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Generation of combined half-integer Bessel-like beams using synthetic phase holograms
Applied Optics
|January 6, 2023
Summary
Synthetic phase holograms (SPHs) efficiently generate combined half-integer Bessel-like (CHB) beams with high accuracy. Experimental results confirm SPH efficiency aligns with theoretical predictions for CHB beam generation.
Area of Science:
- Optics and Photonics
- Beam Shaping
- Holography
Background:
- Bessel-like beams offer unique propagation characteristics.
- Generating complex beam profiles requires advanced optical techniques.
- Synthetic phase holograms (SPHs) are a promising tool for beam manipulation.
Purpose of the Study:
- To investigate the generation of combined half-integer Bessel-like (CHB) beams using SPHs.
- To evaluate the efficiency and accuracy of SPHs for CHB beam generation.
- To experimentally validate the generation and propagation of CHB beams.
Main Methods:
- Utilizing synthetic phase holograms (SPHs) for beam generation.
- Implementing a phase spatial light modulator (SLM) in an experimental setup.
- Performing numerical and experimental analysis of beam propagation.
Main Results:
- SPHs successfully generated multiple CHB beams with high accuracy.
- Experimental efficiency of SPHs closely matched theoretical predictions.
- Analysis confirmed the controlled propagation characteristics of generated CHB beams.
Conclusions:
- SPHs are an effective method for generating CHB beams.
- The proposed holographic approach offers high fidelity and efficiency.
- This work validates a practical method for creating specialized optical beams.
