Super-resolution linear optical imaging in the far field
- URL: http://arxiv.org/abs/2105.01743v2
- Date: Mon, 2 Aug 2021 19:19:30 GMT
- Title: Super-resolution linear optical imaging in the far field
- Authors: A.A. Pushkina, G. Maltese, J.I. Costa-Filho, P. Patel, A.I. Lvovsky
- Abstract summary: Far-field, linear-optical super-resolution techniques based on passive analysis of light coming from the object would cover these gaps.
We present the first proof-of-principle demonstration of such a technique.
With a basis of 21 spatial modes in both transverse dimensions, we perform two-dimensional imaging with twofold resolution enhancement beyond the diffraction limit.
- Score: 0.9449650062296824
- License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
- Abstract: The resolution of optical imaging devices is ultimately limited by the
diffraction of light. To circumvent this limit, modern super-resolution
microscopy techniques employ active interaction with the object by exploiting
its optical nonlinearities, nonclassical properties of the illumination beam,
or near-field probing. Thus, they are not applicable whenever such interaction
is not possible, for example, in astronomy or non-invasive biological imaging.
Far-field, linear-optical super-resolution techniques based on passive analysis
of light coming from the object would cover these gaps. In this paper, we
present the first proof-of-principle demonstration of such a technique. It
works by accessing information about spatial correlations of the image optical
field and, hence, about the object itself via measuring projections onto
Hermite-Gaussian transverse spatial modes. With a basis of 21 spatial modes in
both transverse dimensions, we perform two-dimensional imaging with twofold
resolution enhancement beyond the diffraction limit.
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