Interference methods in OAM imaging for biophysical applications.
Solyanik V.A., Fedosov I.V., Tuchin V.V.
Abstract
In modern biophysics, considerable attention is paid to probing biological tissues using optical imaging and optical diagnostics. These days, vortex beams are very widely used, from cryptography to biophysics. However, in order to generate vortex beams, new methods are needed that provide a very high resolution of the beam-modulating mask. In this work, we present a method of generating vortex beams, which allows you to significantly reduce the required resolution. These make it possible to significantly simplify vortex beam generation, making it more accessible. This makes it a cheap and flexible tool for biomedical and biochemical applications. The required resolution of the diffraction pattern is obtained optically, and the method applied by us allows us to vary the pitch of the fork-shaped diffraction grating. We experimentally demonstrate vortex beam generation using this method.
Speaker
Vadim Solyanik
student
Russia
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