SELEX SENSORS & AIRBORNE SYSTEMS LIMITED Patent applications |
Patent application number | Title | Published |
20110079721 | APERTURE ARRANGEMENT - An aperture arrangement is disclosed, such as an aperture arrangement suitable for use with a dual wavelength infrared detector. A detector is disclosed which includes a casing; an aperture defined in one end of the casing; and a filter having an inner region and an outer region substantially (e.g., greater than 50%) covering the aperture; wherein the outer region of the filter transmits radiation within a first range of wavelengths and reflects radiation within a second range of wavelengths. | 04-07-2011 |
20100079851 | OPTICAL PARAMETRIC OSCILLATOR - The present invention relates to an optical parametric oscillator. In particular, the present invention relates to a more optimal rotating image optical parametric oscillator. More specifically, there is described an optical parametric oscillator comprising six mirrored surfaces; wherein two of the mirrored surfaces are provided by a penta prism and the sequence of mirrors is operable to provide a predetermined rotation of a beam passing therethrough. | 04-01-2010 |
20080272227 | Target tracking device and method - A target tracking device incorporating a Position Sensitive Detector (PSD) | 11-06-2008 |