Akiko Hirai

661 total citations
67 papers, 489 citations indexed

About

Akiko Hirai is a scholar working on Mechanical Engineering, Electrical and Electronic Engineering and Computational Mechanics. According to data from OpenAlex, Akiko Hirai has authored 67 papers receiving a total of 489 indexed citations (citations by other indexed papers that have themselves been cited), including 35 papers in Mechanical Engineering, 31 papers in Electrical and Electronic Engineering and 26 papers in Computational Mechanics. Recurrent topics in Akiko Hirai's work include Advanced Measurement and Metrology Techniques (34 papers), Surface Roughness and Optical Measurements (25 papers) and Optical measurement and interference techniques (17 papers). Akiko Hirai is often cited by papers focused on Advanced Measurement and Metrology Techniques (34 papers), Surface Roughness and Optical Measurements (25 papers) and Optical measurement and interference techniques (17 papers). Akiko Hirai collaborates with scholars based in Japan, United States and China. Akiko Hirai's co-authors include Hirokazu Matsumoto, Ichiko Misumi, Satoshi Gonda, Kaoru Minoshima, Yoshiki Ichioka, Kazuyoshi Itoh, Hirokazu Matsumoto, Y. Hori, Atsushi Onae and Feng-Lei Hong and has published in prestigious journals such as Journal of Applied Physics, Optics Letters and Optics Express.

In The Last Decade

Akiko Hirai

61 papers receiving 447 citations

Author Peers

Peers are selected by citation overlap in the author's most active subfields. citations · hero ref

Author Last Decade Papers Cites
Akiko Hirai 211 207 182 171 120 67 489
Ki-Nam Joo 243 1.2× 265 1.3× 161 0.9× 313 1.8× 111 0.9× 61 604
Youichi Bitou 295 1.4× 220 1.1× 114 0.6× 228 1.3× 74 0.6× 61 535
Masato Aketagawa 193 0.9× 181 0.9× 143 0.8× 307 1.8× 87 0.7× 71 504
Josef Lazar 245 1.2× 197 1.0× 100 0.5× 313 1.8× 96 0.8× 113 555
Hongxing Yang 131 0.6× 248 1.2× 75 0.4× 202 1.2× 36 0.3× 40 416
Karl Meiners-Hagen 306 1.5× 288 1.4× 81 0.4× 320 1.9× 61 0.5× 21 516
Vivek G. Badami 131 0.6× 125 0.6× 98 0.5× 171 1.0× 57 0.5× 19 397
Yukihiro Ishii 337 1.6× 246 1.2× 160 0.9× 283 1.7× 166 1.4× 58 769
Koichi Maru 166 0.8× 431 2.1× 91 0.5× 75 0.4× 15 0.1× 87 571
Dong Wei 259 1.2× 244 1.2× 54 0.3× 227 1.3× 21 0.2× 75 398

Countries citing papers authored by Akiko Hirai

Since Specialization
Citations

This map shows the geographic impact of Akiko Hirai's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Akiko Hirai with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Akiko Hirai more than expected).

Fields of papers citing papers by Akiko Hirai

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Akiko Hirai. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Akiko Hirai. The network helps show where Akiko Hirai may publish in the future.

Co-authorship network of co-authors of Akiko Hirai

This figure shows the co-authorship network connecting the top 25 collaborators of Akiko Hirai. A scholar is included among the top collaborators of Akiko Hirai based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Akiko Hirai. Akiko Hirai is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

20 of 20 papers shown
1.
Hirai, Akiko, et al.. (2024). Novel analysis of alignment error on spherical Fizeau interferometer and uncertainty evaluation of sphericity calibration system based on random ball test. Optics and Lasers in Engineering. 184. 108646–108646. 1 indexed citations
3.
Misumi, Ichiko, et al.. (2023). Developmental framework of line edge roughness reference standards for next-generation functional micro-/nanostructures. Precision Engineering. 83. 152–158. 2 indexed citations
4.
Misumi, Ichiko, et al.. (2023). Photoresist shrinkage observation by a metrological tilting-AFM. 3–3. 1 indexed citations
5.
Misumi, Ichiko, et al.. (2023). Effect of white noise on roughness measurements of self-affine fractals. Measurement Science and Technology. 34(10). 105003–105003. 1 indexed citations
6.
Misumi, Ichiko, et al.. (2023). Evaluation of the change in photoresist sidewall roughness due to electron beam-induced shrinkage using atomic force microscopy. Journal of Micro/Nanopatterning Materials and Metrology. 22(4).
7.
Hirai, Akiko, et al.. (2021). Precise measurement of the thickness of silicon wafers by double-sided interferometer and bilateral comparison. Metrologia. 58(5). 54002–54002. 5 indexed citations
8.
Misumi, Ichiko, et al.. (2020). A standard used for probe-tip diameter evaluation in surface roughness measurements using metrological atomic force microscope. Measurement Science and Technology. 31(9). 94005–94005. 3 indexed citations
9.
Misumi, Ichiko, et al.. (2020). A reference-scan-based method for correcting the nonlinear drift of atomic force microscopy at sub-nanometer precision. Measurement Science and Technology. 31(5). 54009–54009. 5 indexed citations
11.
Misumi, Ichiko, et al.. (2019). Traceable Atomic Force Microscope for Surface Roughness Calibration of Sub-Nanometer Order. Journal of the Japan Society for Precision Engineering. 85(11). 1013–1019. 2 indexed citations
12.
Misumi, Ichiko, et al.. (2017). Re-Evaluation of Calibration and Measurement Capabilities of Pitch Calibration Systems Designed by Using the Diffraction Method. International Journal of Automation Technology. 11(5). 691–698. 2 indexed citations
13.
Hashimoto, T., et al.. (2013). Fully interferometric three-dimensional imaging spectrometry using hyperbolic-type volume interferogram. Applied Optics. 52(7). 1497–1497. 7 indexed citations
14.
Hori, Y., Akiko Hirai, & Kaoru Minoshima. (2011). Prism-pair interferometry by homodyne interferometers with a common light source for high-accuracy measurement of the absolute refractive index of glasses. Applied Optics. 50(8). 1190–1190. 8 indexed citations
15.
Hori, Y., Akiko Hirai, Kaoru Minoshima, & Hirokazu Matsumoto. (2009). High-accuracy interferometer with a prism pair for measurement of the absolute refractive index of glass. Applied Optics. 48(11). 2045–2045. 11 indexed citations
16.
Hirai, Akiko & Hirokazu Matsumoto. (2006). Measurement of group refractive index wavelength dependence using a low-coherence tandem interferometer. Applied Optics. 45(22). 5614–5614. 15 indexed citations
17.
Hirai, Akiko & Hirokazu Matsumoto. (2003). Low-coherence tandem interferometer for measurement of group refractive index without knowledge of the thickness of the test sample. Optics Letters. 28(21). 2112–2112. 38 indexed citations
18.
Hong, Feng-Lei, Kaoru Minoshima, Atsushi Onae, et al.. (2003). Broad-spectrum frequency comb generation and carrier-envelope offset frequency measurement by second-harmonic generation of a mode-locked fiber laser. Optics Letters. 28(17). 1516–1516. 73 indexed citations
19.
Bitou, Youichi, et al.. (2002). Gauge block interferometer using three frequency-stabilized lasers.. Journal of the Japan Society for Precision Engineering. 68(4). 542–547.
20.
Hirai, Akiko, et al.. (1999). White-light interferometry using pseudo random-modulation for high-sensitivity and high-selectivity measurements. Optics Communications. 162(1-3). 11–15. 8 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

Explore authors with similar magnitude of impact

Rankless by CCL
2026