用二氧化钛、二氧化硅和氟化镁膜料镀制0.4μm~1.1μm超宽带增透膜

谭宇;梁宏军;刘永强;赵兴梅

应用光学 ›› 2007, Vol. 28 ›› Issue (5) : 623-626.

应用光学 ›› 2007, Vol. 28 ›› Issue (5) : 623-626.

用二氧化钛、二氧化硅和氟化镁膜料镀制0.4μm~1.1μm超宽带增透膜

  • 谭宇1, 梁宏军2, 刘永强1, 赵兴梅1
作者信息 +

0.4μm~1.1μm AR film prepared with TiO2, SiO2 and MgF2

  • TAN Yu1, LIANG Hong-jun2, LIU Yong-qiang1, ZHAO Xing-mei1
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摘要

对0.4μm~1.1μm超宽带增透膜的镀制工艺进行了研究。根据长期从事该工作的经验和对膜料性能的研究,结合国产设备的实际情况,在膜料的选取上主要考虑其透明光谱区域、折射率、材料的蒸发方式、机械特性、化学稳定性及抗高能辐射等因素;最终选择用二氧化钛、二氧化硅和氟化镁3种常用膜料镀制0.4μm~1.1μm超宽带增透膜。涉及该膜系的膜层共有8层,结构为:|玻璃|H|M|H|M|H|M|H|L|空气|。制作工艺方便简单、稳定,制做的膜层具有较好的光谱和机械性能,满足光电仪器实际使用要求。

Abstract

The coating techniques for preparing 0.4μm~1.1μm wide spectral AR film made up of TiO2, SiO2 and MgF2 are discussed. Some factors such as the spectral transmittance range, refractive index, vaporous mode, mechanical properties, chemical stability and anti radiation were considered in the selection of filmmaterials. TiO2, SiO2 and MgF2 film-materials were adopted for the preparation of AR film operating at wide spectrum of 0.4μm~1.1μm according to the experience of multilayer design, the understanding of film-material performance and the performance of the domestic equipments. The film structure is GHMHMHMHLA. This technique is convenient and robust. The film has good spectral and mechanical performance, and it meets the operational requirement of electro-optical system.

关键词

膜层折射率 / 宽光谱 / 镀膜材料 / 膜厚

Key words

refractive index of layer / film thickness / film material / wide spectrum

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谭宇, 梁宏军, 刘永强, 赵兴梅. 用二氧化钛、二氧化硅和氟化镁膜料镀制0.4μm~1.1μm超宽带增透膜. 应用光学. 2007, 28(5): 623-626
TAN Yu, LIANG Hong-jun, LIU Yong-qiang, ZHAO Xing-mei. 0.4μm~1.1μm AR film prepared with TiO2, SiO2 and MgF2. Journal of Applied Optics. 2007, 28(5): 623-626

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