Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Polarization effects in diffraction of light on a planar chiral
  structure   We analyzed polarization changes of light diffracted on planar chiral array
from the standpoint of the Lorentz reciprocity lemma and found the
bi-orthogonality in the polarization eigenstates for the waves diffracting
though the grating in the opposite direction. Both reciprocal and
non-reciprocal component in the polarization azimuth rotation of the diffracted
light were identified. The structural chirality of the array arrangement and
the chirality of individual elements of the array give rise to polarization
effects.

37
The categories of this paper are: supr-con
8
The categories of this paper are: hep-ex
32
The categories of this paper are: atom-ph
35
The categories of this paper are: mtrl-th
28
The categories of this paper are: alg-geom
7
The categories of this paper are: hep-th
11
The categories of this paper are: hep-lat
21
The categories of this paper are: adap-org
2
The categories of this paper are: math
18
The categories of this paper are: econ
17
The categories of this paper are: q-fin
31
The categories of this paper are: ao-sci
26
The categories of this paper are: bayes-an
33
The categories of this paper are: plasm-ph
10
The categories of this paper are: q-bio
19
The categories of this paper are: eess