Journal of Infrared and Millimeter Waves, Volume. 43, Issue 3, 406(2024)
Design and fabrication of an ultra-broadband dichroic beam-splitter with low polarization
This paper describes the design and fabrication of one kind of dichroic beam-splitter that operates in an ultra-broadband spectral range from visible to longwave infrared regions simultaneously. The use of metal-dielectric coatings makes it implement structures that transmit the visible/near infrared radiation from 0.4 to 1.05 μm and reflect infrared radiation from 1.36 to 13 μm. At the same time, the structures are designed to obtain a low linear polarization sensitivity (LPS) in the visible/near infrared region. The transmission of visible/near infrared region is more than 85% and the average reflection of infrared region is more than 90%. The LPS of the region 0.4-1.05 μm is less than 4%.
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Tian-Yan YU, Yang QIN, Lin JIANG, Wei-Bo DUAN, Ding-Quan LIU. Design and fabrication of an ultra-broadband dichroic beam-splitter with low polarization[J]. Journal of Infrared and Millimeter Waves, 2024, 43(3): 406
Category: Research Articles
Received: Dec. 20, 2023
Accepted: --
Published Online: Apr. 29, 2024
The Author Email: Wei-Bo DUAN (duanweibo@mail.sitp.ac.cn)