A novel method for generating  linear  structured illumination using phase modulation

Xianlin Song; Jianshuang Wei; Lingfang Song

doi:10.1117/12.2581288

22 February 2021 A novel method for generating linear structured illumination using phase modulation

Xianlin Song, Jianshuang Wei, Lingfang Song

Proceedings Volume 11610, Novel Patterning Technologies 2021; 116100V (2021) https://doi.org/10.1117/12.2581288
Event: SPIE Advanced Lithography, 2021, Online Only

Abstract

Axial cosinoidal structured illumination that the intensity along the axis presents a cosinoidal distribution plays important role in many fields, such as optical tweezers, optical micromanipulation and optical modulation. However, the generation of axial cosinoidal structured illumination with controllable phase and period is a challenge. Here, we propose a novel method for generating axial cosinoidal structured illumination by using phase-only spatial light modulator. We implemented axial cosinoidal structured illumination using holographic technique. The computer generates two concentric circular slits with different radius, a prism phase is applied on the slits to tilts the beam that incidents on the slits away from the optical axis. Different annular beam produce Bessel beams with different axial wave vectors, axial cosinoidal structured illumination can be obtained from the interference between two Bessel beams. We theoretically and experimentally verify that the method can effectively generate axial cosinoidal structured illumination.

Conference Presentation

Citation Download Citation

Xianlin Song, Jianshuang Wei, and Lingfang Song "A novel method for generating linear structured illumination using phase modulation", Proc. SPIE 11610, Novel Patterning Technologies 2021, 116100V (22 February 2021); https://doi.org/10.1117/12.2581288

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