Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Microstructured air-silica fibres: Recent developments in modelling,
  manufacturing and experiment   The main modelling methods devoted to microstrutured air-silica optical
fibres (MOFs) are presented and discussed. Then, the specific propagation
properties of MOFs are studied in detail. Characteristics measured on fibres
manufactured in our laboratory or reported in the literature are analysed. A
large number of potential and demonstrated applications are presented and the
obtained performances are discussed. A particular attention is given to hollow-
core photonic bandgap fibres and their applications.

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The categories of this paper are: hep-ph
19
The categories of this paper are: eess
9
The categories of this paper are: nlin
36
The categories of this paper are: cmp-lg
28
The categories of this paper are: alg-geom
4
The categories of this paper are: cond-mat
12
The categories of this paper are: nucl-th
18
The categories of this paper are: econ
26
The categories of this paper are: bayes-an
15
The categories of this paper are: nucl-ex
22
The categories of this paper are: chao-dyn
13
The categories of this paper are: quant-ph
5
The categories of this paper are: gr-qc
34
The categories of this paper are: chem-ph
31
The categories of this paper are: ao-sci
6
The categories of this paper are: astro-ph