The high-numerical aperture photonic crystal fibers and application in astronomy

Details The high-numerical aperture photonic crystal fibers and application in astronomy The high-numerical aperture photonic crystal fibers and application in astronomy

Nov 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010spie.7849e..34s&link_type=abstract

Optical Design and Testing IV. Edited by Wang, Yongtian; Bentley, Julie; Du, Chunlei; Tatsuno, Kimio; Urbach, Hendrik P. Proc

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In order to detect the weak light of the protostars in astronomy, we design a new type of photonic crystal fibers with high numerical aperture. Through controlling the number and the diameter of the air holes around the central fiber core, the numerical aperture can also be adjusted to apt different applications. With the help of the big air holes, the loss can be reduced to less than 0.1dB/km. So this kind of high numerical aperture fibers has the strong ability to collect light and the loss is very low.

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