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University of Helsinki

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Laser spectroscopy

Research

Most of our research topics are related to experimental molecular spectroscopy and infrared photonics. Below you can find examples of our recent and ongoing work.

Femtosecond mid-infrared OFC generator

Frequency-comb spectroscopy

Optical frequency comb is one of the most powerful technologies available for modern molecular spectroscopy. Simultaneous measurements of...

Whispering gallery mode resonator

Nonlinear optics

Nonlinear optical frequency conversion is an important enabling technology for a variety of applications, especially laser spectroscopy...

Photoacoustic cell

Photoacoustics

Photoacoustic effect is the generation of acoustic waves as a result of light absorption in a material. As an example, consider a laser...

Lab test: Attenuation of laser beam due to dense fog

Free-space laser links

Laser-based standoff detection of chemical species, optical and thermal imaging, LIDAR and wireless optical communications are examples of...