Array receiver development at KOSMA for the submillimeter and terahertz spectral range

Arrayed and checkerboard optical waveguides controlled by the electromagnetically-induced transparency

Arrays of Ag split-ring resonators coupled to InGaAs single-quantum-well gain

Artificial auroras in the upper atmosphere. II - Imaging results

Artificial intelligence system and optimized modal control for the ADONIS adaptive optics instrument

Artificial magnetism and left handed media from dielectric rings and rods

Artificial neural network for the determination of Hubble Space Telescope aberration from stellar images

ASCA Observations of X-ray Binaries

Aspects of the Optomechanical Design of the Forthcoming 1.4m TCC Reflector

Aspheric concave grating spectrographs

Aspheric mirror with constant angular magnification

Aspheric mirror with constant angular magnification II

Aspheric potpourri

Aspheric surface figuring of fused silica using plasma-assisted chemical etching

Aspheric surface figuring of silicon using plasma-assisted chemical etching

Aspherical imaging multilayer mirrors with subarcsecond resolution for solar XUV telescopes

Aspherical mirror testing using the CGH with small errors

Aspherical surface testing by using spherical compensation

Aspherical wavefront measurements: Shack-Hartmann numerical and practical experiments

ASPIICS, a giant externally occulted coronagraph for the PROBA-3 formation flying mission