Tunable depth of focus with modified complex amplitude modulation of an optical field.
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DOI: 10.1364/ao.453313
Abstract: Bessel beams have nondiffraction and self-healing properties in the propagation direction and are widely used in particle optical manipulation and optical microscopy. Bessel beams can be generated by axicons or spatial light modulators, which can… read more here.
Keywords: modulation; tunable depth; bessel; depth focus ... See more keywords