Personal profile


The core competence of Peter Tidemand-Lichtenberg's research is in the development of novel light sources and detection systems targeted for specific applications. The light sources and detector systems are based on non-linear frequency mixing using efficient solid-state or semiconductor based laser systems. 

 Specifically a generic approach is sought for the development of coherent light sources in the UV and visible spectrum. The light sources are designed and tailored for specific applications, e.g. in terms of wavelength, tuneablilty, pulse duration, and pulse energy. Applications are within bio-medicine: e.g. as excitation light source for fluorescence spectroscopy and within dermatology. 

The spectral coverage from the visible has recently been extended to cover the mid-IR spectral range, allowing for development of efficient light sources as well as detection systems in the 2 – 12 um range based on frequency mixing. Applications for these systems are gas sensing: e.g. in monitoring combustion systems or environment control. Lately systems for hyper spectral imaging in the mid-IR spectral range have been the main focus.

Link to latest project

Other information

Research projects:

Heads or participate in the following projects:

2002 – 2005     “Non Invasive Two-Photon Processes in Tissue”

                         Funded by the Technical University of Denmark

2003 – 2006     “Tuneable light sources in the visible and UV spectral region”

                         Funded by the Danish Technical Research Council (STVF) and the

                         Center for Biomedical optics and New Laser Systems (BIOP)

2005 – 2008     “Investigation of non-classical light and its application in ultra-sensitive measurements”

                         Australian National University (ANU), Center for Biomedical optics and New

                         Laser Systems (BIOP) and the Technical University of Denmark

2006 – 2009     “General approach to high power, coherent visible and ultraviolet light sources”

                         Funded by the Danish Technical Research Council (FTP) and the

                         Technical University of Denmark

Management experience:

2007 –                  Member of director board – QNLO graduate school

2005 –                  Member of director board – DOPS

2003 –                  Member of director board – BIOP graduate school

Organizer or co-organizer of scientific meetings and summer schools:

Oct. 2002      Quantum and Nonlinear Optics, (graduate summer school) DTU.

Oct. 2003      Biomedical optics, (symposium) DTU.

Sep. 2004     Quantum and Nonlinear Optics, (graduate summer school) DTU.

Nov. 2004    Biomedical optics, (symposium), DTU.

Aug. 2006    Quantum and Nonlinear Optics, (graduate summer school) DTU.

Aug. 2008    Quantum and Nonlinear Optics, (graduate summer school) Hven.


Language Skills:

Research areas

Optical Parametric Processes

Second harmonic generation

Sum- and difference frequency mixing

Solid-state lasers

Bio-medical optics

Coherent light sources

Pulsed lasers

Expertise related to UN Sustainable Development Goals

In 2015, UN member states agreed to 17 global Sustainable Development Goals (SDGs) to end poverty, protect the planet and ensure prosperity for all. This person’s work contributes towards the following SDG(s):

  • SDG 3 - Good Health and Well-being
  • SDG 14 - Life Below Water

Education/Academic qualification

Ph.D., Department of Physics, Technical University of Denmark


M.Sc., Department of Physics, Technical Univeristy of Denmark


External positions

Associate Professor, Technical University of Denmark

2002 → …

Research and Development, Torsana Laser Technologies A/S


Research and Development, Nordic Laser Systems A/S



  • User defined:
  • Upconversion imaging and spectroscopy
  • Solid-state lasers
  • Nonlinear frequency conversion
  • Sum- and difference frequency mixing
  • Biomedical optics


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Collaborations and top research areas from the last five years

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