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ICOP & ICPET 2017, 23 - : 881-884 Back to browse issues page
Design and fabrication of multi-layer beamsplitter coating in 3.5-5 µm & 8-12 µm wavelength regions
Mohadeseh Akouchakiyan * 1, Mohammad Jannesari , Hossein Ahmadvand
Abstract:   (840 Views)

In this research we report the design and fabrication of multi-layers beamsplitter coating in  3.5-5µm & 8-12µm wavelength regions. These multi-layer coated optics can be used to separate 3.5-5µm  (in reflection channel)­­ and 8-12µm (in transmission channel) wavelength regions .The coating material combination used on Ge substrate was Ge as high index material and IR-F625 as high index material . Deposition was performed by physical vapor deposition (PVD) technique in a vacuum chamber by using electron gun and thermal boat. Quartz crystal was used for thickness control .Result achieve was 93.6% average reflection in 3.5-5µm region and 96.1% average transmission in 8-12 µm

Keywords: multi-layer beamsplitter coating, physical vapor deposition (PVD)
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Type of Study: Research | Subject: Special
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akouchakiyan M, Jannesari M, Ahmadvand H. Design and fabrication of multi-layer beamsplitter coating in 3.5-5 µm & 8-12 µm wavelength regions. ICOP & ICPET. 2017; 23 :881-884
URL: http://opsi.ir/article-1-1281-en.html


Volume 23 - Back to browse issues page
انجمن اپتیک و فوتونیک ایران Optics and Photonics Society of Iran
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