Infrared and Laser Engineering, Volume. 52, Issue 1, 20220374(2023)
Buchdahl model of achromatic method for unfocused systems
Figures & Tables(8)
Fig. 2. Chromatic aberration diagram of initial structure of the unfocused system. (a) Longitudinal aberration; (b) Chromatic focal shift
Fig. 3. Dispersion vector diagram of the initial structure of the unfocused system
Fig. 4. Dispersion vector diagram after optimization of unfocused system
Fig. 5. Chromatic aberration diagram after optimization of the unfocused system. (a) Longitudinal aberration; (b) Chromatic focal shift
Table 1. Initial structure ray tracing parameters and dispersion coefficients of the unfocused system
View tableView in ArticleTable 1. Initial structure ray tracing parameters and dispersion coefficients of the unfocused system
Glass 1 2 3 4 5 6 7 SILICA CAF2 H-ZF71 H-ZPK7 H-K90GTI H-ZF73 H-ZLAF68C φi yi αi η1 η2 0.00053 95.00 0.6277 −0.03602 −0.02131 0.00432 56.8459 1.8316 −0.02243 −0.00492 −0.00485 49.1365 −1.5373 −0.07723 0.00829 0.00681 47.3583 2.0058 −0.02944 −0.00568 −0.00944 38.6722 −1.8524 −0.03659 −0.01704 0.00910 26.5958 0.8449 −0.09580 0.01795 −0.02417 17.0330 −0.9203 −0.04770 −0.00156
Table 2. Ray tracing parameters and dispersion coefficient after optimization of unfocused system
View tableView in ArticleTable 2. Ray tracing parameters and dispersion coefficient after optimization of unfocused system
Glass 1 2 3 4 5 6 7 H-K9L H-FK61 H-ZF71 H-ZPK7 H-QK3L H-ZF73 H-ZLAF68C φi yi αi η1 η2 0.00054 95.00 0.5276 −0.03623 −0.01735 0.00460 55.7064 1.5488 −0.02691 −0.00845 −0.00484 52.2936 −1.4353 −0.07723 0.00829 0.00717 48.6852 1.8429 −0.02944 −0.00568 −0.00830 41.6452 −1.5618 −0.03436 −0.01972 0.00830 28.0373 0.7074 −0.09580 0.01795 −0.02546 15.0993 −0.6296 −0.04770 −0.00156
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Jicheng Zhang, Yuegang Fu, Yuan Hu, Weiqi Liu. Buchdahl model of achromatic method for unfocused systems[J]. Infrared and Laser Engineering, 2023, 52(1): 20220374
Paper Information
Category: Optical design
Received: May. 31, 2022
Accepted: --
Published Online: Feb. 9, 2023
The Author Email: Fu Yuegang (fuyg@cust.edu.cn)
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