LUO, Chunhua; ZHANG, He; LI, Yanhong. Design of belt-type Fresnel lens with image surface of uniform illuminance. Journal of Applied Optics, [S. l.], v. 39, n. 1, p. 7–11, 2018. Disponível em: https://appliedopticsjournal.net/index.php/JAO/article/view/2. Acesso em: 29 jan. 2026.