Journal of Applied Optics, Volume. 42, Issue 5, 761(2021)
Design of UV optical system with wide ultraviolet spectrum and large relative aperture
Figures & Tables(9)
Fig. 1. Optical structure of UV optical system with wide UV spectrum and large relative aperture
Fig. 4. Lateral color aberration of UV optical system with wide UV spectrum
Fig. 5. Distortion and relative illumination of UV optical system with wide UV spectrum
Table 1. Design parameters of UV optical system with wide UV spectrum
View tableView in ArticleTable 1. Design parameters of UV optical system with wide UV spectrum
Parameters Value Working wavelength / nm 240～360 Effective focal length / mm 100 Relative aperture 1/2.5 Full field of view / (°) > 11.0 Total length / mm ≤ 150 RMS radius of spot diagram / μm < 10 MTF at 50 lp·mm−1 > 0.4 Lateral color aberration / μm < 10 Maximum distortion / % < 2 Relative illumination / % > 90
Table 2. Comparison of design results of several UV optical systems
View tableView in ArticleTable 2. Comparison of design results of several UV optical systems
Time 2020[our] 2016[ 12 ]2017[ 13 ]2020[ 16 ]Note: EFL is effective focal length; FOV is field of view; RMS is root mean square; MTF is modulation transfer function. Design results Working wavelength / nm 240～360 270～360 240～280 230～270 EFL / mm 100 25 160 110 F# 2.5 2 3.5 3.5 FOV / (°) 11.34 40 8 20 Color aberration / μm < 10 < 30 − − RMS radius / μm < 10 < 11 < 8 < 13 MTF @lp·mm−1 >0.4 @ 50 >0.6 @ 40 >0.8 @ 20 >0.6 @ 18.5 Relative illumination / % > 95 > 60 > 70 −
Table 3. Tolerance settings of system components
View tableView in ArticleTable 3. Tolerance settings of system components
Tolerance items Value Radius / mm ±0.02 Thickness / mm ±0.02 Surface irregularity / fringes 2 Decenter X / mm ±0.02 Decenter Y /mm ±0.02 Tilt X / (°) ±0.02 Tilt Y / (°) ±0.02
Table 4. Tolerance effects of system sensitive elements
View tableView in ArticleTable 4. Tolerance effects of system sensitive elements
Type Value Criterion Change TSDX 2 −0.02 0.425 −0.056 TSDX 2 0.02 0.425 −0.056 TSDY 2 −0.02 0.425 −0.056 TSDY 2 0.02 0.425 −0.056 TEDX 7 8 −0.02 0.437 −0.045 TEDX 7 8 0.02 0.437 −0.045 TEDY 7 8 −0.02 0.437 −0.045 TEDY 7 8 0.02 0.437 −0.045 TTHI 7 8 0.02 0.438 −0.043
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Jingfei YE, Runhui ZHU, Mengcong MA, Tianyu DING, Zhenzhen SONG, Zhaolou CAO. Design of UV optical system with wide ultraviolet spectrum and large relative aperture[J]. Journal of Applied Optics, 2021, 42(5): 761
Paper Information
Category: OE SYSTEM AND ENGINEERING
Received: Dec. 15, 2020
Accepted: --
Published Online: Sep. 23, 2021
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