F41G7/224

OPTICAL DETECTION SYSTEM AND METHOD FOR DETECTING A HOSTILE OPTICAL COMPONENT
20230076107 · 2023-03-09 ·

An optical detection system for detecting a hostile optical component without exposing the surrounding to unnecessary hazards is disclosed. The system comprises a laser unit configured to provide an adjustable laser beam along an optical path to scan for the optic component or to act as jammer by providing a target spoofing; a single aperture for the optical path; a detector configured to detect through the single aperture retroreflections of the laser beam at the optical component; and a camera for detecting through the single aperture potential candidates for the hostile optical component.

Method Of Identifying An Object Signature In An Environment And System For Identifying An Object Signature In An Environment

A method of identifying an object signature in an environment includes acquiring infrared information from the environment using a detection unit in order to obtain an infrared wavelength spectrum associated with the environment. The method further includes selecting three wavelength bands of the infrared wavelength spectrum using a filtering unit and detecting a presence of the three wavelength bands of the infrared wavelength spectrum in the environment by filtering the selected three wavelength bands using the filtering unit. The method further includes determining an intensity indicator for the three selected wavelength bands using a processing unit and classifying the object signature using the processing unit based on the determined intensity indicator in order to identify the object signature.

SYSTEM AND METHOD FOR CORRECTING FOR ATMOSPHERIC JITTER AND HIGH ENERGY LASER BROADBAND INTERFERENCE USING FAST STEERING MIRRORS
20230161172 · 2023-05-25 ·

A system includes a high energy laser (HEL) configured to transmit a HEL beam and a beacon illumination laser (BIL) configured to transmit a BIL beam. The system also includes at least one fast steering mirror (FSM) configured to steer the BIL beam to be offset from the HEL beam. The system further includes at least one Coudé path FSM configured to correct for atmospheric jitter of the HEL beam and the BIL beam while maintaining the offset of the BIL beam from the HEL beam.

Aerothermal ring structures providing RF isolation

A heat dissipation structure is disclosed that is especially well-suited for use on aerodynamic systems. The heat dissipation structure is formed within a metallic body that surrounds the heat-generating electronics. The heat dissipation structure is designed to both dissipate the generated heat and also to isolate RF cross-talk between the one or more transmitters and receivers. The heat dissipation structure includes a plurality of ring structures that extend around at least a portion of a body that houses the one or more heat-generating electrical components. The plurality of ring structures may be recessed into the body, and a first spacing between a first adjacent pair of ring structures of the plurality of ring structures is different from a second spacing between a second adjacent pair of ring structures of the plurality of ring structures.

LASER SOURCE ASSEMBLY WITH THERMAL CONTROL AND MECHANICALLY STABLE MOUNTING

A laser source (340) that generates an output beam (354) that is directed along a beam axis (354A) that is coaxial with a first axis and orthogonal to a second axis comprises a first frame (356), a laser (358), and a first mounting assembly (360). The laser (358) generates the output beam (354) that is directed along the beam axis (354A). The first mounting assembly (360) couples the laser (358) to the first frame (356). The first mounting assembly (360) allows the laser (358) to expand and contract relative to the first frame (356) along the first axis and along the second axis, while maintaining alignment of the output beam (354) so the beam axis (354A) is substantially coaxial with the first axis. The first mounting assembly (360) can include a first fastener assembly (366) that couples the laser (358) to the first frame (356), and a first alignment assembly (368) that maintains alignment of the laser (358) along a first alignment axis (370) that is substantially parallel to the first axis.

HYPER HEMISPHERE UNITARY DOME FOR A DEFENSIVE INFRARED COUNTERMEASURE SYSTEM

A counter measure system is provided having a unitary infrared transparent dome including a look angle greater than 180. The dome has two hemispherical regions, with a second region having a truncated bottom end defining an opening to a central cavity inside which electro-optical elements are disposed. The electro-optical elements can view outward through the dome at the look angle. The second region on the dome has a complementary curvature as the first region by continuing a similar radius beyond a transverse horizontal axis or equator. The dome is mounted to a base, which also may be referred to as a bezel. The base defines a rabbet extending circumferentially about the base imaginary center defining an aperture. The base and the dome are formed from different materials but have equivalent coefficients of thermal expansion. In one embodiment the dome if formed from sapphire and the base is titanium.

Optronic device
09835420 · 2017-12-05 · ·

The invention relates to an optronic device (16) capable of emitting a plurality of wavelengths comprising: an observation camera (24), and a laser unit (26) for each wavelength of the plurality of wavelengths, wherein each laser unit (26) comprises a laser source (36) capable of emitting a laser beam at the wavelength and an optical system (38) having a maximal transmission coefficient for the wavelength.

METHOD AND APPARATUS FOR DETECTING AIRBORNE OBJECTS
20170343664 · 2017-11-30 ·

Provided is an apparatus for detecting airborne objects comprising a kill vehicle bus having a radar sensor. The radar sensor may be an interferometric sensor comprising a plurality of transmit-receive arrays. Each of the transmit-receive arrays may be adapted to be stowed in a stowed position in or on the kill vehicle bus, and may be adapted to be expandable from the stowed position to an operable position.

SYSTEM AND METHOD FOR INTERCEPTION AND COUNTERING UNMANNED AERIAL VEHICLES (UAVS)
20230168675 · 2023-06-01 ·

Systems, devices, and methods for identifying a target aerial vehicle, deploying an interceptor aerial vehicle comprising at least one effector, maneuvering the interceptor aerial vehicle to a position to engage a target aerial vehicle, deploying the at least one effector to intercept the target aerial vehicle, and confirming that the target aerial vehicle has been intercepted.

Non-adjustable pointer-tracker gimbal used for directed infrared countermeasures systems

In a directed infrared countermeasure system, to assure parallelism between the line-of-sight to a target and the output beam, the input and output mirrors are fixedly attached to a uni-construction arm mounted to a rotatable azimuth platter to which internal mirrors are also fixedly attached. A system is provided for zeroing out alignment errors by developing an aim-point map for the gimbal that records initial alignment errors induced by manufacturing tolerances and uses the aim-point map error values to correct the output mirror orientation. The system also corrects for alignment errors induced by thermal gradients.