Multicore optical fibres for astrophotonics

Tim Birks, Brian Mangan, A Diez, J L Cruz, Sergio-Gregorio Leon-Saval, J Bland-Hawthorn, D F Murphy

Research output: Contribution to conferencePaper

14 Citations (Scopus)

Abstract

We report progress towards multimode (MM) fibre filters for suppressing the OH emission that hinders ground based observation of the early Universe. Fibre Bragg gratings (FBGs) can filter these narrow spectral lines in single-mode (SM) fibres. Implementing them in MM fibres well-matched to astronomical instruments requires transitions between the MM fibre and several SM fibres. Such hand-crafted "photonic lanterns" require many identical FBGs to be made and spliced in place. Instead we are pursuing the idea in multicore (MC) fibres. The FBG is written at once in all the SM cores. The fibre is jacketed with low-index glass and tapered to form the core and cladding of a MM fibre, giving a monolithic FBG filter with conventional MM ports. Such a device can stand alone, or be incorporated into more elaborate instruments.
Original languageEnglish
DOIs
Publication statusPublished - May 2011
Event2011 Conference on Lasers and Electro-Optics Europe - Munich, Germany
Duration: 22 May 201126 May 2011

Conference

Conference2011 Conference on Lasers and Electro-Optics Europe
CountryGermany
CityMunich
Period22/05/1126/05/11

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optical fibers
fibers
Bragg gratings
filters
line spectra
universe
photonics
glass

Cite this

Birks, T., Mangan, B., Diez, A., Cruz, J. L., Leon-Saval, S-G., Bland-Hawthorn, J., & Murphy, D. F. (2011). Multicore optical fibres for astrophotonics. Paper presented at 2011 Conference on Lasers and Electro-Optics Europe , Munich, Germany. https://doi.org/10.1109/CLEOE.2011.5943675

Multicore optical fibres for astrophotonics. / Birks, Tim; Mangan, Brian; Diez, A; Cruz, J L; Leon-Saval, Sergio-Gregorio; Bland-Hawthorn, J; Murphy, D F.

2011. Paper presented at 2011 Conference on Lasers and Electro-Optics Europe , Munich, Germany.

Research output: Contribution to conferencePaper

Birks, T, Mangan, B, Diez, A, Cruz, JL, Leon-Saval, S-G, Bland-Hawthorn, J & Murphy, DF 2011, 'Multicore optical fibres for astrophotonics' Paper presented at 2011 Conference on Lasers and Electro-Optics Europe , Munich, Germany, 22/05/11 - 26/05/11, . https://doi.org/10.1109/CLEOE.2011.5943675
Birks T, Mangan B, Diez A, Cruz JL, Leon-Saval S-G, Bland-Hawthorn J et al. Multicore optical fibres for astrophotonics. 2011. Paper presented at 2011 Conference on Lasers and Electro-Optics Europe , Munich, Germany. https://doi.org/10.1109/CLEOE.2011.5943675
Birks, Tim ; Mangan, Brian ; Diez, A ; Cruz, J L ; Leon-Saval, Sergio-Gregorio ; Bland-Hawthorn, J ; Murphy, D F. / Multicore optical fibres for astrophotonics. Paper presented at 2011 Conference on Lasers and Electro-Optics Europe , Munich, Germany.
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