Abstract
Based on the Hankel wave theory, the possibility of self-reconstruction of incoherent source high-order Bessel beams is analyzed. The cross-section light intensity distribution of first-order Bessel beam generated by green LED light source after on-axis circular obstacle is simulated by cross-spectral density function. In the experimental aspect, we lead the light generated from green light source passing through spiral phase plate and axcion to generate first-order Bessel beams, and put a circular obstacle and a square obstacle on the axis respectively, to demonstrate the self-reconstruction property of incoherent source high-order Bessel beams. The experimental results are accorded well with the theoretical simulation. The research result has an important reference value for the micromanipulation of particles in multiple planes by using incoherent light.
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