. Bringing high-spectral resolution to VLT/SPHERE with a fibre coupling to VLT/CRIRES+. In SPIE, 2018.

Preprint Project



Combining high contrast imaging with high dispersion spectroscopy.


The Multi-Site All-Sky CAmeRA searches for transiting exoplanets around the brightest stars in the sky.

vAPP coronagraph

The vector Apodizing Phase Plate coronagraph (vAPP) surpressed starlight on both sides of a star using an achromatic pupil-plane coronagraph based on liquid-crystal technology. This enables an improved detection and characterization of exoplanets and their atmospheres.

Genetic genealogy

DNA is a powerful tool in family research and has provided valuable clues in my family’s origins.


Otten family tree with more than 10000 relatives. Updated since the year 2000.


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