Publications

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Amarasinghe, Y., Shiri, Y., Tan, T., Zhonghua, G., Singh, R., Davidsen, R. S., Klarskov, P., Mittleman, D. & Pitchappa, P. (2025). Broad-Angle Beam-Steering Using a Silicon-Based Flattened Luneburg Lens for THz Band. In 2025 Conference on Lasers and Electro-Optics, CLEO 2025: Conference on Lasers & Electro-Optics Article SS153_5 Optica Publishing Group. https://doi.org/10.1364/CLEO_SI.2025.SS153_5

Amarasinghe, Y., Shiri, Y., Guerboukha, H., Shrestha, R., Klarskov, P. & Mittleman, D. M. (2025). Broad angle broadband resolver for THz band. Scientific Reports, 15(1), Article 21005. https://doi.org/10.1038/s41598-025-05321-5

Hasan, J., Amarasinghe, Y., Frydendahl, C., Jeppesen, B. R., Klarskov, P. & Han, Z. (2025). 3-dimensional THz metasurface for sensing applications.

Merhi, Y., Goumarre, V., Romanyuk, K., Amarasinghe, Y., Kholkin, A., Klarskov, P. & Agarwala, S. (2025). Advancing green electronics: tunable piezoelectric enhancement in biodegradable poly(l-lactic acid) PLLA films through thermal-strain engineering. Nanoscale Horizons, 10(7), 1414-1427. https://doi.org/10.1039/d5nh00142k

Raj, R. K., Kumar, A., Rezaeiyan, Y., Klarskov, P., Moradi, F. & Shreya, S. (2025). Analytical Approach to Engineer Strain-Gradient for Magnetic Skyrmion-based LeakyIntegrate and Fire Neuronal Dynamics. In IEEE Computer Society Annual Symposium on VLSI, ISVLSI 2025 - Conference Proceedings IEEE Computer Society Press. https://doi.org/10.1109/ISVLSI65124.2025.11130237

Reese, F. S., Amariei, G., Henriksen, M. L., Klarskov, P. & Hinge, M. (2025). Quantitative identification of melamine flame retardant in polyolefins with hyperspectral imaging and machine learning. Spectrochimica Acta - Part A: Molecular and Biomolecular Spectroscopy, 333, Article 125870. https://doi.org/10.1016/j.saa.2025.125870

Amariei, G., Henriksen, M. L., Klarskov, P. & Hinge, M. (2024). Quantification of aluminium trihydrate flame retardant in polyolefins via in-line hyperspectral imaging and machine learning for safe sorting. Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, 311, Article 123984. https://doi.org/10.1016/j.saa.2024.123984

Merhi, Y., Agarwala, S., Goumarre, V. O. Y., Lozano Montero, K., Mantysalo, M., Klarskov, P. & Amarasinghe, Y. (2024). THz Spectroscopy Analysis of Crystallinity Optimization for Enhanced Piezoelectricity in Biodegradable Poly-L-Lactide Acid. In FLEPS 2024 - IEEE International Conference on Flexible and Printable Sensors and Systems, Proceedings: Conference Proceedings (pp. 1-4). IEEE. https://doi.org/10.1109/FLEPS61194.2024.10604083

Amariei, G., Schaarup-Kjær, A. S., Klarskov, P., Henriksen, M. L. & Hinge, M. (2023). Estimation of pigment concentration in LDPE via in-line hyperspectral imaging and machine learning. Journal of Spectral Imaging, 12(a2). https://doi.org/10.1255/jsi.2023.a2

Amariei, G., Henriksen, M. L., Friis, J. B., Pedersen, P. K. & Hinge, M. (2023). In-line identification of Pb-based pigments in fishing nets and ropes based on hyperspectral imaging and machine learning. Marine Pollution Bulletin, 191, Article 114910. https://doi.org/10.1016/j.marpolbul.2023.114910

Amariei, G., Lahn Henriksen, M., Klarskov, P. & Hinge, M. (2023). In-line quantitative estimation of ammonium polyphosphate flame retardant in polyolefins via industrial hyperspectral imaging system and machine learning. Waste Management, 170, 1-7. https://doi.org/10.1016/j.wasman.2023.07.026

Cielecki, P. P., Hardenberg, M., Amariei, G., Henriksen, M. L., Hinge, M. & Klarskov, P. (2023). Identification of black plastics with terahertz time-domain spectroscopy and machine learning. Scientific Reports, 13(1), Article 22399. https://doi.org/10.1038/s41598-023-49765-z

Leitenstorfer, A., Moskalenko, A. S., Kampfrath, T., Kono, J., Castro-Camus, E., Peng, K., Qureshi, N., Turchinovich, D., Tanaka, K., Markelz, A. G., Havenith, M., Hough, C., Joyce, H. J., Padilla, W. J., Zhou, B., Kim, K. Y., Zhang, X. C., Jepsen, P. U., Dhillon, S. ... Cunningham, J. (2023). The 2023 terahertz science and technology roadmap. Journal of Physics D: Applied Physics, 56(22), Article 223001. https://doi.org/10.1088/1361-6463/acbe4c

Henriksen, M. L., Pedersen, W. N., Klarskov, P. & Hinge, M. (2022). One step calibration of industrial hyperspectral cameras. Chemometrics and Intelligent Laboratory Systems, 227, Article 104609. https://doi.org/10.1016/j.chemolab.2022.104609

Henriksen, M. L., Karlsen, C. B., Klarskov, P. & Hinge, M. (2022). Plastic classification via in-line hyperspectral camera analysis and unsupervised machine learning. Vibrational Spectroscopy, 118, Article 103329. https://doi.org/10.1016/j.vibspec.2021.103329

Munshi, T. & Klarskov, P. (2021). Enhanced terahertz emission from semiconductor surfaces with gold nanorods. In L. P. Sadwick & T. Yang (Eds.), Terahertz, RF, Millimeter, and Submillimeter-Wave Technology and Applications XIV SPIE - International Society for Optical Engineering. https://doi.org/10.1117/12.2591167

Munshi, M. T. & Klarskov, P. (2021). Laser Terahertz Emission Microscopy of Gold Nanorods forming a Coffee-stain Ring on a Semiconductor Surface. In 2021 46th International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2021 IEEE. https://doi.org/10.1109/IRMMW-THz50926.2021.9566850

Pizzuto, A., Mittleman, D. M. & Klarskov, P. (2020). Laser THz emission nanoscopy and THz nanoscopy. Optics Express, 28(13), 18778-18789. Article #382130. https://doi.org/10.1364/OE.382130

Pizzuto, A., Mittleman, D. M. & Klarskov, P. (2020). Nanoscale Laser Terahertz Emission Microscopy and THz Nanoscopy. In 2020 Conference on Lasers and Electro-Optics, CLEO 2020 - Proceedings Article 9193617 IEEE.

Tarekegne, A. T., Kaltenecker, K. J., Klarskov, P., Iwaszczuk, K., Lu, W., Ou, H., Norrman, K. & Jepsen, P. U. (2020). Subcycle Nonlinear Response of Doped 4 H Silicon Carbide Revealed by Two-Dimensional Terahertz Spectroscopy. ACS Photonics, 7(1), 221-231. https://doi.org/10.1021/acsphotonics.9b01462

Victoria, M., Klarskov, P., Agarwala, S., Hjorth, M., Zhang, Q. & Kara, S. (2020). How do we get more women in academia? In J. Bruun (Ed.), Profile 2020 (pp. 16-19). Aarhus Universitet, Institut for Ingeniørvidenskab . http://www.e-pages.dk/aarhusuniversitet/2231/html5/

Keiser, G. R. & Klarskov, P. (2019). Terahertz field confinement in nonlinear metamaterials and near-field imaging. Photonics, 6(1), Article 22. https://doi.org/10.3390/photonics6010022

Klarskov, P., Pizzuto, A. & Mittleman, D. M. (2018). Imaging on the Nanoscale with THz Time-Domain, Emission and Pump-Probe Microscopy. In 2018 43rd International Conference on Infrared Millimeter and Terahertz Waves, IRMMW-THz 2018 Article 8509949 https://doi.org/10.1109/irmmw-thz.2018.8509949

Klarskov, P., Pizzuto, A. & Mittleman, D. M. (2018). Imaging on the Nanoscale with THz Time-Domain, Emission and Pump-Probe Microscopy: 2018 43rd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz). 1-2. https://doi.org/10.1109/IRMMW-THz.2018.8509949

Pedersen, P. K., Pizzuto, A. & Mittleman, D. M. (2018). Imaging on the Nanoscale with Terahertz Time-Domain and Emission Microscopy. In International Symposium on Ultrafast Phenomena and Terahertz Waves, ISUPTW 2018 Article ThB3 https://doi.org/10.1364/isuptw.2018.thb3

Pizzuto, A., Klarskov, P. & Mittleman, D. M. (2018). Bias Dependence of Laser Terahertz Emission Nanoscopy. In CLEO: Applications and Technology, CLEO_AT 2018 Article JM1A.3 https://doi.org/10.1364/cleo_at.2018.jm1a.3

Pizzuto, A., Klarskov, P. & Mittleman, D. M. (2018). Laser Terahertz Emission Nanoscopy. In 2018 Conference on Lasers and Electro-Optics Pacific Rim, CLEO-PR 2018 Article Tu3C.2 https://doi.org/10.1364/cleopr.2018.tu3c.2

Klarskov, P., Kim, H., Colvin, V. L. & Mittleman, D. M. (2017). Imaging single nanoparticles using laser terahertz emission nanoscopy. In 2017 42nd International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2017 Article 8067202 https://doi.org/10.1109/irmmw-thz.2017.8067202

Klarskov, P., Kim, H., Colvin, V. L. & Mittleman, D. M. (2017). Nanoscale Laser Terahertz Emission Microscopy. ACS Photonics, 4(11), 2676-2680. https://doi.org/10.1021/acsphotonics.7b00870

Klarskov, P., Kim, H., Colvin, V. & Mittleman, D. M. (2017). Nanoscale Terahertz Emission Spectroscopy. In Advanced Photonics, Sensors 2017 https://doi.org/10.1364/sensors.2017.seth1e.4

Klarskov, P., Tarekegne, A. T., Iwaszczuk, K., Zhang, X.-C. & Jepsen, P. U. (2016). Amplification of resonant field enhancement by plasmonic lattice coupling in metallic slit arrays. Scientific Reports, 6, Article 37738. https://doi.org/10.1038/srep37738

Klarskov, P. & Mittleman, D. M. (2016). Laser terahertz emission microscopy with near-field probes. In 41st International Conference on Infrared, Millimeter and Terahertz Waves, IRMMW-THz 2016 Article 7758721 https://doi.org/10.1109/irmmw-thz.2016.7758721

Revised 15.02.2026

Pernille Klarskov Hansen