The lunar surface allows a unique way forward in cosmology, to go beyond current limits.
The far side provides an unexcelled radio-quiet environment for probing the dark ages via …

The Pyramidic wavefront has a very interesting property: its SNR has a significant increase
once the loop is closed, similarly to the Curvature Sensor and contrasting with the Shack …

The discovery of the first extra-solar planet surrounding a main-sequence star was
announced in 1995, based on very precise radial velocity (Doppler) measurements. A total …

Adaptive-optics systems can in principle allow a telescope to achieve performance at its
theoretical maximum (limited only by diffraction), by correcting in real time for the distortion of …

This article presents an in-depth analysis of the current status of glass-ceramics in
piezocatalysis and proposes potential avenues for future research in this field. Glass …

Adaptive Optics (AO) has become a key technology for the largest ground-based telescopes
currently under, or close to beginning of, construction. AO is an indispensable component …

Glasses can be engineered with a wide range of properties and in a variety of forms that
make them important materials for current and emerging energy and environmental …

Multi-Conjugate Adaptive Optics (MCAO) is working on the principle to perform wide field of
view atmospheric turbulence correction using many Guide Stars located in and/or …

Dark matter comprises the bulk of the matter in the Universe, but its particle nature and
cosmological origin remain mysterious. Knowledge of the dark matter density distribution in …

We have developed and tested extensively three different methods for phasing the primary
mirror segments of the Keck telescopes. Two of these, referred to as the broadband and …