Abstract read
PubMed Full text at PMC Publisher
In one paragraph

Article in Sensors (Basel, Switzerland), 2021. 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

8 authors.

Shien-Kuei LiawDepartment of Electronics and Computer Engineering, National Taiwan University of Science and Technology, Taipei 10671, Taiwan.
Chi-Wen LiaoEnergy and Environment Research Laboratories, Industrial Technology Research Institute, Hsinchu 31048, Taiwan.ORCID 0000-0001-6751-5015
Meng-Hsuan TsaiDepartment of Electronics and Computer Engineering, National Taiwan University of Science and Technology, Taipei 10671, Taiwan.
Dong-Chang LiDepartment of Electronics and Computer Engineering, National Taiwan University of Science and Technology, Taipei 10671, Taiwan.
Shu-Ming YangDepartment of Electronics and Computer Engineering, National Taiwan University of Science and Technology, Taipei 10671, Taiwan.
Zhu-Yong XiaDepartment of Electronics and Computer Engineering, National Taiwan University of Science and Technology, Taipei 10671, Taiwan.
Chien-Hung YehDepartment of Photonics, Feng Chia University, Taichung 40724, Taiwan.
Wen-Fung LiuDepartment of Photonics, Feng Chia University, Taichung 40724, Taiwan.

Funding

Industrial Technology Research Institute 8942
6 · The paper itself

Abstract

Distributed fiber sensing (DFS) can provide real-time signals and warnings. The entire length of fiber optic cable can act as a sensing element, but the accuracy is sometimes limited. On the other hand, point-to-point fiber sensing (PPFS) is usually implemented using one or more fiber Bragg gratings (FBGs) at specific positions along with the fiber for the monitoring of specific parameters (temperature, strain, pressure, and so on). However, the cost becomes expensive when the number of FBGs increases. A hybrid fiber sensing scheme is thus proposed, combining the advantages of DFS and PPFS. It is based on a Brillouin optical time-domain analysis (BOTDA) fiber system with additional FBGs embedded at certain positions where it is necessary to detect specific parameters. The hybrid fiber sensing system has the advantages of full sensing coverage at essential locations that need to be carefully monitored. In our work, the test results showed that the proposed system could achieve a sensing distance of 16 km with the single-mode fiber with a 2 m spatial resolution. For FBG parameter measurements, the temperature variation was 52 °C, from 25 °C to 77 °C, with a temperature sensitivity of 23 pm/°C, and the strain was from 0 to 400 µε, with a strain sensitivity of 0.975 pm/µε, respectively, using two FBGs.

Indexed as

Brillouin optical time-domain analysisdistributed fiber sensingfiber Bragg gratinghybrid sensingpoint to point

Identifiers

PMID34203054
PMCPMC8233985

What OpenQuestion holds

Textmetadata
LicenceCC BY
Read underepoch 390

Registered trials

None linked

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.