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
2014
Conference Publication
High-power (> 1 Watt) terahertz frequency quantum cascade lasers for stand-off imaging
Valavanis, A., Dean, P., Li, L., Burnett, A. D., Keeley, J., Chowdhury, S., Alhathlool, R., Chen, L., Zhu, J., Han, J., Freeman, J., Khanna, S. P., Indjin, D., Davies, A. G., Linfield, E. H., Taimre, T., Lim, Y. L., Bertling, K. and Rakic, A. (2014). High-power (> 1 Watt) terahertz frequency quantum cascade lasers for stand-off imaging. Sensors and Electronics Panel (SET) Specialists’ Meeting, Salisbury, United Kingdom, 24-25 July 2014. NATO Science and Technology Organization.
2014
Conference Publication
THz QCL self-mixing interferometry for biomedical applications
Rakić, Aleksandar, Taimre, Thomas, Bertling, Karl, Lim, Yah Leng, Wilson, Stephen J., Nikolić, Milan, Valavanis, Alexander, Indjin, Dragan, Linfield, Edmund H., Davies, A. Giles, Ferguson, Blake, Walker, Graeme, Schaider, Helmut and Soyer, H. Peter (2014). THz QCL self-mixing interferometry for biomedical applications. SPIE Optical Engineering + Applications Conference 2014, San Diego, United States, 17-21 August 2014. Bellingham, WA, United States: S P I E - International Society for Optical Engineering. doi: 10.1117/12.2061433
2014
Conference Publication
Electrical modulation schemes for imaging by self-mixing in terahertz quantum cascade lasers
Keeley, J. T., Dean, P., Valavanis, A., Bertling, K., Taimre, T., Lim, Y. L., Alhathlool, R., Chowdhury, S., Li, L. H., Indjin, D., Rakić, A., Linfield, E. H. and Davies, A. G. (2014). Electrical modulation schemes for imaging by self-mixing in terahertz quantum cascade lasers. IQCLSW 2014: 1st International Quantum Cascade Lasers School and Workshop, Policoro (Matera), Italy, 7-12 September, 2014.
2014
Conference Publication
Effect of the optical numerical aperture on the Doppler spectrum in laser Doppler velocimetry
Mowla, Alireza, Nikolic, Milan, Lim, Yah Leng, Bertling, Karl, Rakic, Aleksandar D. and Taimre, Thomas (2014). Effect of the optical numerical aperture on the Doppler spectrum in laser Doppler velocimetry. Conference on Optoelectronic and Microelectronic Materials and Devices, Perth, WA, Australia, 14-17 December 2014. Perth, WA, Australia: Institute of Electrical and Electronic Engineers. doi: 10.1109/COMMAD.2014.7038654
2014
Conference Publication
Coherent THz imaging using the self-mixing effect in quantum cascade lasers
Dean, P., Taimre, T., Lui, H. S., Bertling, K., Lim, Y. L., Valavanis, A., Keeley, J., Alhathlool, R., Chowdhury, S., Li, L. H., Khanna, S. P., Lachab, M., Indjin, D., Rakic, A. D., Linfield, E. H. and Davies, A. G. (2014). Coherent THz imaging using the self-mixing effect in quantum cascade lasers. Optical Sensors, Barcelona Spain, 27-31 July 2014. Washington, D.C.: Optical Society of American (OSA). doi: 10.1364/SENSORS.2014.SeTh4B.3
2013
Journal Article
Demonstration of the self-mixing effect in interband cascade lasers
Bertling, K., Lim, Y. L., Taimre, T., Indjin, D., Dean, P., Weih, R., Höfling, S., Kamp, M., von Edlinger, M., Koeth, J. and Rakić, A. (2013). Demonstration of the self-mixing effect in interband cascade lasers. Applied Physics Letters, 103 (23) 231107, 231107.1-231107.3. doi: 10.1063/1.4839535
2013
Journal Article
Self-mixing laser Doppler flow sensor: an optofluidic implementation
Nikolić, Milan, Hicks, Elaine, Lim, Yah Leng, Bertling, Karl and Rakić, Aleksandar (2013). Self-mixing laser Doppler flow sensor: an optofluidic implementation. Applied Optics, 52 (33), 8128-8133. doi: 10.1364/AO.52.008128
2013
Journal Article
Coherent three-dimensional terahertz imaging through self-mixing in a quantum cascade laser
Dean, Paul, Valavanis, Alex, Keeley, James, Bertling, Karl, Lim, Yah Leng, Alhathlool, Raed, Chowdhury, Siddhant, Taimre, Thomas, Li, Lianhe H., Indjin, Dragan, Wilson, Stephen J., Rakić, Aleksandar, Linfield, Edmund H. and Davies, A. Giles (2013). Coherent three-dimensional terahertz imaging through self-mixing in a quantum cascade laser. Applied Physics Letters, 103 (18) 181112, 181112.1-181112.4. doi: 10.1063/1.4827886
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
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
THz imaging using optical feedback in quantum cascade lasers.
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
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