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使用边缘涂黑滤光片的 5 个原因

2023年11月23日 作者: IDEX Health & Science

Edge Blackened Optical Filters - now available for high volume and smaller orders

使用边缘涂黑滤光片的 5 个原因

边缘涂黑是在滤光片的边缘上使用一种无光泽的黑色涂料,以减少滤光片内的杂散光重新进入滤光片外的光通道。我们现有的和新的边缘涂黑功能现在可以用于大批量和小订单的目录和定制滤光片。

2023年新增: 机器打印边缘涂黑能力(见上图,10 片起订)

为什么使用边缘涂黑?

理想的滤光片安装是一个金属外壳,可用于标准尺寸的圆形 SemrockTM 滤光片。这种外壳的目的是减少光绕过滤光片的边缘,或通过边缘进入或离开滤光片。然而,金属外壳并不总是实用或可用的;例如,没有标准的金属外壳可用于矩形的 Semrock 滤光片。

用合适的黑色涂料进行边缘变黑,是金属外框的一种可接受的替代办法,大多数 Semrock 滤光片都可以使用。使用吸收光的涂料,Semrock 滤光片边缘涂黑过程精确地覆盖边缘与扩散反射,以减少杂散光通过滤光片的边缘。使用机器打印边缘涂黑,滤光片的边缘可以用文本或彩色点标识来识别。

使用边缘涂黑滤光片的 5 个原因

  • 哑光黑色表面,阻挡滤光片内部的杂散光重新进入滤光片外部的光路
  • 易于识别的滤光片,加快装配过程
  • 减少客户对质量控制的需求
  • 用彩色文本或圆点标记滤光片的边缘,以便识别
  • 可用于大批量和小订单的目录和定制滤光片

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