Patent ID: 8218220
Filing Date: 2012-07-10
Classification: G01J,H04N

Abstract:
1. A detection device, comprising: a structure comprising an entrance that permits radiation to enter the structure; a radiation detector operable to detect radiation that enters the structure; a microshutter array coupled to the structure and aligned with the entrance, the array comprising a plurality of microshutter cells, wherein each microshutter cell is operable to move between a first position in which that microshutter cell prevents radiation of a at least a first wavelength from passing through a portion of the entrance and a second position in which that microshutter cell permits the radiation of at least the first wavelength to pass through the portion of the entrance; and an actuating device operable to define a first entrance pupil having a first f-number by moving a plurality of microshutter cells associated with the first f-number between positions.