Journal of Applied Optics, Volume. 44, Issue 3, 476(2023)
Ultraviolet relay optical system with wide spectrum based on diffractive elements
Figures & Tables(15)
Fig. 1. Comparison curves of diffractive efficiency of five diffraction orders
Fig. 8. Diffractive efficiency curves of two combinations double-layer DOE
Fig. 9. Structure diagram of UV optical system with double-layer DOE
Fig. 12. Parametric curves of phase and line frequency of double-layer DOE
Table 1. Design parameters of UV optical system with SLDOE
View tableView in ArticleTable 1. Design parameters of UV optical system with SLDOE
参数 数值 工作波段/nm 230～280 DOE设计波长/nm 250 成像比例 2:1 视场（像高）/mm 20 F数 3 MTF@60 lp·mm−1 >0.4 后工作距/mm >45 石英保护玻璃厚度/mm 5.5 系统总长/mm <200
Table 2. Design parameters of UV optical system with double-layer DOE
View tableView in ArticleTable 2. Design parameters of UV optical system with double-layer DOE
参数 数值 工作波段/nm 200～400 DOE设计波长/nm 215 成像比例 2:1 视场（像高）/mm 20 F数 3.5 MTF@60 lp·mm−1 >0.4 后工作距/mm >45 石英保护玻璃厚度/mm 5.5 系统总长/mm <260
Table 3. Calculation results of different combinations
View tableView in ArticleTable 3. Calculation results of different combinations
组合方式 设计 波长/nm 衍射 级次m1 全波段衍射 效率≥95% PIDE CaF2(+)-SILICA(-) 215 21 是 98.9% SILICA(+)-CaF2 (-) — — 否 — CaF2(+)-MgF2(-) — — 否 — MgF2(+)-CaF2 (-) 330 36 是 98.4% MgF2(+)-SILICA(-) — — 否 — SILICA(+)-MgF2(-) — — 否 —
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Changtian SI, Lei YANG, Chengxiang GUO, Tianyi SHI, Hongbo XIE. Ultraviolet relay optical system with wide spectrum based on diffractive elements[J]. Journal of Applied Optics, 2023, 44(3): 476
Paper Information
Category: Research Articles
Received: May. 19, 2022
Accepted: --
Published Online: Jun. 19, 2023
The Author Email: YANG Lei (yanglei@tju.edu.cn)
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