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
Featured
2024
Journal Article
Terahertz nanoscopy: advances, challenges, and the road ahead
Guo, Xiao, Bertling, Karl, Donose, Bogdan C., Brünig, Michael, Cernescu, Adrian, Govyadinov, Alexander A. and Rakić, Aleksandar D. (2024). Terahertz nanoscopy: advances, challenges, and the road ahead. Applied Physics Reviews, 11 (2) 021306. doi: 10.1063/5.0189061
Featured
2024
Journal Article
Terahertz in vivo imaging of human skin: toward detection of abnormal skin pathologies
Qi, X., Bertling, K., Torniainen, J., Kong, F., Gillespie, T., Primiero, C., Stark, M. S., Dean, P., Indjin, D., Li, L. H., Linfield, E. H., Davies, A. G., Brünig, M., Mills, T., Rosendahl, C., Soyer, H. P. and Rakić, A. D. (2024). Terahertz in vivo imaging of human skin: toward detection of abnormal skin pathologies. APL Bioengineering, 8 (1) 016117, 016117. doi: 10.1063/5.0190573
Featured
2023
Journal Article
Ultrasound in solids: how to use laser feedback interferometry to visualize elastic waves
Bertling, Karl, Veidt, Martin, Perchoux, Julien and Rakic, Aleksandar (2023). Ultrasound in solids: how to use laser feedback interferometry to visualize elastic waves. Optics Express, 31 (20) 497676, 32761-32771. doi: 10.1364/oe.497676
Featured
2023
Journal Article
Near-field localization of the boson peak on tantalum films for superconducting quantum devices
Guo, Xiao, Degnan, Zachary, Steele, Julian A., Solano, Eduardo, Donose, Bogdan C., Bertling, Karl, Fedorov, Arkady, Rakić, Aleksandar D. and Jacobson, Peter (2023). Near-field localization of the boson peak on tantalum films for superconducting quantum devices. The Journal of Physical Chemistry Letters, 14 (20), 4892-4900. doi: 10.1021/acs.jpclett.3c00850
Featured
2023
Book Chapter
Self-mixing in quantum cascade lasers: theory and applications
Dean, Paul, Keeley, Jay, Lim, Yah Leng, Bertling, Karl, Taimre, Thomas, Rubino, Pierluigi, Indjin, Dragan and Rakic, Aleksandar (2023). Self-mixing in quantum cascade lasers: theory and applications. Mid-infrared and terahertz quantum cascade lasers. (pp. 477-508) edited by Dan Botez and Mikhail A. Belkin. Cambridge, United Kingdom: Cambridge University Press. doi: 10.1017/9781108552066
Featured
2021
Journal Article
Near-field terahertz nanoscopy of coplanar microwave resonators
Guo, Xiao, He, Xin, Degnan, Zach, Donose, Bogdan C., Bertling, Karl, Fedorov, Arkady, Rakić, Aleksandar D. and Jacobson, Peter (2021). Near-field terahertz nanoscopy of coplanar microwave resonators. Applied Physics Letters, 119 (9) 091101, 1-6. doi: 10.1063/5.0061078
Featured
2021
Journal Article
Optical constants from scattering-type scanning near-field optical microscope
Guo, Xiao, Bertling, Karl and Rakić, Aleksandar D. (2021). Optical constants from scattering-type scanning near-field optical microscope. Applied Physics Letters, 118 (4) 0036872, 041103. doi: 10.1063/5.0036872
Featured
2019
Journal Article
Sensing and imaging using laser feedback interferometry with quantum cascade lasers
Rakić, A. D., Taimre, T., Bertling, K., Lim, Y. L., Dean, P., Valavanis, A. and Indjin, D. (2019). Sensing and imaging using laser feedback interferometry with quantum cascade lasers. Applied Physics Reviews, 6 (2) 021320, 021320. doi: 10.1063/1.5094674
Featured
2019
Journal Article
Coherent imaging using laser feedback interferometry with pulsed-mode terahertz quantum cascade lasers
Lim, Yah Leng, Bertling, Karl, Taimre, Thomas, Gillespie, Tim, Glenn, Chris, Robinson, Ashley, Indjin, Dragan, Han, Yingjun, Li, Lianhe, Linfield, Edmund H., Davies, A. Giles, Dean, Paul and Rakić, Aleksandar D. (2019). Coherent imaging using laser feedback interferometry with pulsed-mode terahertz quantum cascade lasers. Optics Express, 27 (7), 10221-10233. doi: 10.1364/oe.27.010221
Featured
2015
Journal Article
Laser feedback interferometry: a tutorial on the self-mixing effect for coherent sensing
Taimre, Thomas, Nikolic, Milan, Bertling, Karl, Lim, Yah Leng, Bosch, Thierry and Rakic, Aleksandar (2015). Laser feedback interferometry: a tutorial on the self-mixing effect for coherent sensing. Advances in Optics and Photonics, 7 (3), 570-631. doi: 10.1364/AOP.7.000570
Featured
2014
Journal Article
Imaging of acoustic fields using optical feedback interferometry
Bertling, Karl, Perchoux, Julien, Taimre, Thomas, Malkin, Robert, Robert, Daniel, Rakic, Aleksandar D. and Bosch, Thierry (2014). Imaging of acoustic fields using optical feedback interferometry. Optics Express, 22 (24), 30346-30356. doi: 10.1364/OE.22.030346
2025
Journal Article
2025 Photonics for Agrifood roadmap: towards a sustainable and healthier planet
Smeesters, Lien, Venturini, Francesca, Paulus, Stefan, Mahlein, Anne-Katrin, Perpetuini, David, Cardone, Daniela, Merla, Arcangelo, Gac, Benjamin, Perrin, Stephane, Trégoat, Denis, Poffo, Luiz, Fournier, Antoine, Bonifazi, Giuseppe, Serranti, Silvia, Liao, Wenzhi, Osseiran, Noureddin, Vanwolleghem, Mathias, Peretti, Romain, Bandyopadhyay, Aparajita, Bertling, Karl, Parameswaran, Krishnan, Rakić, Aleksandar D., Sengupta, Amartya, Svanberg, Sune, Kujawinska, Małgorzata, Cozzolino, Daniel, PEREZ-MARIN, Dolores, Entrenas de León, José A., Torres Rodríguez, Irina ... Mignani, Anna Grazia (2025). 2025 Photonics for Agrifood roadmap: towards a sustainable and healthier planet. Journal of Physics: Photonics. doi: 10.1088/2515-7647/adbea9
2024
Conference Publication
Terahertz Laser Feedback Imaging of Marble Cultural Heritage Structures
Bertling, Karl, Torniainen, Jari, Guo, Xiao, Bandyopadhyay, Aparajita, Chanda, Puspita, Sengupta, Amartya, Dean, Paul, Li, Lianhe, Indjin, Dragan, Davies, A. Giles, Linfield, Edmund H. and Rakić, Aleksandar D. (2024). Terahertz Laser Feedback Imaging of Marble Cultural Heritage Structures. 2024 Conference on Optoelectronic and Microelectronic Materials and Devices, Melbourne, VIC Australia, 2-5 December 2024.
2024
Conference Publication
Non-destructive 3D terahertz imaging via laser feedback interferometry
Silva, Jorge, Plöschner, Martin, Bertling, Karl, Ghantala, Mukund, Gillespie, Tim, Torniainen, Jari, Herbert, Jeremy, Lim, Yah Leng, Taimre, Thomas, Qi, Xiaoqiong, Donose, Bogdan C., Zhou, Tao, Lui, Hoi-Shun, Indjin, Dragan, Han, Yingjun, Li, Lianhe, Valavanis, Alexander, Linfield, Edmund H., Davies, A. Giles, Dean, Paul and Rakić, Aleksandar D. (2024). Non-destructive 3D terahertz imaging via laser feedback interferometry. 2024 Conference on Optoelectronic and Microelectronic Materials and Devices, Melbourne, VIC Australia, 2-5 December 2024.
2024
Conference Publication
Terahertz scattering-type scanning near-field optical microscopy of collective excitations for quantum technologies
Guo, Xiao, He, Xin, Degnan, Zachary, Chiu, Chun-Ching, Bertling, Karl, Donose, Bogdan, Steele, Julian A,, Solano, Eduardo, Brünig, Michael, Fedorov, Arkady, Jacobson, Peter and Rakić, Aleksandar D. (2024). Terahertz scattering-type scanning near-field optical microscopy of collective excitations for quantum technologies. 17th International Conference on Near-field Optics, Nanophotonics, and Related Techniques, Melbourne, VIC Australia, 2-6 December 2024.
2024
Conference Publication
Attocube Near-field Optical Nanoscopy Workshop --- Terahertz nanoscopy: advances, challenges, and the road ahead
Guo, Xiao, Bertling, Karl, Donose, Bogdan C., Brünig, Michael, Cernescu, Adrian, Govyadinov, Alexander A. and Rakić, Aleksandar D. (2024). Attocube Near-field Optical Nanoscopy Workshop --- Terahertz nanoscopy: advances, challenges, and the road ahead. 17th International Conference on Near-field Optics, Nanophotonics, and Related Techniques, Melbourne, VIC Australia, 2-6 December 2024.
2024
Journal Article
A novel tape-free sample preparation method for human osteochondral cryosections for high throughput hyperspectral imaging
Fan, Xiwei, Donose, Bogdan, Jones, Michael W M, Howard, Daryl, Torniainen, Jari, Bertling, Karl, Guo, Xiao, Kewish, Cameron M, Lee, Kah Meng, Sun, Antonia Rujia, Rakic, Aleksandar, Crawford, Ross, Afara, Isaac O. and Prasadam, Indira (2024). A novel tape-free sample preparation method for human osteochondral cryosections for high throughput hyperspectral imaging. Histochemistry and Cell Biology, 163 (1) 16. doi: 10.1007/s00418-024-02338-1
2024
Conference Publication
Terahertz near-field optical nanoscopy of collective excitations for quantum technologies
Guo, Xiao, Bertling, Karl, He, Xin, Degnan, Zachary, Chiu, Chun-Ching, Donose, Bogdan C., Steele, Julian A., Solano, Eduardo, Brünig, Michael, Fedorov, Arkady, Jacobson, Peter, Cernescu, Adrian, Govyadinov, Alexander A. and Rakić, Aleksandar D. (2024). Terahertz near-field optical nanoscopy of collective excitations for quantum technologies. 12th International Symposium on Ultrafast Phenomena and THz Waves, Guangzhou, China, 15-18 November 2024.
2024
Conference Publication
Near-field terahertz nanoscopy of superconducting quantum devices
Jacobson, Peter A., Guo, Xiao, Degnan, Zachary, Steele, Julian, Donose, Bogdan, Bertling, Karl, Fedorov, Arkady and Rakic, Aleksandar (2024). Near-field terahertz nanoscopy of superconducting quantum devices. Spintronics XVII, San Diego, CA, United States, 4 October 2024. SPIE. doi: 10.1117/12.3027536
2024
Conference Publication
Terahertz absorption & Raman studies of environmental impact on marble
Chanda, Puspita, Bajaj, Naini, Bandyopadhyay, Aparajita, Sengupta, Amartya, Bertling, Karl and Rakic, A.D. (2024). Terahertz absorption & Raman studies of environmental impact on marble. 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-thz60956.2024.10697671
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
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
-
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
THz imaging using optical feedback in quantum cascade lasers.
Associate Advisor
Other advisors: Dr Tina Qi, 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: