  The PICOSEC Micromegas detector is a precise-timing gaseous detector based on
a Cherenkov radiator coupled with a semi-transparent photocathode and a
Micromegas amplifying structure, targeting a time resolution of tens of
picoseconds for minimum ionising particles. Initial single-pad prototypes have
demonstrated a time resolution below 25 ps, prompting ongoing developments to
adapt the concept for applications. The achieved performance is being
transferred to robust multi-channel detector modules suitable for large-area
detection systems requiring excellent timing precision. To enhance the
robustness and stability of the PICOSEC Micromegas detector, research on robust
carbon-based photocathodes, including Diamond-Like Carbon (DLC) and Boron
Carbide (B4C), is pursued. Results from prototypes equipped with DLC and B4C
photocathodes exhibited a time resolution of approximately 32 ps and 34.5 ps,
respectively. Efforts dedicated to improve detector robustness and stability
enhance the feasibility of the PICOSEC Micromegas concept for large
experiments, ensuring sustained performance while maintaining excellent timing
precision.
