Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Fiber lasers generating radially and azimuthally polarized light   A simple, robust, and efficient method to produce either radially or
azimuthally polarized output beam from a fiber laser is presented. Experimental
results reveal that polarization purity of 90% or better can be obtained.

18
The categories of this paper are: econ
27
The categories of this paper are: comp-gas
33
The categories of this paper are: plasm-ph
13
The categories of this paper are: quant-ph
1
The categories of this paper are: cs
16
The categories of this paper are: stat
11
The categories of this paper are: hep-lat
29
The categories of this paper are: funct-an
21
The categories of this paper are: adap-org
0
The categories of this paper are: hep-ph
34
The categories of this paper are: chem-ph
32
The categories of this paper are: atom-ph
31
The categories of this paper are: ao-sci
14
The categories of this paper are: math-ph
4
The categories of this paper are: cond-mat
22
The categories of this paper are: chao-dyn