KUMAR VARUN（クマール ヴァルン） KUMAR Varun
学部等／職名
総合理工学部 機械・電気電子工学科
講師
Department of Mechanical,Electrical and Electronic Engineering
学科・講座等
機械・電気電子工学科
電話番号
0852-32-9724
専門分野
ナノテク・材料 / 光工学、光量子科学 / Optical Metrology, Digital Holography, Interferometry, Biomedical Optics
専門分野キーワード
Digital Holography, Digital Holographic Microscopy, Interferometry, Biomedical Optics, Shearing Interferometry etc.
研究テーマ
1. Temperature distribution and heat transfer studies from heated industrial objects/ phase objects by digital holography
2. Defect detection in complex electric circuits using digital holography.
3. Development of novel scientific and industrial applications of digital holography
研究分野:光工学、光量子科学,その他
(国内共同研究) 2022年 ～
Mass diffusion coefficient measurement using digital holography
研究分野:計測工学,流体工学
(機関内共同研究) 2024年 ～ 2027年
LCD projection-based fringe projection system for 3D shape measurement.
研究分野:計測工学
() 2024年 ～
Study of the shrinkage and curing behavior of UV-adhesive using digital holography
研究分野:光工学、光量子科学
(機関内共同研究) 2024年 ～
ホームページＵＲＬ
https://scholar.google.com/citations?user=IRhyqocAAAAJ&hl=en
職歴
1. Associate Professor (講師) in Shimane University Japan since June 2023
2. Assistant Professor/Faculty at NIT Hamirpur, H.P. India from Sept 2020 -June 2023
3. Postdoctoral Research Fellow at NTU Singapore from Nov. 2017 - March 2020
4. Research Associate at IIT Delhi from Aug. 2015 to Jul. 2017.
5. Project Associate at IIT Delhi from Jan. 2015 to Aug. 2015.
取得学位
Ph.D. (論文) Indian Institute of Technology Delhi, India 応用光学・量子光工学
学部・大学院教育
[専門教育]
- ディジタル電子回路 （外国語）
- ディジタル電子回路 （外国語）
- 電気電子工学概論
- 電気電子工学概論
- 電磁気計測
- 電磁気計測
[大学院教育]
- コヒーレント光学とホログラフィ （外国語）
- コヒーレント光学とホログラフィ
- セミナーⅢ- 4
- セミナーⅣ- 4
- 工科系英語演習
- 特別計画研究
- 特別研究Ⅲ- 4
- 特別研究Ⅳ- 4
論文等指導
卒業論文等の指導 6 名
修士論文等の主指導 1 名
修士論文等の主指導学位授与 1 名
博士論文等の主指導学位授与 0 名
書籍等出版物（著書）
| 1. | Book Chapter: Applications of Digital Holographic Interferometry in Heat Transfer Measurements from Heated Industrial Objects (IntechOpen, United Kingdom 2023年 2月) ISBN:9781803565 キーワード:Digital Holography, Industrial Application, Temperature, Heat Transfer |
| 2. | Applications of digital holographic interferometry for the measurements of heat transfer parameters from heated industrial objects ( 2022年 10月) ISBN:9781803565644 |
| 3. | Digital holography for the measurement of natural convective heat transfer coefficient along the surface of electrically heated wire ( 2016年 10月) ISBN:9789042304390 |
論文（論文等）
| 1. | 「Three-Dimensional Shape Measurement of Machined Si3N4 Substrate Surface Using Dual-Wavelength FMCW Digital Holography」 Itsunori Okamotoa, Hikaru Hamada, Varun Kumar, Masayuki Yokota vol.:14 No.:1 70-76頁 2026年 3月 |
| 2. | 「ロックインサーモグラフィとディジタルホログラフィ干渉法による フレキシブル太陽電池中の欠陥解析」 Masayuki Yokotaa, Taisei Fukushimaa, Kumar Varun vol.:14 No.:1 9-14頁 学術雑誌 2026年 3月 |
| 3. | 「FMCW-digital holography for utilizing the spatiotemporal frequency domain as a multiplexable bandwidth: simultaneous two-wavelength profile measurement for multiple objects」 Hikaru Hamada, Varun Kumar, Masayuki Yokota Optical Measurement Systems for Industrial Inspection XIV vol.:Proc. SPIE 13567 1356721-1-1356721-9頁 2025年 8月 |
| 4. | 「Study the shrinkage process of UV-curable adhesive using digital holographic interferometry」 Varun Kumar, Ryoichi Ozono, Taisei Kishikawa, Katsuya Kito, Katsuhiro Iwasaki, Masayuki Yokota Optics and Laser Technology vol.:186 112746-112746頁 学術雑誌 2025年 8月 ISSN:00303992 |
| 5. | 「Digital Holography and Its Applications in Engineering and Biosciences」 Varun Kumar, Masayuki Yokota, Chandra Shakher 2025 International Conference on Microwave, Optical, and Communication Engineering (ICMOCE) 1-5頁 2025年 5月 |
| 6. | 「Spatiotemporal heterodyne multiplexing in digital holography for realizing broad recordable bandwidth」 Hikaru Hamada, Varun Kumar, Masayuki Yokota Optics Letters vol.:50 No.:9 全:4頁 2808-2808頁 学術雑誌 2025年 4月 ISSN:01469592 |
| 7. | 「Detection of defects in the solar battery film using both digital holography and lock-in thermography」 Varun Kumar, Masayuki Yokota, Taisei Kishikawa, Yusuke Wakabayashi OPTICS & PHOTONICS International Congress 2024 vol.:OPIC 2024 No.:IP7-03 全:2頁 1-2頁 2024年 4月 ISSN:00000000 キーワード:Digital holography, defects, Lock-in -thermography, phase, temperature |
| 8. | 「Qualitative and quantitative investigations of temperature distribution, heat flow, and heat transfer parameters from the heated objects using lensless Fourier transform digital holography: A review」 Varun Kumar, Chandra Shakher Optics and Laser Technology vol.:168 109918-109918頁 学術雑誌 2024年 1月 ISSN:00303992 |
| 9. | 「Volume phase holographic grating based digital holographic interferometer for temperature measurement of human hand skin」 Vivek Rastogi, Varun Kumar, Satish Kumar Dubey, Gufran Sayeed Khan, Chandra Shakher Proceedings of SPIE, Event: Optics and Photonics International Congress, 2022, Yokohama, Japan vol.:12480 全:6頁 1248006頁 2022年 12月 ISSN:1996756X キーワード:Temperature, Non Contact measurement, volume phase holographic grating |
| 10. | 「Volume phase holographic grating based digital holographic interferometer for temperature measurement of human hand skin」 Vivek Rastogi, Varun Kumar, Satish Kumar Dubey, Gufran Sayeed Khan, Chandra Shakher Optical Technology and Measurement for Industrial Applications Conference 2022 2022年 12月 |
| 11. | 「Noncontact temperature measurement of human hand skin using volume phase holographic optical element based digital holographic interferometer」 Vivek Rastogi, Varun Kumar, Satish Kumar Dubey, Gufran Sayeed Khan, Chandra Shakher Optics and Lasers in Engineering vol.:151 106886-106886頁 学術雑誌 2022年 4月 ISSN:01438166 |
| 12. | 「Noncontact temperature measurement of human hand skin using volume phase holographic optical element based digital holographic interferometer」 Vivek Rastogi, Varun Kumar, Satish Kumar Dubey, Gufran Sayeed Khan, Chandra Shakher Optics and Lasers In Engineering vol.:151 全:10頁 106886_1-10頁 学術雑誌 2022年 4月 ISSN:01438166 キーワード:Temperature, Phase measurement, Digital Holography |
| 13. | 「Volume phase holographic grating based digital holographic interferometer for measurement of temperature distribution and temperature fluctuations in diffusion flames」 Vivek Rastogi, Varun Kumar, Satish K. Dubey, Gufran S. Khan, Chandra Shakher 2021年 6月 |
| 14. | 「Holo-shear lens based interferometer for investigating temperature profile of macro, and micro diffusion flames, and study of magnetic field induced promotion of combustion in micro flame」 Varun Kumar, Chandra Shakher Asian Journal of Physics vol.:30 No.:1 45-62頁 学術雑誌 2021年 3月 |
| 15. | 「Investigation of temperature profile and temperature stability of micro diffusion flame under the influence of magnetic field by use of a holo-shear lens-based interferometer」 Varun Kumar, Vivek Rastogi, Shilpi Agarwal, Chandra Shakher vol.:59 No.:06 1-1頁 学術雑誌 2020年 6月 ISSN:00913286 |
| 16. | 「Holo-shear lens based interferometer for measurement of temperature distribution and fluctuation of temperature in micro flame」 Varun Kumar, Vivek Rastogi, Shilpi Agarwal, Chandra Shakher Holography, Diffractive Optics, and Applications IX (Proc. SPIE) vol.:11188 2019年 11月 |
| 17. | 「Holographic optical element based digital holographic interferometer for the study of macro flames, micro flames and their temperature instability」 Vivek Rastogi, Shilpi Agarwal, Varun Kumar, Chandra Shakher Optics and Lasers in Engineering vol.:122 29-36頁 学術雑誌 2019年 11月 ISSN:01438166 |
| 18. | 「Visual and quantitative investigation on heat flow performance from heat sinks using digital holographic interferometer」 Varun Kumar, Chandra Shakher Holography, Diffractive Optics, and Applications IX, Invited Paper (Proc. SPIE) vol.:11188 2019年 11月 |
| 19. | 「Measurement of temperature and temperature fluctuations in wick stabilized micro flame using digital holographic interferometry」 Shilpi Agarwal, Vivek Rastogi, Varun Kumar, Satish K. Dubey, Chandra Shakher Holography: Advances and Modern Trends VI (Proc. SPIE, Prague, Czech Republic) vol.:11030 2019年 4月 |
| 20. | 「Characterization of Micro-lenslet Array Using Digital Holographic Interferometric Microscope」 Varun Kumar, Chandra Shakher Optics, Photonics and Laser Technology vol.:218 25-45頁 論文集(書籍)内論文 2018年 10月 ISSN:03424111 |
| 21. | 「Temperature measurement of wick stabilized micro diffusion flame under the influence of magnetic field using digital holographic interferometry」 Shilpi Agarwal, Varun Kumar, Chandra Shakher Optics and Lasers in Engineering vol.:102 161-169頁 学術雑誌 2018年 3月 ISSN:01438166 |
| 22. | 「Analysis of red blood cell parameters by Talbot-projected fringes」 Shilpi Agarwal, Varun Kumar, Chandra Shakher Journal of Biomedical Optics vol.:22 No.:10 1-1頁 学術雑誌 2017年 10月 ISSN:10833668 |
| 23. | 「Onion cell imaging by using Talbot/self-imaging effect」 shilpi Agarwal, varun kumar, Chandra Shakher Third International Conference on Applications of Optics and Photonics (Proc. SPIE, Faro, Portugal) 2017年 8月 |
| 24. | 「Phase contrast imaging of red blood cells using digital holographic interferometric microscope」 Varun Kumar, Gufran S. Khan, Chandra Shakher Third International Conference on Applications of Optics and Photonics (Proc. SPIE, Faro, Portugal) vol.:10453 2017年 8月 |
| 25. | 「Influence of magnetic field on temperature of wick stablized micro diffusion flame using digital holographic interferometry」 Chandra Shakher, Varun Kumar, Shilpi Agarwal vol.:ico24/subject/Tu2A-03 研究会，シンポジウム資料等 2017年 7月 |
| 26. | 「Measurement of temperature and temperature profile of wick stabilized micro diffusion flame under the effect of magnetic field using digital speckle pattern interferometry」 Pranav Kumar Pandey, Manoj Kumar, Varun Kumar, Chandra Shakher Optical Engineering vol.:56 No.:1 014106-014106頁 学術雑誌 2017年 1月 ISSN:00913286 |
| 27. | 「Analysis of alcohol-water diffusion process using digital holographic interferometry」 Shilpi Agarwal, Manoj Kumar, Varun Kumar, Chandra Shakher vol.:9660 2015年 8月 ISSN:0277786X |
| 28. | 「Measurement of temperature and temperature profile of candle flame using holo-shear lens and Fourier fringe analysis technique」 Varun Kumar, Chandra Shakher Optical Engineering vol.:54 No.:8 084105-084105頁 学術雑誌 2015年 8月 ISSN:00913286 |
| 29. | 「Temperature measurement of axi- symmetric butane diffusion flame under the influence of upward decreasing gradient magnetic field using digital holographic interferometry」 Varun Kumar, Manoj Kumar, Chandra Shakher SPIE Proceedings vol.:9660 No.:96600I-1 2015年 8月 ISSN:0277786X |
| 30. | 「Experimental investigation on butane diffusion flames under the influence of magnetic field by using digital speckle pattern interferometry」 Manoj Kumar, Shilpi Agarwal, Varun Kumar, Gufran S. Khan, Chandra Shakher Applied Optics vol.:54 No.:9 2450-2460頁 学術雑誌 2015年 3月 ISSN:1559128X |
| 31. | 「Study of heat dissipation process from heat sink using lensless Fourier transform digital holographic interferometry」 Varun Kumar, Chandra Shakher Applied Optics vol.:54 No.:6 1257-1266頁 学術雑誌 2015年 2月 ISSN:1559128X |
| 32. | 「Measurement of natural convective heat transfer coefficient along the surface of a heated wire using digital holographic interferometry」 Varun Kumar, Manoj Kumar, Chandra Shakher Applied Optics vol.:53 No.:27 G74-G83頁 学術雑誌 2014年 7月 ISSN:1559128X |
| 33. | 「Measurement of temperature and temperature distribution in diffusion flames using digital speckle pattern interferometry」 Manoj Kumar, Varun Kumar, Chandra Shakher Eleventh International Conference on Correlation Optics (Proc. SPIE) vol.:9066 90660Y頁 2013年 12月 ISSN:0277786X |
| 34. | 「Contouring of diffused objects using lensless Fourier transform digital moiré holography」 Md. Mosarraf Hossain, Gyanendra Sheoran, Varun Kumar, Chandra Shakher Applied Optics vol.:51 No.:21 5331-5339頁 学術雑誌 2012年 7月 ISSN:1559128X |
講演・口頭発表等（学会発表）
| 1. | 「Single-Shot Depth-Resolved Fluorescence Microscopy」 Varun Kumar International Japan–India Global Education and Research Center (JIGER) Kick-off Symposium held at Kunibiki Messe, Matsue, Shimane, JAPAN organized by Shimane University 2026年 2月 |
| 2. | 「Digital Holography and Its Applications in Engineering and Biosciences」 Varun Kumar International Conference on Microwave Optical and Communication Engineering (ICMOCE 2025) at IIT Bhubaneswar, Odisha, India 2025年 5月 |
学術雑誌の査読
| 1. | Journal of Optical Society of America (JOSA) B publisher:Optical Society of America (OSA)- OPTICA |
| 2. | Optics Express publisher:Optical Society of America (OSA)- OPTICA |
| 3. | Optical Engineering publisher:Society of Photo-Optical Instrumentation Engineers (SPIE) |
| 4. | Optics Letter publisher:Optical Society of America (OSA) |
島根県を中心とした山陰地域に貢献する研究活動の改善の取組み
| 1. | In addition, I deliver a special lecture to third-year bachelor students of our department (with more than 30 students in attendance) on ‘Indian Culture and the Education System in India’. This was aimed at promoting international understanding and cross-cultural exchange among local students. |
| 2. | October 1, 2024: I hosted students from Higashi High School (Matsue, San'in region) in our lab, explaining my research and showcasing ongoing experiments, contributing to local educational development in Shimane. |
| 3. | To promote interest in higher education and research, I participated in university outreach activities. August 8, 2024: During the University Open House, I presented my research and conducted live experiments for visiting high school students from across Japan, using PowerPoint and hands-on demonstrations to enhance understanding of university-level research. |
島根県を中心とした山陰地域に貢献する社会貢献活動の改善の取組み
| 1. | To promote interest in higher education and research among high school students, I actively participated in outreach activities organized by the university. I presentation my research and demonstrated experiments during Open House (8th August 2024) and during the visit of students from Higashi High School in Matsue (October 1, 2024) |