Abstract: A filter assembly comprises a planar first optical filter, a planar second optical filter, a frame-shaped base part for accommodating the first and second optical filters, wherein the base part comprises a support part for supporting edge portions of lower surfaces of the first and second optical filters, and a wall part for laterally enclosing at least part of the first and second optical filters, and one or more clamp parts for securing the first and second optical filters against the base part when the first and second optical filters are inserted into the base part, by contacting upper surfaces of the first and second optical filters and pressing the first and second optical filters towards the support part. The disclosure further relates to a method of manufacturing such filter assembly.

Abstract: This application relates to an infrared (IR) sensor assembly for use in a satellite. The assembly includes an IR sensor, wherein the IR sensor comprises a substantially plane front surface with a window portion, the window portion covering an active area of the IR sensor, one or more planar optical filters, and an adhesive tape provided on the front surface outside of the window portion, the adhesive tape at least partially surrounding the window portion. The one or more planar optical filters are arranged to cover at least part of the window portion, with at least part of each planar optical filter resting on the adhesive tape. The application further relates to a method of manufacturing such IR sensor assembly.

Abstract: A filter assembly comprises a planar first optical filter, a planar second optical filter, a frame-shaped base part for accommodating the first and second optical filters, wherein the base part comprises a support part for supporting edge portions of lower surfaces of the first and second optical filters, and a wall part for laterally enclosing at least part of the first and second optical filters, and one or more clamp parts for securing the first and second optical filters against the base part when the first and second optical filters are inserted into the base part, by contacting upper surfaces of the first and second optical filters and pressing the first and second optical filters towards the support part. The disclosure further relates to a method of manufacturing such filter assembly.