Arbitrary multi-site two-photon excitation in four dimensions

Arbitrary shape surface Fresnel diffraction

Arbitrary-order non-linear contribution to self-steepening

Arc-second alignment and bonding of International X-Ray Observatory mirror segments

Archenhold occultation summary. I - First results

ARCHEOPS: a balloon experiment for measuring the cosmic microwave background anisotropies

Architecture of the FIRST telescope

Architecture of the MAD real time computer

Architectures for space astronomical telescopes using Fresnel optics

Archive systems for the TNG telescope: lessons learned in the VO perspective

Are All ``Transition Disks'' Circumbinary?

Are fast atmospheric pulsations optical signatures of lightning-induced electron precipitation?

Are opthalmic hydrophobic coatings useful for astronomical optics?

Are photon momenta in left-handed materials reversed?

Argon in the Martian atmosphere - Do the results of Mars 6 agree with the optical and radio occultation measurements

ARGOS: a laser star constellation for the LBT

ARGOS: the laser guide star system for the LBT

Argus phase II optical data collection system

ARNICA: the Arcetri Observatory NICMOS3 imaging camera

Array of Brewster telescopes