Gas and Process Technology

More information about our business unit »Gas and Process Technology« is available for download below.

Spectroscopy and Process Analytics


Raman spectroscopy for hydrogen detection

Raman spectroscopy enables selective hydrogen detection without cross-sensivitivies.


Remote gas detection

Sensitive measuring technology for quantitative leak testing of gas infrastructure based on laser spectroscopy.


Quantifying gas

A spectroscopic gas analyzer to quantify regeneratively produced gases


Fast QCL-spectrometer for engine exhaust

Laser based spectroscopic exhaust gas analyzing systeme measure concentrations of gas compontents in the exhaust line.


Online process
monitoring of liquids

Analysing liquids by means of ATR spectroscopy.


Multi reflection gas measurement cells

Detection of low gas concentrations and analysis of complex gas mixtures.

Integrated Sensor Systems


Semiconductor gas

We develop miniaturized, low-power MOX gas sensors, from gas-sensitive material to methods of production.



Colorimetric gas sensors

Small, flexible and low-cost gas sensors reliably measure various gases.

Photoacoustic gas
measurement system

Selective measurements at low power consumption


Infrared emitter for gas sensors

Microstructured, modulated IR emitter.

Thermal Measurement Techniques and Systems


Thermal conductivity detector for H2 detection

This compact sensor detects H2 quickly and with a high degree of sensitivity. Thanks to MEMS technology, it uses very little energy.


High-temperature Hall measurement station

Material characterization at 900 K


Microfluidic low cost calorimeters on flexible substrates for biological and chemical applications.

Measuring with a touch

Evaluating material properties by touching with a µ-structured sensor.

Nonlinear Optics and Quantum Sensing


Breath analysis

Photothermal detection of trace gases in real time



Quantum Fourier transform infrared spectrometer for highly performant mid-infrared spectroscopy.


frequency converters

Unique waveguides for unique applications


Tailor-made wavelengths

Nonlinear-optical frequency conversion for generating customer specific wavelenghts


Crystalline High-Q

A versatile platform for light generation and manipulation


Maskless poling of LN crystals

A maskless poling technique, which combines short turnaround times, full flexibility in poling-pattern design with high quality poling results.


Dual Frequency Comb Spectrocopy

High-performance spectroscopy for gas mixures in dynamic processes.



Nonlinear optical upconversion into the
very-near-infrared range



C-Wave, an optical parametric oscillator (OPOs), is characterized by its wide tunability and high emission power over the entire spectral range. C-Wave was developed by Fraunhofer IPM, the University of Freiburg and Hübner GmbH & Co KG

Optical Parametric

Continuous-wave, single-frequency lasers:
powerful tools for a wide range of


PCI spectrometer

Absorption spectroscopy of transparent optical materials