Infrared and Laser Engineering, Volume. 51, Issue 3, 20210173(2022)
Initial structure solution of Cassegrain type transceiver optical antenna for laser communication and imaging
Figures & Tables(5)
Fig. 2. Relationship between aperture beam ratio
Fig. 3. Relationship between gain factor and aperture beam ratio with occlusion ratio 增益因子 随孔径光束比 和遮挡比 变化关系
Table 1. Aspheric coefficients of mirrors for various optical systems
View tableView in ArticleTable 1. Aspheric coefficients of mirrors for various optical systems
Type of optical system Cassegrain Dall-kirkham Pressmann-Camichel Ritchey-chretien Aspheric coefficient (k1) −1.000 000 −0.597 652 0.000 000 −0.905 390 Aspheric coefficient (k2) −3.495 274 0.000 000 5.191 917 −4.317 169
Table 2. Optimization results of optical structure parameters
View tableView in ArticleTable 2. Optimization results of optical structure parameters
Type of optical system Cassegrain Dall-kirkham Pressmann-Camichel Ritchey-chretien R1/mm −909.090 910 −909.090 903 −938.599 510 −909.090 909 R2/mm −443.478 261 −443.478 276 −455.281 951 −443.756 312 d 299.999 999 299.999 992 312.880 016 299.903 103 k1 −1.000 000 −0.597 777 0 −1.092 489 k2 −3.495 274 0 5.602 234 −4.298 315 β −3.300 000 −3.300 000 −3.196 251 −3.300 000 α 0.340 703 0.339 795 0.331 827 0.341 195
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Yulin Mao, Shijiang Shu, Yanfeng Wu, Guoliang Zhang, Xiao Ma, Xiaodong Ren. Initial structure solution of Cassegrain type transceiver optical antenna for laser communication and imaging[J]. Infrared and Laser Engineering, 2022, 51(3): 20210173
Paper Information
Category: Optical communication and sensing
Received: Mar. 12, 2021
Accepted: --
Published Online: Apr. 8, 2022
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