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Topic · Spectroscopy

Spectroscopy and Laser Applications

Spectroscopy and Laser Applications is a research topic within Spectroscopy. Science Explorer counts 63k research works in it since 1950. 15.1% of them reached the world's top 10% most cited for their field and year.

This cluster of papers focuses on molecular spectroscopic databases such as HITRAN, HITEMP, and GEISA, as well as the applications of various types of lasers in gas sensing, breath analysis, and high-temperature molecular spectroscopy. It covers topics such as terahertz quantum-cascade lasers, infrared laser absorption, photoacoustic spectroscopy, diode laser absorption, and cavity ring-down spectroscopy.

  • Spectroscopic Databases
  • Terahertz Quantum-Cascade Lasers
  • Infrared Laser Absorption
  • Gas Sensing
  • Photoacoustic Spectroscopy
  • High-Temperature Molecular Spectroscopy
  • Diode Laser Absorption
  • Quantum Cascade Laser Frequency Combs
  • Breath Analysis
  • Cavity Ring-Down Spectroscopy
Research works
63k
fractional, since 1950
In the world top 10%
9.6k
per year above
Top-10% rate
15.1%
share of its works in the world top 10%
Growth, 2013–17 → 2018–22
-1%
the tick is no change

Which countries lead Spectroscopy and Laser Applications research?

By volume, China and the United States publish the most (1.6k and 898 works in 2022–2025).

By volume, 2022–2025

  1. 1 China 1.6k works
  2. 2 United States 898 works
  3. 3 Germany 362 works
  4. 4 Russia 357 works
  5. 5 France 351 works
  6. 6 Japan 234 works
  7. 7 United Kingdom 196 works
  8. 8 India 173 works
  9. 9 Italy 139 works
  10. 10 Switzerland 88 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: 36.3%United States: 20.4%Germany: 8.2%Russia: 8.1%6 others listed: 26.9%36%largest
China1,598 · 36.3%United States898 · 20.4%Germany362 · 8.2%Russia357 · 8.1%6 others listed1,181 · 26.9%

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

Which institutions lead Spectroscopy and Laser Applications research?

By volume in 2022–2025, Chinese Academy of Sciences publishes the most Spectroscopy and Laser Applications research, followed by Centre National de la Recherche Scientifique and University of Chinese Academy of Sciences.

Who are the leading researchers in Spectroscopy and Laser Applications?

The most-cited researchers publishing on Spectroscopy and Laser Applications include M. Shapiro, Donald G. Truhlar and C. L. Bennett.

  1. 1 M. Shapiro United States 8.6k citations
  2. 2 Donald G. Truhlar United States 8.4k citations
  3. 3 C. L. Bennett United States 7.4k citations
  4. 4 M. Lefebvre United States 6.8k citations

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

Where is Spectroscopy and Laser Applications research done?

The largest centres of Spectroscopy and Laser Applications research in 2022–2025 are Beijing (China), Moscow (Russia), Hefei (China) and Paris (France). Among places with at least 20 works in it, it is an unusually large share of all research in Tomsk, Gaithersburg and Pasadena.

Largest cities, 2022–2025

  1. 1 Beijing China 399 works
  2. 2 Moscow Russia 136 works
  3. 3 Hefei China 114 works
  4. 4 Paris France 114 works
  5. 5 Shanghai China 105 works
  6. 6 Tokyo Japan 81 works
  7. 7 Tomsk Russia 70 works
  8. 8 Wuhan China 66 works
  9. 9 Nanjing China 58 works
  10. 10 Xi'an China 55 works

Where it is the local speciality

  1. TomskRU · 70.4 works26×
  2. GaithersburgUS · 22.7 works21×
  3. PasadenaUS · 32.7 works14×
← less than its size predictsmore →

Location quotient: how much more of its research is in Spectroscopy and Laser Applications than the world average.

See Spectroscopy and Laser Applications on the map

Where is the best place to study Spectroscopy and Laser Applications?

Among universities, judged by research, Dalian University, King Abdullah University of Science and Technology and ETH Zurich 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%25%50%75%mean 24.73%fractional works in this node (log) →share in the world top 10% →Dalian University: 13, 64.1%King Abdullah University of Science and Technology: 18, 20.0%ETH Zurich: 45, 8.9%Shanxi University: 15, 30.5%Polytechnic University of Bari: 13, 30.7%National Research Tomsk State University: 18, 2.6%Harbin Institute of Technology: 40, 40.9%Anhui University: 17, 20.4%University of Colorado Boulder: 19, 15.8%University of Science and Technology of China: 43, 13.4%Dalian UniversityShanxi UniversityKing Abdullah Univer…ETH Zurich
above the meannear itbelow it

One dot per university in the table below. The upper left is the interesting corner: small places doing unusually strong work.

#UniversityScoreTop 10%SpecialisationWorksGrowth
1 Dalian UniversityChina 64.664.1%10.4×13 +20.6%
2 King Abdullah University of Science and TechnologySaudi Arabia 56.420.0%12.2×18 +65.4%
3 ETH ZurichSwitzerland 55.08.9%12.8×45 +17.0%
4 Shanxi UniversityChina 53.530.5%11.2×15 +74.2%
5 Polytechnic University of BariItaly 52.730.7%20.1×13 +49.4%
6 National Research Tomsk State UniversityRussia 50.12.6%17.8×18 +189.8%
7 Harbin Institute of TechnologyChina 48.940.9%4.7×40 +27.1%
8 Anhui UniversityChina 48.420.4%7.0×17 +359.9%
9 University of Colorado BoulderUnited States 47.615.8%9.7×19 +47.2%
10 University of Science and Technology of ChinaChina 46.813.4%6.9×43 +86.1%

Universities only. Score blends excellence (30%), specialisation (25%), size (20%), growth (15%) and international reach (10%), 2015–2022; growth compares 2010–14 with 2015–19.

Is Spectroscopy and Laser Applications research growing?

Output in 2018–2022 was 1% lower than in 2013–2017, peaking in 2019. The fastest-growing topics are Spectroscopy and Laser Applications.

19801990200020102020
grewheldshrank

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

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.