Unobscured Type 2 Active Galactic Nuclei
Fast folded wide angle large reflective unobscured system
Obscured and unobscured AGN populations in a hard-X-ray selected sample of the XMDS survey
Two-mirror unobscured optical system for reshaping the irradiance distribution of a laser beam
Obscured and unobscured active galactic nuclei in the Spitzer Space Telescope First Look Survey
Compact, folded wide-angle large reflective unobscured optical system
Distortion correction of all-reflective unobscured optical-power zoom objective
Locating a field of view in which selected IC conductors are unobscured
Computer-Aided Alignment Of A Wide-Field, Three-Mirror, Unobscured, High-Resolution Sensor
Measuring the Fraction of Obscured Quasars by the Infrared Luminosity of Unobscured Quasars