Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Application of retardation-modulation polarimetry in studies of
  nanocomposite materials   We demonstrate an application of retardation-modulation polarimetry in
studies of nanocomposite materials. Molecular ordering is explored on both
nonchiral and chiral liquid crystals (LCs) in the bulk state and embedded into
parallel-arrays of cylindrical channels of alumina or silica membranes of
different channel sizes (12-42 nm). Two arms polarimetry serves for
simultaneous measurements of the birefringence retardation and optical activity
characterizing, respectively, orientational molecular ordering and chiral
structuring inside nanochannels.

10
The categories of this paper are: q-bio
15
The categories of this paper are: nucl-ex
37
The categories of this paper are: supr-con
23
The categories of this paper are: solv-int
33
The categories of this paper are: plasm-ph
16
The categories of this paper are: stat
19
The categories of this paper are: eess
31
The categories of this paper are: ao-sci
17
The categories of this paper are: q-fin
36
The categories of this paper are: cmp-lg
35
The categories of this paper are: mtrl-th
1
The categories of this paper are: cs
30
The categories of this paper are: q-alg
20
The categories of this paper are: acc-phys
8
The categories of this paper are: hep-ex
21
The categories of this paper are: adap-org