US 12,292,260 B2
Reflector device and system for selective reflection of electromagnetic radiation
Per Cederwall, Kullavik (SE); and Stefan Andersson, Mullsjoe (SE)
Assigned to SAAB AB, Linkoeping (SE)
Appl. No. 17/309,547
Filed by SAAB AB, Linkoeping (SE)
PCT Filed Dec. 13, 2018, PCT No. PCT/SE2018/051307
§ 371(c)(1), (2) Date Jun. 4, 2021,
PCT Pub. No. WO2020/122777, PCT Pub. Date Jun. 18, 2020.
Prior Publication US 2022/0026177 A1, Jan. 27, 2022
Int. Cl. G02B 5/12 (2006.01); F41G 3/26 (2006.01); F41J 2/00 (2006.01); G01S 13/75 (2006.01); G01S 17/02 (2020.01)
CPC F41G 3/2655 (2013.01) [F41G 3/2688 (2013.01); F41J 2/00 (2013.01); G01S 13/75 (2013.01); G01S 17/02 (2013.01); G02B 5/12 (2013.01)] 42 Claims
OG exemplary drawing
 
1. A reflector (100) comprising a reflector element (120) having a hollow structure and a front opening, the hollow structure and the front opening of the reflector element together defining a reflector cavity (110),
wherein:
the reflector is configured to received electromagnetic radiation (EMR) into the reflector cavity (110) via the front opening, for subsequent reflection of the EMR by the reflector element (120),
the reflector further comprises a front cover (130) which is EMR transmissive in at least parts of the EM spectrum, the front cover (130) being arranged to cover the front opening of the reflector cavity (110) at the reflector element (120), and
the front cover (130) and the reflector element (120) form a gastight seal (140) to prevent transport of material into and out of the reflector cavity (110) through the front opening.