Chinese Optics Letters, Volume. 16, Issue 3, 032201(2018)
Useful way to compensate for intrinsic birefringence caused by calcium fluoride in optical lithography systems
Fig. 1. OZP terms arranged according to the
Fig. 2. Flow chart of PSO rotation.
Fig. 3. Layout of a patent lithographic lens.
Fig. 4. Convergence curve of PSO rotation.
Fig. 5. Retardation pupil maps (a) before and (b) after PSO rotation.
Fig. 6. OZP coefficients of retardation before and after PSO rotation.
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Zelong Zhou, Hongbo Shang, Yongxin Sui, Huaijiang Yang. Useful way to compensate for intrinsic birefringence caused by calcium fluoride in optical lithography systems[J]. Chinese Optics Letters, 2018, 16(3): 032201
Category: Optical Design and Fabrication
Received: Oct. 11, 2017
Accepted: Jan. 4, 2018
Published Online: Jul. 13, 2018
The Author Email: Zelong Zhou (zhouxmq@163.com)