
Overview
Background
Dr. Karl Bertling has made significant contributions to pioneering imaging and sensing via laser feedback interferometry, spanning diverse laser technologies including sensors based on visible lasers, infrared surface-emitting lasers, mid-infrared inter-band cascade lasers, and terahertz quantum cascade lasers. His current research focus includes leveraging terahertz quantum cascade laser feedback interferometry for early melanoma detection and agri-photonics, as well as near-field terahertz and mid-infrared imaging of nanomaterials and nanostructures.
Availability
- Dr Karl Bertling is:
- Available for supervision
Fields of research
Qualifications
- Bachelor of Science in Physics, The University of Queensland
- Bachelor (Honours) of Engineering - Electrical, The University of Queensland
- Masters (Research) of Engineering - Electrical, The University of Queensland
- Doctor of Philosophy, The University of Queensland
Works
Search Professor Karl Bertling’s works on UQ eSpace
2024
Conference Publication
Terahertz nanoscopy
Guo, Xiao, Bertling, Karl, Brünig, Michael and Rakic, Aleksandar D. (2024). Terahertz nanoscopy. 2024 49th International Conference on Infrared, Millimeter, and Terahertz Waves, Perth, WA, Australia, 1-6 September 2024.
2024
Conference Publication
Near-field nanoscopy of terahertz collective excitations for silicon-based quantum technologies
Guo, Xiao, He, Xin, Degnan, Zachary, Chiu, Chun-Ching, Bertling, Karl, Donose, Bogdan C., Fedorov, Arkady, Jacobson, Peter and Rakić, Aleksandar D. (2024). Near-field nanoscopy of terahertz collective excitations for silicon-based quantum technologies. 2024 49th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), Perth, WA, Australia, 1 - 6 September 2024. Piscataway, NJ, United States: Institute of Electrical and Electronic Engineers. doi: 10.1109/irmmw-thz60956.2024.10697801
2024
Conference Publication
Terahertz quantum cascade laser feedback imaging for cultural heritage preservation
Bertling, K., Torniainen, J., Rakić, A.D., Bandyopadhyay, A., Chanda, P., Sengupta, A., Dean, P, Indjin, D, Li, L.H., Davies, A.G. and Linfield, E.H. (2024). Terahertz quantum cascade laser feedback imaging for cultural heritage preservation. 2024 49th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), Perth, WA, Australia, 1 - 6 September 2024. Piscataway, NJ, United States: Institute of Electrical and Electronic Engineers. doi: 10.1109/irmmw-thz60956.2024.10697894
2024
Journal Article
Collimated beam formation in 3D acoustic sonic crystals
Vanel, A.L., Dubois, M., Tronche, C., Fu, S., Wang, Y-T, Dupont, G., Rakić, A.D., Bertling, K., Abdeddaim, R., Enoch, S., Craster, R.V., Li, G., Guenneau, S. and Perchoux, J. (2024). Collimated beam formation in 3D acoustic sonic crystals. New Journal of Physics, 26 (7) 073021, 1-12. doi: 10.1088/1367-2630/ad5c94
2024
Journal Article
Detecting genetic variation in plants by mapping cell water dynamics with terahertz laser feedback interferometry
Kundu, Urbi, Torniainen, Jari, Bertling, Karl, Kashyap, Mayuri, Donose, Bogdan C., Gillespie, Tim, Indjin, Dragan, Li, Lianhe, Linfield, Edmund H., Davies, A. Giles, Dean, Paul, Bandyopadhyay, Aparajita, Sengupta, Amartya and Rakić, Aleksandar D. (2024). Detecting genetic variation in plants by mapping cell water dynamics with terahertz laser feedback interferometry. IEEE Transactions on Terahertz Science and Technology, 14 (5), 665-674. doi: 10.1109/tthz.2024.3412826
2024
Conference Publication
Variability in plant cell water dynamics as a genetic discriminatory method using terahertz quantum cascade laser-based laser feedback interferometry
Kundu, Urbi, Tornainen, Jari, Bertling, Karl, Kashyap, Mayuri, Singh, Khushboo, Donose, Bogdan, Gillespie, Tim, Indjin, Dragan, Li, Lianhe, Linfield, Edmund, Davies, Alexander, Dean, Paul, Bandyopadhyay, Aparajita, Sengupta, Amartya and Rakic, Aleksandar (2024). Variability in plant cell water dynamics as a genetic discriminatory method using terahertz quantum cascade laser-based laser feedback interferometry. Conference on Photonic Technologies in Plant and Agricultural Science, San Francisco, CA United States, 31 January 2024. Bellingham, WA United States: SPIE. doi: 10.1117/12.3002438
2023
Conference Publication
Comprehensive spectral and imaging studies of marble to assess the environmental damage using ULF Raman and THz absorption studies
Chanda, Puspita, Singh, Khushboo, Aalam, Uzair, Bertling, Karl, Bandyopadhyay, Aparajita, Rakic, Aleksandar and Sengupta, Amartya (2023). Comprehensive spectral and imaging studies of marble to assess the environmental damage using ULF Raman and THz absorption studies. Conference on Optics for Arts, Architecture, and Archaeology (O3A) IX, Munich, Germany, 26-27 June 2023. Bellingham, WA, United States: S P I E - International Society for Optical Engineering. doi: 10.1117/12.2673785
2023
Journal Article
Coherent Terahertz laser feedback interferometry for hydration sensing in leaves
Kashyap, Mayuri, Torniainen, Jari, Bertling, Karl, Kundu, Urbi, Singh, Khushboo, Donose, Bogdan, Gillespie, Tim, Lim, Yah Leng, Indjin, Dragan, Li, Lian He, Linfield, Edmund, Davies, Giles, Dean, Paul, Smith, Millicent, Chapman, Scott, Bandyopadhyay, Aparajita, Sengupta, Amartya and Rakic, Aleksandar (2023). Coherent Terahertz laser feedback interferometry for hydration sensing in leaves. Optics Express, 31 (15), 23877-23888. doi: 10.1364/oe.490217
2023
Journal Article
Terahertz nanospectroscopy of plasmon polaritons for the evaluation of doping in quantum devices
Guo, Xiao, He, Xin, Degnan, Zachary, Chiu, Chun-Ching, Donose, Bogdan C., Bertling, Karl, Fedorov, Arkady, Rakić, Aleksandar D. and Jacobson, Peter (2023). Terahertz nanospectroscopy of plasmon polaritons for the evaluation of doping in quantum devices. Nanophotonics, 12 (10), 1865-1875. doi: 10.1515/nanoph-2023-0064
2023
Journal Article
Comparison of physical and system factors impacting hydration sensing in leaves using terahertz time-domain and quantum cascade laser feedback interferometry imaging
Singh, Khushboo, Bandyopadhyay, Aparajita, Bertling, Karl, Lim, Yah Leng, Gillespie, Tim, Indjin, Dragan, Li, Lianhe, Linfield, Edmund H., Davies, A. Giles, Dean, Paul, Rakić, Aleksandar D. and Sengupta, Amartya (2023). Comparison of physical and system factors impacting hydration sensing in leaves using terahertz time-domain and quantum cascade laser feedback interferometry imaging. Sensors, 23 (5) 2721, 2721. doi: 10.3390/s23052721
2023
Journal Article
Terahertz imaging of human skin pathologies using laser feedback interferometry with quantum cascade lasers
Qi, Xiaoqiong, Bertling, Karl, Stark, Mitchell S., Taimre, Thomas, Kao, Yung-Ching, Lim, Yah Leng, Han, She, O'Brien, Blake, Collins, Angus, Walsh, Michael, Torniainen, Jari, Gillespie, Timothy, Donose, Bogdan C., Dean, Paul, Li, Lian He, Linfield, Edmund H., Davies, A. Giles, Indjin, Dragan, Soyer, H. Peter and Rakic, Aleksandar D. (2023). Terahertz imaging of human skin pathologies using laser feedback interferometry with quantum cascade lasers. Biomedical Optics Express, 14 (4) 480615, 1393-1410. doi: 10.1364/boe.480615
2023
Journal Article
Frequency combs in quantum cascade lasers: an overview of modeling and experiments
Silvestri, Carlo, Qi, Xiaoqiong, Taimre, Thomas, Bertling, Karl and Rakić, Aleksandar D. (2023). Frequency combs in quantum cascade lasers: an overview of modeling and experiments. APL Photonics, 8 (2) 020902, 020902. doi: 10.1063/5.0134539
2022
Conference Publication
Terahertz nanoscopy: a non-destructive characterization tool for nanomaterials and nanostructures
Guo, Xiao, Bertling, Karl, Donose, Bogdan C., He, Xin, Degnan, Zach, Solemanifar, Armin, Zhang, Xueqin, Laycock, Bronwyn, Virdis, Bernardino, Fedorov, Arkady, Jacobson, Peter and Rakić, Aleksandar D. (2022). Terahertz nanoscopy: a non-destructive characterization tool for nanomaterials and nanostructures. The 2022 Conference on Optoelectronic and Microelectronic Materials and Devices, Adelaide, SA Australia, 11-16 December 2022.
2022
Conference Publication
Hydration imaging with THz Quantum Cascade Lasers: Towards Precision Agriculture
Bertling, K., Kashyap, M., Torniainen, J., Kundu, U., Singh, K., Gillespie, T., Lim, Y. L., Dean, P., Indjin, D., Han, Y., Li, L., Sengupta, A., Bandyopadhyay, A., Davies, A.G., Linfield, E. H. and Rakić, A. D. (2022). Hydration imaging with THz Quantum Cascade Lasers: Towards Precision Agriculture. Conference on Optoelectronlc and Microelectronic Materials and Devices, Adelaide, SA Australia, 11-16 December 2022.
2022
Journal Article
Feedback regimes of LFI sensors: experimental investigations
Bertling, Karl, Qi, Xiaoqiong, Taimre, Thomas, Lim, Yah Leng and Rakić, Aleksandar D. (2022). Feedback regimes of LFI sensors: experimental investigations. Sensors, 22 (22) 9001, 1-12. doi: 10.3390/s22229001
2022
Journal Article
Self-pulsations in terahertz quantum cascade lasers under strong optical feedback: the effect of multiple reflections in the external cavity
Qi, Xiaoqiong, Loh, Hui Yi, Taimre, Thomas, Bertling, Karl, Indjin, Dragan and Rakić, Aleksandar D. (2022). Self-pulsations in terahertz quantum cascade lasers under strong optical feedback: the effect of multiple reflections in the external cavity. Sensors, 22 (21) 8501, 1-14. doi: 10.3390/s22218501
2022
Journal Article
Melimine-modified 3D-printed polycaprolactone scaffolds for the prevention of biofilm-related biomaterial infections
Cometta, Silvia, Jones, Robert T., Juárez-Saldivar, Alfredo, Donose, Bogdan C., Yasir, Muhammad, Bock, Nathalie, Dargaville, Tim R., Bertling, Karl, Brünig, Michael, Rakić, Aleksandar D., Willcox, Mark and Hutmacher, Dietmar W. (2022). Melimine-modified 3D-printed polycaprolactone scaffolds for the prevention of biofilm-related biomaterial infections. ACS Nano, 16 (10), 16497-16512. doi: 10.1021/acsnano.2c05812
2022
Conference Publication
Challenges and advances in THz scattering SNOM
Rakic, Aleksandar D., Guo, Xiao, Bertling, Karl and Donose, Bogdan (2022). Challenges and advances in THz scattering SNOM. 2nd International nanoscale Analytics Workshop , Munich, Germany, 18-21 May 2022.
2022
Journal Article
Probing peptide nanowire conductivity by THz nanoscopy
Solemanifar, Armin, Guo, Xiao, Donose, Bogdan C, Bertling, Karl, Laycock, Bronwyn and Rakić, Aleksandar D. (2022). Probing peptide nanowire conductivity by THz nanoscopy. Nanotechnology, 33 (6) 065503, 065503. doi: 10.1088/1361-6528/ac34a6
2022
Conference Publication
Study of moisture content in leaves through regression analysis of Terahertz images
Kashyap, Mayuri, Bandyopadhyay, Aparajita, Bertling, Karl, Sengupta, Amartya and Rakic, Aleksandar D. (2022). Study of moisture content in leaves through regression analysis of Terahertz images. Conference on Optical Sensing and Detection VII Part of SPIE Photonics Europe Conference, Strasbourg, France, 3 - 7 April 2022. Bellingham, WA, United States: S P I E - International Society for Optical Engineering. doi: 10.1117/12.2621425
Supervision
Availability
- Dr Karl Bertling is:
- Available for supervision
Before you email them, read our advice on how to contact a supervisor.
Supervision history
Current supervision
-
Doctor Philosophy
Engineering the Next Generation of Broadband Terahertz Technologies
Associate Advisor
Other advisors: Dr Tina Qi, Professor Aleksandar Rakic
-
Doctor Philosophy
Investigation and design of passive modules for Terahertz Quantum Cascade Lasers (QCL) imaging system
Associate Advisor
Other advisors: Dr Tina Qi, Professor Aleksandar Rakic
-
Doctor Philosophy
Application of non-contact THz spectroscopic imaging towards preservation of heritage structures in India
Associate Advisor
Other advisors: Professor Aleksandar Rakic
-
Doctor Philosophy
Application of non-contact THz spectroscopic imaging towards preservation of heritage structures in India
Associate Advisor
Other advisors: Professor Aleksandar Rakic
Completed supervision
-
2022
Doctor Philosophy
Light-matter interactions at the nanoscale: a case for terahertz near-field spectroscopy in semiconductor nanodevices
Associate Advisor
Other advisors: Professor Aleksandar Rakic
Media
Enquiries
For media enquiries about Dr Karl Bertling's areas of expertise, story ideas and help finding experts, contact our Media team: