Influence of temperature on the optical system with large diameter off-axis parabolic lenses

Yaru Su; Hao Ruan; Jie Liu

doi:10.1117/12.2248314

12 October 2016 Influence of temperature on the optical system with large diameter off-axis parabolic lenses

Yaru Su, Hao Ruan, Jie Liu

Proceedings Volume 9818, 2016 International Workshop on Information Data Storage and Tenth International Symposium on Optical Storage; 98180Z (2016) https://doi.org/10.1117/12.2248314
Event: 2016 International Workshop on Information Data Storage and Tenth International Symposium on Optical Storage, 2016, Changzhou, China

Abstract

In this work, an optical system with large diameter off-axis parabolic lenses was adopted to achieve diffraction gratings by laser interference exposure. The diffraction wavefront aberration caused by temperature variations was simulated using ZEMAX. Through theoretical analysis and optical simulation, it is proved that the diffraction wavefront aberration of holographic grating caused by the pinhole’s location errors (it is assumed that when the displacement of pinhole exists along one axis, the locations of the pinhole along the other two orthogonal axes are in a state of precise adjustment ) is much larger when the displacement occurs along z axis than along the other two axes, and the diffraction wavefront aberration is the smallest when the displacement occurs along x axis. If the ambient temperature changes by 1 degree, the PV value is 0.0631λ when the location of the pinhole changes by 0.121mm along z axis, 0.0034λor 0.0672λ when the location of the pinhole changes by 0.002mm along x axis or 0.03mm along y axis. To reach the diffraction limit (that means the PV value is 0.25λ), the decentering value of the pinhole along z axis should be less than 0.0341mm. In conclusion, the position error along z axis is an important factor to influence the PV value of diffraction grating, and the effect of temperature on the PV value of diffraction grating can be neglected.

Citation Download Citation

Yaru Su, Hao Ruan, and Jie Liu "Influence of temperature on the optical system with large diameter off-axis parabolic lenses", Proc. SPIE 9818, 2016 International Workshop on Information Data Storage and Tenth International Symposium on Optical Storage, 98180Z (12 October 2016); https://doi.org/10.1117/12.2248314

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KEYWORDS

Diffraction gratings

Diffraction

Lenses

Wavefront aberrations

Temperature metrology

Photovoltaics

Mirrors

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