3 papers
astro-ph.IM2026
The First Look of Gaia: Daily data quality and instrument health assessment with automated early warnings
M. Altmann, Z. Balog, W. Löffler +15
The ESA Gaia mission is a 10+ year astrometric whole-sky scan, demanding consistent data quality over the whole timespan of operations Aims. The Gaia First Look (FL) is a system wh…
physics.optics2026
Alignment conditions of the human eye for few-photon vision experiments
T. H. A. van der Reep, W. Löffler
In experiments probing human vision at the few-photon level, precise alignment of the eye is necessary such that stimuli reach the most sensitive region of the retina. However, in…
quant-ph2025
Direct measurement of darkness using a standard single-photon avalanche photodiode
T. H. A. van der Reep, D. Molenaar, W. Löffler
In experiments requiring extreme darkness, such as experiments probing the limits of human vision, assessment of the background photon flux is essential. However, direct measuremen…