Near-infrared narrow-band optical filter adopting AR film layer

The utility model discloses a near-infrared narrow-band optical filter employing an AR film layer, comprising a lens substrate, the top of the lens substrate is covered with an AR layer, the AR layer comprises a first transmission layer, the top of the first transmission layer is covered with a seco...

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Bibliographic Details
Main Authors GONG ZHENGHONG, MA ZHIFU
Format Patent
LanguageChinese
English
Published 02.04.2024
Subjects
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PHYSICS
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Summary:The utility model discloses a near-infrared narrow-band optical filter employing an AR film layer, comprising a lens substrate, the top of the lens substrate is covered with an AR layer, the AR layer comprises a first transmission layer, the top of the first transmission layer is covered with a second transmission layer, the top of the second transmission layer is covered with a high-temperature-resistant layer, the high-temperature-resistant layer comprises a first heat-resistant layer, and the first heat-resistant layer is covered with a second heat-resistant layer. The top of the first heat-resistant layer is covered with a second heat-resistant layer, the top of the second heat-resistant layer is covered with a third heat-resistant layer, the top of the third heat-resistant layer is covered with a fourth heat-resistant layer, and the top of the fourth heat-resistant layer is covered with a reinforcing layer. According to the utility model, the first transmission layer and the second transmission layer are
Bibliography:Application Number: CN202322256799U