| 2025 |
| The series on the international conference on “Emerging Trends in Optical Technologies” was held from January 02 – 04, 2025, at SRM University-AP, India, in association with Physical Research Laboratory, Ahmedabad, University of Tartu Estonia, and National Physical Laboratory, Delhi. This conference was sponsored by Nature Springer Applied Physics B, ATOS, Advanced Photonics, SERB India, Aimil Ltd and endorsed by Optica. |
| Dr. Vipin Tiwari presented an invited talk on the topic “Interferenceless coded aperture correlation holography: Current and future perspectives”. |
| Shivasubramanian Gopinath presented an invited talk on the topic “Engineering Axial Resolution in Spatially Incoherent Imaging Systems”. |
| Francis Gracy Arockiaraj presented a contributory talk on the topic “Fresnel Incoherent Correlation Holography with Enhanced Temporal and Axial Resolutions”. |
| Agnes pristy presented a contributory talk on the topic “Non-Linear Lucy-Richardson Algorithm for Interferenceless Coded Aperture Correlation Holography”. |
| Eulàlia Puig Vilardell presented a contributory talk on the topic “Decoupling Axial and Spectral Aberrations in Interferenceless Coded Aperture Correlation Holography”. |
| Narmada Joshi presented a contributory talk on the topic “Interferenceless Coded Aperture Correlation Holography for SpatioSpectral-Polarization Imaging”. |
| 2024 |
| 18.10.2024 |
| "Science in 3 minutes" contest, at the Estonian Academy of Sciences. |
| Francis Gracy Arockiaraj presented on the topic "Seeing through fog, mist, and skin tissues" and have been awarded as one of the top presenters at the final gala of the "Science in 3 minutes" contest, at the Estonian Academy of Sciences. |
| Presentation video: Please click https://drive.google.com/file/d/1in6lwr6ByBvRW8Htz51Dx2zqdCrpsUfe/view?usp=drive_link |
| Award video: Please click https://drive.google.com/file/d/1OgaHiS6xWY1QHBz9ecmt8af5vNgF_Tw7/view?usp=sharing |
| 02.10.2024 |
| Three-minute thesis competition for the University of Tartu doctoral students was held on 02 October 2024. |
| Narmada Joshi - “Six dimensional imaging” |
| Prof. Vijayakumar Anand, ERA Chair Holder and Associate Professor of Computational Imaging at the Institute of Physics, University of Tartu, Estonia, presented a keynote talk on the "Historical Development of Coded Aperture Correlation Holography" at the Optica Digital Holography and Three-Dimensional Imaging Topical in the session titled Unconventional Holographic Imaging Systems held at the Mec Paestrum Hotel in Paestum, Italy on 05th June 2024. |
| 2023 |
| DST-SERB Sponsored IEEE International Conference on Next Generation Electronics (NEleX-2023) organised by the School of Electronics Engineering, Vellore Institute of Technology (VIT), Vellore, India, held from December 14 th-16th, 2023. NEleX is Organized by the School of Electronics Engineering (SENSE), Vellore Institute of Technology, Vellore, India, in association with National Yang Ming Chiao Tung University, Taiwan, Universidade Federal do Rio de Janeiro, Brazil, Central Queensland University, Australia, Universidade Federal do Rio Grande do Norte, Brazil. |
| Prof. Vijayakumar Anand presented a keynote talk on “Exploring the ‘Grey’ – Bridging Incoherent Digital Holography and Coded Aperture Imaging Technologies” |
| Francis Gracy Arockiaraj presented on the topic "Realizing Fresnel Incoherent Correlation Holography as a Coded Aperture Imaging System Using Advanced Computational Algorithms.“ |
| Shivasubramanian Gopinath presented on the topic “Modulating Axial Resolutions of Scenes Recorded Incoherently Using Cubic Phase Masks by Chaos-Engineering.“ |
| Agnes pristy presented on the topic "Faithful Transfer of 3D Propagation Characteristics of Deterministic and Random Optical Fields to Coded Aperture Imaging Systems Using Lucy-Richardson-Rosen Algorithm." |
| Narmada Joshi presented on the on the topic "Coded Aperture-Based Self-wavefront Interference Using Transverse Splitting Holography" |
| International Conference on Optical and Photonics Engineering - icOPEN 2023: session “Advances in digital holography techniques” which was held from 27th November to 01st December 2023 in Holiday Inn Singapore Atrium, Singapore. |
| Shivasubramanian Gopinath presented on the topic "Engineering Axial Resolution Realtime and Post-Recording of Incoherent Holograms Using Hybridization Techniques". |
| Three-minute thesis competition for the University of Tartu doctoral students was held on 28 September 2023. |
Shivasubramanian Gopinath - “Incoherent Hybrid Imaging System (INCHIS) – A new pathway to tune image resolutions of any recorded pictures and videos” |
| Agnes Pristy Ignatius Xavier - “Holographic Non-Invasive Cancer Diagnosis with Heat Waves” |
| Francis Gracy Arockiaraj - “Computational Imaging Through Optical Chaos (CITOC)” |
| Oral presentations at the SPIE Optics + Optoelectronics conference: “Holography: Advances and Modern Trends VIII,” which was held from 24 April – 27 April 2023 in Prague, Czech Republic. |
| Shivasubramanian Gopinath presented on the topic “Enhanced design of pure phase greyscale diffractive optical elements by phase-retrieval-assisted multiplexing of complex functions” |
| Francis Gracy Arockiaraj presented on the topic “Fresnel incoherent correlation holography with Lucy-Richardson-Rosen algorithm and modified Gerchberg-Saxton algorithm” |
| Andrei Ioan Bleahu presented on the topic “Holographic solution to a fundamental problem in diffractive optics: resolution beyond diffraction and lithography limits” |
| Agnes Pristy presented on the topic “Realizing large-area diffractive lens using multiple sub aperture diffractive lenses and computational reconstruction” |
| Shivasubramanian Gopinath, P.A. Praveen, Francis Gracy Arokiaraj, Daniel Smith, Tauno Kahro, Sandhra-Mirella Valdma, Andrei Bleahu, Soon Hock Ng, Andra Naresh Kumar Reddy, Tomas Katkus, Aravind Simon John Francis Rajeswary, Rashid A. Ganeev, Siim Pikker, Kaupo Kukli, Aile Tamm, Saulius Juodkazis, Vijayakumar Anand.,2023. "Deep deconvolution of object information transformed by a lens.". SPIE OPTO, Conference Proceedings Volume 12438, AI and Optical Data Sciences IV; 1243818 (2023) |
| Daniel Smith, Molong Han,
Soon Hock Ng, Tomas Katkus, Aravind Simon John Francis Rajeswary, Mark J.
Tobin, Jitraporn Vongsvivut, Saulius Juodkazis, Vijayakumar Anand.,2023. "Computational
three-dimensional Imaging with near infrared synchrotron beam using Fresnel
zone apertures fabricated on barium fluoride windows using femtosecond laser
ablation." SPIE OPTO Conference Proceedings Volume 12445, Practical Holography
XXXVII: Displays, Materials, and Applications; 124450Y (2023). |
| Molong Han, Daniel Smith, Soon Hock Ng,
Tomas A. Katkus, Aravind Simon John Francis Rajeswary, Periyasamy Angamuthu
Praveen, Mark J. Tobin, Jitraporn Vongsvivut, Saulius Juodkazis, Vijayakumar
Anand.,2023. "Three-dimensional phase imaging with near infrared synchrotron
beam using phase-retrieval algorithm." SPIE OPTO, Conference Proceedings Volume
12445, Practical Holography XXXVII: Displays, Materials, and Applications;
1244511 (2023). |
| Andrei Bleahu, Shivasubramanian Gopinath,
Ravi Kumar, Francis Gracy Arokiaraj, Daniel Smith, Tauno Kahro, P. A. Praveen,
Soon Hock Ng, Agnes Pristy, Tomas Katkus, Aravind Simon John Francis Rajeswary,
Kaupo Kukli, Aile Tamm, Saulius Juodkazis, Joseph Rosen, Vijayakumar Anand.,2023. "4D imaging using accelerating airy beams and nonlinear reconstruction". SPIE
OPTO, Conference Proceedings Volume 12445, Practical Holography XXXVII:
Displays, Materials, and Applications; 124450Z (2023). |
| 2022 |
| 3 minutes thesis competition held at the University of Tartu on Friday, 11 November 2022 |
| Andrei Ioan Bleahu presented on the topic "Sculpting Chaos with a Basis of Deterministic Optical Fields". |
| Shivasubramanian Gopinath presented on the topic "Six-dimensional optical microscope using self-interfering chaotic waves". |
| Vinoth Balasubramani, Vijayakumar Anand, Andra Naresh Kumar Reddy, Aravind Simon John Francis Rajeswary, Pierre J. Magistretti, Christian Depeursinge, and Saulius Juodkazis. Fresnel Incoherent Correlation Holography using Lucy-Richardson-Rosen Algorithm. Poster presentation by Vinoth Balasubramani at the Digital Holography and Three-Dimensional Imaging 2022 held at Cambridge University, Cambridge, United Kingdom from 01- 04 August 2022. For the first time, we demonstrated FINCH with Lucy-Richardson-Rosen Algorithm. |
| Francis Gracy Arockiaraj, Shakina Jothi Selva, Stephen Rajkumar Inbanathan, Manueldoss Beaula Ruby Kamalam, Aravind Simon John Francis Rajeswary, Vijayakumar Anand, and Joseph Rosen. Computational Imaging Using Deterministic Optical Fields and Non-linear Reconstruction. Presented by Francis Gracy Arockiaraj at the 2022 Imaging and Applied Optics Congress and the 2022 Optical Sensors and Sensing Congress meeting held in Vancouver, British Columbia, Canada from 11-15 July 2022. |
|
Daniel Smith, Shivasubramanian Gopinath, Soon Hock Ng, Tomas Katkus, Dhanalakshmi Renganathan, Srinivasan Navaneethakrishnan, Saulius Juodkazis, and Vijayakumar Anand.
Single Shot
Multispectral Multidimensional Computational Imaging Using Quasi-Random Lenses.
Daniel Smith presented at the 2022 Imaging and Applied Optics Congress and the 2022 Optical Sensors
and Sensing Congress meeting held in Vancouver, British Columbia, Canada from 11-15 July 2022.
|
| Vijayakumar Anand, Molong Han, Jovan Maksimovic, Soon Hock Ng, Tomas Katkus, Annaleise Klein, Keith R. Bambery, Mark J. Tobin, Jitraporn Vongsvivut, and Saulius Juodkazis. Mid-infrared Incoherent Three-Dimensional Imaging Using Lucy-Richardson-Rosen Algorithm. Vijayakumar Anand presented at the 2022 Imaging and Applied Optics Congress and the 2022 Optical Sensors and Sensing Congress meeting held in Vancouver, British Columbia, Canada from 11-15 July 2022. |
| Anand, V.; Ng, S. H.; Katkus, T.; Juodkazis, S. White Light Correlation Holography Using a Random Lens for Astronomical Imaging Applications. IEEE Conference paper published on 2022 Photonics & Electromagnetics Research Symposium (PIERS), Hangzhou, China, 25-27 April 2022. |
| Andra Naresh Kumar Reddy, Vijayakumar Anand, Vladimir V. Podlipnov, Svetlana Nikolaevna Khonina, and Saulius Juodkazis. Simultaneous Detection of Modal Composition and Wavelength of OAM Fields Using a Hexagonal Vortex Filter. IEEE Conference paper published on 2022 Photonics & Electromagnetics Research Symposium (PIERS), Hangzhou, China, 25-27 April 2022. |
