High refractive index phosphate glass

BG Aitken, L Ma - US Patent 11,919,807, 2024 - Google Patents
Disclosed herein are glasses that present several advantages over traditional glass
compositions used in optical applications. The glasses disclosed herein have a low …

Optical glass, and optical element, cemented lens, optical system, interchangeable lens for camera and optical device using same

T Koide - US Patent 11,724,959, 2023 - Google Patents
An optical glass contains: a P 2 O 5 component of 30 to 60 mass%(exclusive of 30); an Al 2
O 3 component of 2 to 10 mass%(exclusive of 2); a TiO 2 component of 10 to 36 …