一种光学构件,其具有:透明基板,所述透明基板含有选自玻璃、玻璃陶瓷、硅和蓝宝石中的至少一种物质,并且具有700nm以上且1800nm以下的波长范围中的透射率为78%以上的区域;和光干涉膜,所述光干涉膜配置在与上述区域对应的透明基板的主面上,其中,将700nm以上且1800nm以下的波长范围中的规定的波长设为波长λs时,在上述的范围中,在入射角为0度以上且60度以下的范围内入射的波长λs的光的透射率具有86.5%以上的最小值、并且具有9%以下的最小值与最大值之差。
An optical member includes a transparent substrate containing at least one substance selected from glass, a glass ceramic, silicon, and sapphire, and having an infrared high-transmittance region in which an optical transmittance is 78% or more in a wavelength band of 700 nm to 1800 nm; and an optical interference film disposed on a main surface of the transparent substrate corresponding to the infrared high-transmittance region, wherein a transmittance of light, of the optical member, of at least one wavelength λs in the wavelength band of 700 nm to 1800 nm in a region of the optical member corresponding to the infrared high-transmittance region of the transparent substrate has a minimum value of 86.5% or more and has a difference between the minimum value and a maximum value of 9% or less in a range where an incidence angle is from 0 degrees to 60 degrees.
光学构件
2023-09-19
Patent
Elektronische Ressource
Chinesisch
IPC: | G02B Optische Elemente, Systeme oder Geräte , OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS / B60J WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES , Fenster, Windschutzscheiben und bewegbare Dächer, Türen oder Ähnliches für Fahrzeuge / C03B Herstellung oder Formgebung von Glas, Mineral- oder Schlackenwolle , MANUFACTURE OR SHAPING OF GLASS, OR OF MINERAL OR SLAG WOOL / C03C Chemische Zusammensetzungen für Gläser, Glasuren oder Emails , CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUS ENAMELS |