Directly measuring mode purity of single component in superposed optical vortices
arXiv:2103.16288 · doi:10.1016/j.optcom.2021.127600
Abstract
Mode purity is an important reference for the quality of the optical vortex. In this work, we propose a self-interference method to directly measure single component in superposed optical vortices based on phase-shifting technology. This method has excellent flexibility and robustness, which can be applied to a variety of occasions and harsh conditions. Careful alignment and optimized error analysis allow us to generate and measure single component with mode purity as high as 99.997%.
arXiv comment9 pages, 6 figures
References in corpus (8)
- Optical guiding of absorbing nanoclusters in air
- Measuring the complex orbital angular momentum spectrum and spatial mode decomposition of structured light beams
- Theoretical analysis and experimental verification on optical rotational Doppler effect
- Single-shot measurement of the orbital-angular-momentum spectrum of light
- Making and identifying optical superposition of very high orbital angular momenta
- Efficient Modal Decomposition of Vortex Beams via Holographically Reconstructed Phase
- Quantum remote sensing of angular rotation of structured objects
- How light absorption modifies the radiative force on a microparticle in optical tweezers