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Topic · Mechanics of Materials

Thermography and Photoacoustic Techniques

Thermography and Photoacoustic Techniques is a research topic within Mechanics of Materials. Science Explorer counts 23k research works in it since 1950. 10.0% of them reached the world's top 10% most cited for their field and year.

This cluster of papers covers the diverse applications of infrared thermography in non-destructive testing, including defect detection in composite materials, building diagnostics, assessment of aerospace components, and monitoring of historic structures. The papers also discuss techniques such as pulsed thermography and thermal diffusivity measurement.

  • Infrared Thermography
  • Non-Destructive Testing
  • Thermal Imaging
  • Defect Detection
  • Building Diagnostics
  • Composite Materials
  • Pulsed Thermography
  • Thermal Diffusivity
  • Aerospace Components
  • Historic Structures
Research works
23k
fractional, since 1950
In the world top 10%
2.4k
per year above
Top-10% rate
10.0%
share of its works in the world top 10%
Growth, 2018-21 → 2022-25
+9%
the tick is no change
Largest producer
China
42% of the 10 largest, 2022-now
Thermography and Photoacoustic Techniques

Which countries lead Thermography and Photoacoustic Techniques research?

By volume, China and the United States publish the most (1.3k and 492 works in 2022-now).

By volume, 2022-now

  1. 1 China 1.3k works
  2. 2 United States 492 works
  3. 3 India 230 works
  4. 4 Russia 202 works
  5. 5 Germany 167 works
  6. 6 Italy 161 works
  7. 7 France 151 works
  8. 8 Japan 150 works
  9. 9 United Kingdom 114 works
  10. 10 South Korea 109 works

How concentrated that is

The same countries as shares of everything the list above accounts for. A node where two countries do two thirds of the work and one spread evenly across twelve read alike as a ranking and not at all alike here.

China: 42.5%United States: 15.9%India: 7.5%Russia: 6.5%6 others listed: 27.6%42%largest
China1,311 · 42.5%United States492 · 15.9%India230 · 7.5%Russia202 · 6.5%6 others listed852 · 27.6%

Shares of the rows listed above, not of the whole node.

Which institutions lead Thermography and Photoacoustic Techniques research?

By volume in 2022-now, Chinese Academy of Sciences publishes the most Thermography and Photoacoustic Techniques research, followed by Centre National de la Recherche Scientifique and Russian Academy of Sciences.

By volume, 2022-now

  1. 1 Chinese Academy of SciencesChina 65 works
  2. 2 Centre National de la Recherche ScientifiqueFrance 58 works
  3. 3 Russian Academy of SciencesRussia 52 works
  4. 4 Harbin Institute of TechnologyChina 44 works
  5. 5 Xi'an Jiaotong UniversityChina 27 works
  6. 6 University of Electronic Science and Technology of ChinaChina 23 works
  7. 7 Fraunhofer-GesellschaftGermany 23 works
  8. 8 Nanjing University of Science and TechnologyChina 22 works
  9. 9 National Research CouncilItaly 20 works
  10. 10 Huazhong University of Science and TechnologyChina 19 works

Who are the leading researchers in Thermography and Photoacoustic Techniques?

The most-cited researchers publishing on Thermography and Photoacoustic Techniques include Wei Huang, Gordon Brent Mills and Kenji Watanabe.

  1. 1 Wei Huang China 267k citations
  2. 2 Gordon Brent Mills United States 265k citations
  3. 3 Kenji Watanabe Japan 237k citations
  4. 4 Takashi Taniguchi Japan 227k citations
  5. 5 Kai You Wang China 224k citations
  6. 6 John Joseph McGrath Australia 214k citations
  7. 7 Younan Xia United States 207k citations
  8. 8 Mercouri G. Kanatzidis United States 196k citations
  9. 9 Hua Zhang Singapore 196k citations
  10. 10 Hongjie Dai United States 189k citations

Ranked by citations received across their whole record, among researchers with at least three works on this topic.

What are the most cited papers in Thermography and Photoacoustic Techniques?

The most cited paper in Thermography and Photoacoustic Techniques is "An empirical correction for absorption anisotropy" (ROBERT H. BLESSING, 1995), with 7,944 citations. Next come "The Long-Wavelength Edge of Photographic Sensitivity and of the Electronic Absorption of Solids" (6,047) and "Photoacoustic Tomography: In Vivo Imaging from Organelles to Organs" (4,338).

Most cited papers
#PaperReleasedCitations
1 An empirical correction for absorption anisotropy ROBERT H. BLESSING · Acta Crystallographica Section A Foundations of Crystallography 1995 7,944
2 The Long-Wavelength Edge of Photographic Sensitivity and of the Electronic Absorption of Solids Franz Urbach · Physical Review Dec 1953 6,047
3 Photoacoustic Tomography: In Vivo Imaging from Organelles to Organs Lihong V. Wang, Song Hu · Science Open access 23 Mar 2012 4,338
4 Flash Method of Determining Thermal Diffusivity, Heat Capacity, and Thermal Conductivity William J. Parker, R.J. Jenkins, C.P. Butler et al. · Journal of Applied Physics Sep 1961 3,962
5 Photoacoustic imaging in biomedicine Minghua Xu, Lihong V. Wang · Review of Scientific Instruments Open access Apr 2006 2,739
All 100 most cited papers, with filters and sorting

Where is Thermography and Photoacoustic Techniques research done?

The largest centres of Thermography and Photoacoustic Techniques research in 2022-now are Beijing (China), Shanghai (China), Nanjing (China) and Xi'an (China). Among places with at least 20 works in it, it is an unusually large share of all research in Tomsk.

Largest cities, 2022-now

  1. 1 BeijingChina 227 works
  2. 2 ShanghaiChina 102 works
  3. 3 NanjingChina 85 works
  4. 4 Xi'anChina 78 works
  5. 5 MoscowRussia 71 works
  6. 6 HarbinChina 61 works
  7. 7 ChengduChina 56 works
  8. 8 GuangzhouChina 51 works
  9. 9 WuhanChina 51 works
  10. 10 TokyoJapan 48 works

Where it is the local speciality

  1. TomskRU · 20.5 works10×
← less than its size predicts1×more →

Location quotient: how much more of its research is in Thermography and Photoacoustic Techniques than the world average.

See Thermography and Photoacoustic Techniques on the map

Where is the best place to study Thermography and Photoacoustic Techniques?

Among universities, judged by research, Harbin Institute of Technology, Xi'an Jiaotong University and National University of Defense Technology score highest, combining excellence, specialisation, size, growth and international reach. Research strength is one signal when choosing where to study; it does not measure teaching.

0%20%40%mean 25.69%fractional works in this field (log) →share of work in the world top 10% →National University …Zagazig UniversityXi'an Jiaotong Unive…Harbin Institute of …
above the meannear itbelow it

One dot per university in the first ten of the table below, at the default weights. The upper left is the interesting corner: small places doing unusually strong work.

Excellenceshare of its work in the world top 10%, 2022-now and all time averaged
40%
Specialisationhow much of its work is in this field, counted up to 10× the world share
10%
Sizeits output in this field, on a log scale
30%
Growthoutput growth, counted from -20% to +20%
10%
Internationalshare of its work with a co-author abroad
10%
Each slider sets a weight; the share it gets of the score is beside it.
#UniversityScoreTop 10%SpecialisationWorksGrowth
1Harbin Institute of TechnologyChina 68.519.7%7.3×44 +89.3%
2Xi'an Jiaotong UniversityChina 62.220.5%4.2×27 +48.5%
3National University of Defense TechnologyChina 58.133.3%3.6×10 +53.7%
4Zagazig UniversityEgypt 55.824.9%6.1×8 +29.2%
5Northwestern Polytechnical UniversityChina 55.031.9%2.8×12 +112.0%
6Boston UniversityUnited States 54.330.2%4.7×8 +96.1%
7Hunan UniversityChina 52.135.9%3.2×8 -3.4%
8Nanyang Technological UniversitySingapore 50.525.5%3.5×10 -53.2%
9Polytechnic University of BariItaly 49.115.4%33.9×15 +10.8%
10Huazhong University of Science and TechnologyChina 48.919.6%2.8×19 +11.1%

Universities only. The score blends excellence (40%), size (30%), specialisation (10%), growth (10%), international reach (10%), 2022-now; growth compares 2018-21 with 2022-25 and counts up to +20%, since a jump from a small base is mostly noise.

Every institution in Thermography and Photoacoustic Techniques, country by country

Is Thermography and Photoacoustic Techniques research growing?

Output in 2022-2025 was 9% higher than in 2018-2021, peaking in 2023. The fastest-growing topics are Thermography and Photoacoustic Techniques.

still counting19801990200020102020
grewheldshrank

The same series as a ribbon: one cell per year, darker for more. The line above answers how much; this answers when.

Its share of all research

Growing output can still be a shrinking share: all of science grows. This is Thermography and Photoacoustic Techniques as a percentage of every work published that year, 0.016% in 2024.

still counting0.020%0.040%0.060%Thermography and Photoacoustic Techniques0.017% in 202519801990200020102020

Fractional works of Thermography and Photoacoustic Techniques over all fractional works that year. How the balance of science has shifted.

How much of it reaches the world top 10%

Year by year.

still counting5%10%15%Thermography and Photoacoustic Techniques10.1% in 2025200020102020

Of each year's works in it, the share that reached the world's 10% most cited for their field and year. A field is the world for its own topics, so there is no other line to hold it against.

Which topics inside it are moving

Growth and decline on one axis around a shared zero. Two lists side by side hide the thing that matters: whether the growth dwarfs the decline, or the other way round.

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