Fast and precise spatial-carrier phase-shifting algorithm with the matrix VU factorization

Zhang, Hangying; Zhao, Hong; Zhao, Zixin

doi:10.1117/1.oe.59.6.064108

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Cited by 5 publications

References 21 publications

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A review for three-step phase-shifting algorithms

Zhang,

Liu,

Zhou

et al. 2025

Optics and Lasers in Engineering

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A review for three-step phase-shifting algorithms

Zhang,

Liu,

Zhou

et al. 2025

Optics and Lasers in Engineering

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Robust and efficient calibration method of liquid-crystal spatial light modulator based on the linear combination strategy

Li,

Fan,

et al. 2024

Meas. Sci. Technol.

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Phase-only spatial light modulators (SLMs) play a vital role in virous fields. However, its modulation accuracy is compromised by the static aberration and the phase response nonlinearity. To enhance the modulation accuracy, this paper presents an innovative full calibration method for SLMs, effectively addressing both static aberration and nonlinear phase responses using only two shots of camera. The main highlight of this paper is the binding of a novel linear combination strategy and a unique kinoform. This binding can eliminate phase distortion between two shots of camera, making our method dramatically robust in correcting phase response nonlinearity. Additionally, benefit from the accurate correction of phase response nonlinearity, the static aberration is accurately compensated by the single-shot spatial carrier phase-shifting technology. In conclusion, the proposed method's strong robustness, precision, and efficiency position it as an ideal solution for SLM calibration.

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