US 12,364,055 B2
Efficient and cost-effective photonic cooler based ir filtering for photovoltaics and energy efficiency applications
Mohammad Istiaque Hossain, Doha (QA); and Brahim Aïssa, Doha (QA)
Assigned to HAMAD BIN KHALIFA UNIVERSITY, Doha (QA)
Filed by Qatar Foundation for Education, Science and Community Development, Doha (QA)
Filed on Dec. 29, 2022, as Appl. No. 18/090,968.
Claims priority of provisional application 63/294,652, filed on Dec. 29, 2021.
Prior Publication US 2023/0231061 A1, Jul. 20, 2023
Int. Cl. H10F 77/42 (2025.01); G02B 5/20 (2006.01); G02B 5/26 (2006.01); G02B 5/28 (2006.01); H10F 77/60 (2025.01)
CPC H10F 77/42 (2025.01) [G02B 5/208 (2013.01); G02B 5/26 (2013.01); G02B 5/282 (2013.01); H10F 77/60 (2025.01)] 19 Claims
OG exemplary drawing
 
1. An infrared radiation filter comprising:
a metal layer;
a first metal oxide layer; and
a second metal oxide layer,
wherein the first metal oxide layer is provided between the second metal oxide layer and the metal layer,
wherein the first metal oxide layer is MoOx or NiOx where x is greater than zero.