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利用薄膜涂层创造光谱选择性光学材料 - China Medical Device Manufacturer
CMDM

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Fri, January 19th, 2018

2007 春季刊 » 技术新知
利用薄膜涂层创造光谱选择性光学材料

位于美国加州的Deposition Sciences公司(www.depsci.com)开发的二色混合涂层对某些波长的光具有很高的反射性,而对其余波长的光谱则反射性很低。据称,HeatBuster光谱金属涂层兼具玻璃镜的优点和金属板材制品节约成本和耐用的特点。

这项技术的基础材料为高度抛光的不锈钢。首先将“暗镜”涂层涂布在基质上,基质可将不需要的波长吸收在金属内。然后将反光性强的二色涂层涂布在暗镜上。

对于弧形光学部件,可在涂层前通过标准金属板材加工技术进行成型。产品可加工成长槽形反射镜并通过激光切割成所需长度。此外,也可先在板材上涂层,然后通过激光切割成简单或复杂的形状。

均匀涂层在温度和湿度变化时可保持稳定,符合Mil-C-675标准的剧烈磨损、粘附、潮湿和盐雾试验要求。可用于医疗系统、数字成像和便携式光学系统等领域。


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