临床化学分析仪红外截止滤光片
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“临床化学分析仪红外截止滤光片”参数说明
| 是否有现货: | 否 | 品牌: | 其它 |
| 加工定制: | 是 | 形状: | 圆形 |
| 类型: | 薄膜滤光片 | 材质: | 玻璃 |
| 原理: | 截止型滤光片 | 颜色: | 根据波段不同颜色不同 |
| 尺寸: | 6mm-50mm | 厚度范围: | 2-4mm |
| 主要用途: | 光学仪器 | 型号: | - |
| 规格: | 标准 | 商标: | Yutai |
| 包装: | 标准 | 专利分类: | - |
| 专利号: | - | 带宽: | 10nm-40nm |
| 崩边: | <0.5mm | 中心波长: | 460nm,535nm,590nm,620nm,365nm,420nm,470nm,525nm, 5 |
| 直径公差: | +/-0.5mm | 透过率: | T>75% /45% /35% |
| 表面质量: | 80/50 | 通光孔径: | >90% |
| 材料: | 光学玻璃 | 产量: | 999999 |
“临床化学分析仪红外截止滤光片”详细介绍
红外截止滤光片(Infrared Cut-off Filter,简称IR Cut Filter)是一种光学元件,主要用于阻挡红外光(波长通常大于700nm)而允许可见光(约400-700nm)通过。它在现代成像系统中应用广泛,尤其在数码相机、智能手机摄像头、安防监控等领域至关重要。
核心功能
阻挡红外光:
自然光和人造光源中常包含可见光和红外光。但图像传感器(如CMOS/CCD)对红外光敏感,若不滤除,会导致色彩失真(如红色偏重、对比度下降)。
提升色彩还原度:
通过 过滤红外波段,确保传感器仅接收可见光,使成像颜色 接近人眼所见。
红外截止滤光片的工作原理是什么?
光谱选择性:
滤光片通过特殊镀膜或材料设计,在可见光波段(400-700nm)保持高透射率(>90%),而在红外波段(如700-1200nm)透射率急剧下降(<5%)。
反射或吸收红外光:
部分滤光片通过多层干涉膜反射红外光,另一些则通过吸收性材料(如蓝玻璃)实现。
如何区分真假红外截止滤光片?
用红外遥控器测试: 滤光片会阻挡遥控器的红外信号(手机摄像头无法看到遥控器发光)。

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