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논문 기본 정보

자료유형
학술저널
저자정보
Tien Dung Vu (Seoul National University of Science and Technology) Quang Huy Vu (Seoul National University of Science and Technology) Joohyung Lee (Hanoi University of Science and Technology)
저널정보
한국광학회 Current Optics and Photonics Current Optics and Photonics Vol.7 No.6
발행연도
2023.12
수록면
692 - 700 (9page)

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초록· 키워드

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We present a method for improving the accuracy of the modal wavefront reconstruction in the radial shearing interferometers (RSIs). Our approach involves expanding the reduced radial terms of Zernike polynomials to high-order, which enables more precise reconstruction of the wavefront aberrations with high-spatial frequency. We expanded the reduced polynomials up to infinite order with symbolic variables of the radius, shearing amount, and transformation matrix elements. For the simulation of the modal wavefront reconstruction, we generated a target wavefront subsequently, magnified and measured wavefronts were generated. To validate the effectiveness of the high-order Zernike polynomials, we applied both low- and high-order polynomials to the wavefront reconstruction process. Consequently, the peak-to-valley (PV) and RMS errors notably decreased with values of 0.011λ and 0.001λ, respectively, as the order of the radial Zernike polynomial increased.

목차

Ⅰ. INTRODUCTION
Ⅱ. HIGH-ORDER REDUCED RADIAL ZERNIKE POLYNOMIALS
Ⅲ. RECONSTRUCTION OF WAVEFRONT ABERRATIONS
Ⅳ. RECONSTRUCTION OF WAVEFRONT ABERRATIONS WITH NOISY CONDITION
Ⅴ. CONCLUSION
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