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Tilted fibre gratings for sideways light delivery

Please use this identifier to cite or link to this item: http://hdl.handle.net/1959.14/45142

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Title: Tilted fibre gratings for sideways light delivery
Related: Pacific International Conference on Applications of Lasers and Optics (PICALO) (2nd : 2006) (3 - 5 April 2006)
Related: Brandt, Milton and Harvey, Erol. Proceedings of the 2nd Pacific International Conference on Applications of Lasers and Optics 2006, p.363-365
Related: http://www.laserinstitute.org/store//PIC06_M207
Publisher: US : Laser Institute of America
Date: 2006
FoR/RFCD Code(s): 020502 Lasers and Quantum Electronics 020599 Optical Physics not elsewhere classified
Author/Creator: Marshall, Graham
Author/Creator: Dawes, Judith
Author/Creator: Withford, Michael
Description: We investigate the properties of tilted fibre gratings written using two techniques namely UV laser with phase mask inscription in hydrogenated fibre and point-by-point femtosecond IR inscription in non-photo-sensitised fibre. The intended application of this work is for laser light delivery from the side of an intravenous optical fibre for cauterising biological tissue in surgical procedures. Consequently, broad bandwidth gratings capable of withstanding temperatures of 100's ºC are required. We have produced phase-mask-inscripted gratings with tilt angles of up to 8o, with an efficient and rapid writing process (exposure times of a few minutes are required). Point-by-point inscripted gratings have also been produced and have the advantage of being highly thermally stable (up to 600ºC) and offer the prospect of suitable bandwidths through careful design of the grating. We will present an investigation of these two grating structures and their reflection and transmission spectra (which characterise their cladding and radiation mode coupling properties and are essential to the design of side-firing fibres).
Description: 3 page(s)
Subject Keyword: 020502 Lasers and Quantum Electronics
Subject Keyword: 020599 Optical Physics not elsewhere classified
Resource Type: conference paper
Organisation: Macquarie University. Dept. of Physics

Identifier: http://hdl.handle.net/1959.14/45142
Identifier: ISBN:0912035846
Identifier: mq-rm-2006002796
Language: eng
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