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
2013
Journal Article
Swept-frequency feedback interferometry using terahertz frequency QCLs: a method for imaging and materials analysis
Rakić, Aleksandar, Taimre, Thomas, Bertling, Karl, Lim, Yah Leng, Dean, Paul, Indjin, Dragan, Ikonić, Zoran, Harrison, Paul, Valavanis, Alexander, Khanna, Suraj P., Lachab, Mohammad, Wilson, Stephen J., Linfield, Edmund H. and Davies, A. Giles (2013). Swept-frequency feedback interferometry using terahertz frequency QCLs: a method for imaging and materials analysis. Optics Express, 21 (19), 22194-22205. doi: 10.1364/OE.21.022194
2013
Journal Article
Approach to frequency estimation in self-mixing interferometry: multiple signal classification
Nikolic, Milan, Jovanovic, Dejan P., Lim, Yah Leng, Bertling, Karl, Taimre, Thomas and Rakic, Aleksandar D. (2013). Approach to frequency estimation in self-mixing interferometry: multiple signal classification. Applied Optics, 52 (14), 3345-3350. doi: 10.1364/AO.52.003345
2013
Journal Article
On the feasibility of self-mixing interferometer sensing for detection of the surface electrocardiographic signal using a customized electro-optic phase modulator
Bakar, A. Ashrif A., Lim, Yah Leng, Wilson, Stephen J., Fuentes, Miguel, Bertling, Karl, Taimre, Thomas, Bosch, Thierry and Rakic, Aleksandar D. (2013). On the feasibility of self-mixing interferometer sensing for detection of the surface electrocardiographic signal using a customized electro-optic phase modulator. Physiological Measurement, 34 (2), 281-289. doi: 10.1088/0967-3334/34/2/281
2013
Conference Publication
Self-mixing effect in THz quantum cascade lasers: applications in sensing and imaging
Rakić, Aleksandar D., Taimre, Thomas, Bertling, Karl, Lim, Yah Leng, Dean, Paul, Keeley, James, Valavanis, Alex, Alhathlool, Raed, Khanna, Suraj P., Lachab, Mohammad, Indjin, Dragan, Ikonic, Zoran, Harrison, Paul, Linfield, Edmund H. and Davies, A. Giles (2013). Self-mixing effect in THz quantum cascade lasers: applications in sensing and imaging. ICP2013: 4th International Conference on Photonics, Melaka, Malaysia, 28-30 October, 2013. Piscataway, NJ, USA: IEEE. doi: 10.1109/ICP.2013.6687056
2013
Conference Publication
Coherent imaging and sensing using the self-mixing effect in THz quantum cascade lasers
Dean, Paul, Taimre, Thomas, Bertling, Karl, Lim, Yah Leng, Keeley, James, Valavanis, Alex, Alhathlool, Raed, Khanna, Suraj P., Lachab, Mohammad, Indjin, Dragan, Linfield, Edmund H., Davies, A. Giles and Rakić, Aleksandar (2013). Coherent imaging and sensing using the self-mixing effect in THz quantum cascade lasers. ITQW 2013: The 12th International Conference on Intersubband Transitions in Quantum Wells, Boston Landing, NY, USA, 16-20 September, 2013. Princeton, NJ, United States: Princeton University.
2013
Journal Article
Flow profile measurement in microchannel using the optical feedback interferometry sensing technique
Campagnolo, Lucie, Nikolić, Milan, Perchoux, Julien, Lim, Yah Leng, Bertling, Karl, Loubière, Karine, Prat, Laurent, Rakić, Aleksandar D. and Bosch, Thierry (2013). Flow profile measurement in microchannel using the optical feedback interferometry sensing technique. Microfluidics and Nanofluidics, 14 (1-2), 113-119. doi: 10.1007/s10404-012-1029-0
2012
Journal Article
SOS junctionless MOSFETs vs. inversion channel MOSFETs: Doubling the device speed without changing the technology
Bertling, K., Rakic, A. D., Yeow, Y. T., O'Brien, C. J. and Domyo, H. (2012). SOS junctionless MOSFETs vs. inversion channel MOSFETs: Doubling the device speed without changing the technology. Microwave and Optical Technology Letters, 54 (12), 2755-2757. doi: 10.1002/mop.27163
2012
Conference Publication
Self-mixing laser velocimetry: a realistic model
Kliese, Russell, Lim, Yah Leng, Bertling, Karl and Rakic, Aleksandar (2012). Self-mixing laser velocimetry: a realistic model. 2012 Conference on Optoelectronic and Microelectronic Materials & Devices (COMMAD 2012), Melbourne, Australia, 12-14 December 2012. Piscataway, NJ, United States: Institute of Electrical and Electronics Engineers (IEEE). doi: 10.1109/COMMAD.2012.6472371
2012
Journal Article
Comparison of SOS MOSFET's equivalent circuit parameters extracted from LCR meter and VNA measurement
Bertling, Karl, Rakic, Aleksandar D., Yeow, Yew Tong, Brawley, Andrew, Domyo, Hiroshi and Rotella, Francis M. (2012). Comparison of SOS MOSFET's equivalent circuit parameters extracted from LCR meter and VNA measurement. IEEE Transactions on Electron Devices, 59 (1) 6069573, 20-25. doi: 10.1109/TED.2011.2170426
2012
Conference Publication
Towards a scanning laser confocal microscope using the self-mixing effect
Gaynor, J. E., Lim, Y. L., Bertling, K. and Rakic, A. (2012). Towards a scanning laser confocal microscope using the self-mixing effect. 2012 Conference on Optoelectronic and Microelectronic Materials & Devices (COMMAD 2012), Melbourne, Australia, 12-14 December 2012. Piscataway, NJ, United States: IEEE. doi: 10.1109/COMMAD.2012.6472370
2012
Conference Publication
Electrocardiographic signal detection using self-mixing interferometer technique with customized electro-optic phase modulator
Bakar, Ahmad Ashrif A., Lim, Yah Leng, Wilson, Stephen J., Fuentes, Miguel, Bertling, Karl, Bosch, Thierry and Rakic, Aleksandar D. (2012). Electrocardiographic signal detection using self-mixing interferometer technique with customized electro-optic phase modulator. ICP 2012 3rd International Conference on Photonics, Penang, Malaysia, 1-3 October 2012. Piscataway, NJ, United States: IEEE. doi: 10.1109/ICP.2012.6379524
2012
Conference Publication
Integrated optofluidic flow sensor using the self-mixing effect
Fok, E., Nikolic, M., Lim, Y. L., Bertling, K. and Rakic, A. (2012). Integrated optofluidic flow sensor using the self-mixing effect. 2012 Conference on Optoelectronic and Microelectronic Materials & Devices (COMMAD 2012), Melbourne, Australia, 12-14 December 2012. Piscataway, NJ, United States: IEEE. doi: 10.1109/COMMAD.2012.6472425
2012
Other Outputs
Microwave characterisation and parameters extraction of silicon-on-sapphire (SOS) MOSFET's for device and circuit modelling
Bertling, Karl (2012). Microwave characterisation and parameters extraction of silicon-on-sapphire (SOS) MOSFET's for device and circuit modelling. PhD Thesis, School of Information Technol and Elec Engineering, The University of Queensland.
2012
Conference Publication
Profiling the change in refractive index using the self-mixing effect in lasers
Ross-Conley, F., Bertling, K., Lim, Y. L., Bradley, A. P. and Rakic, A. (2012). Profiling the change in refractive index using the self-mixing effect in lasers. 2012 Conference on Optoelectronic and Microelectronic Materials & Devices (COMMAD 2012), Melbourne, Australia, 12-14 December 2012. Piscataway, NJ, United States: IEEE. doi: 10.1109/COMMAD.2012.6472372
2012
Conference Publication
Optical electrocardiograph using self-mixing interferometer technique with a customized electro-optic phase modulator
Bakar, A. A. A., Lim, Y. L., Wilson, S. J., Bertling, K., Fuentes, M. A. and Rakic, A. (2012). Optical electrocardiograph using self-mixing interferometer technique with a customized electro-optic phase modulator. Conference on Optoelectronic and Microelectronic Materials & Devices (COMMAD 2012), Melbourne, Australia, 11-14 December 2012. Piscataway, NJ, United States: IEEE. doi: 10.1109/COMMAD.2012.6472373
2012
Conference Publication
Self-mixing signals in terahertz lasers
Lim, Y. L., Bertling, K., Dean, P., Valavanis, A., Alhathlool, R., Khanna, S. P., Indjin, D., Linfield, E. H., Davies, A. G., Wilson, S. J. and Rakic, A. (2012). Self-mixing signals in terahertz lasers. 2012 Conference on Optoelectronic and Microelectronic Materials & Devices (COMMAD 2012), Melbourne, Australia, 12-14 December 2012. Piscataway, NJ, United States: IEEE. doi: 10.1109/COMMAD.2012.6472382
2012
Conference Publication
Comparison of the RF characteristics of inversion channel and depletion channel SOS MOSFETs
Bertling, K., Rakic, A., Yeow, Y. T., O'Brien, C. J. and Domyo, H. (2012). Comparison of the RF characteristics of inversion channel and depletion channel SOS MOSFETs. 2012 Conference on Optoelectronic and Microelectronic Materials & Devices (COMMAD 2012), Melbourne, Australia, 12-14 December 2012. Piscataway, NJ, United States: IEEE. doi: 10.1109/COMMAD.2012.6472369
2010
Journal Article
Extraction of SOS MOSFET RF equivalent circuit elements by LCR meter measurements
Bertling, K., Rakic, A. D., Yeow, Y. T., Brawley, A., Domyo, H. and Rotella, F. M. (2010). Extraction of SOS MOSFET RF equivalent circuit elements by LCR meter measurements. Electronics Letters, 46 (12), 863-864. doi: 10.1049/el.2010.0922
2010
Journal Article
Self-mixing flow sensor using a monolithic VCSEL array with parallel readout
Lim, Yah Leng, Kliese, Russell, Bertling, Karl, Tanimizu, Katsuyoshi, Jacobs, P. A. and Rakić, Aleksandar D. (2010). Self-mixing flow sensor using a monolithic VCSEL array with parallel readout. Optics Express, 18 (11), 11720-11727. doi: 10.1364/OE.18.011720
2010
Conference Publication
A novel self-mixing sensor architecture using a PLL for noise immunity
Zigenbine, Ezra, Kliese, Russell, Bertling, Karl and Rakic, Aleksandar D. (2010). A novel self-mixing sensor architecture using a PLL for noise immunity. 2010 Conference on Optoelectronic and Microelectronic Materials and Devices (COMMAD), Canberra, ACT, Australia, 12-15 December, 2010. Piscataway, NJ, U.S.A.: Institute of Electrical and Electronics Engineers (IEEE). doi: 10.1109/COMMAD.2010.5699800
Funding
Current funding
Past funding
Supervision
Availability
- Dr Karl Bertling is:
- Available for supervision
Looking for a supervisor? Read our advice on how to choose a supervisor.
Supervision history
Current supervision
-
Doctor Philosophy
Engineering Beam Profiles in Terahertz Quantum Cascade Lasers: An Electromagnetic Approach
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
Understanding contrast mechanisms of absorption spectroscopy of skin DNA solutions using biomolecule dynamics
Associate Advisor
Other advisors: Dr Tina Qi
Completed supervision
-
2025
Doctor Philosophy
Terahertz imaging using optical feedback in quantum cascade lasers
Associate Advisor
Other advisors: Dr Tina Qi, Professor Aleksandar Rakic
-
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
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