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Details of Grant 

EPSRC Reference: GR/L63747/01
Title: INTEGRATED FIBRE OPTICS
Principal Investigator: Birks, Professor TA
Other Investigators:
Russell, Professor PS
Researcher Co-Investigators:
Project Partners:
Sifam Instruments
Department: Physics
Organisation: University of Bath
Scheme: Standard Research (Pre-FEC)
Starts: 01 February 1998 Ends: 31 March 2000 Value (£): 119,924
EPSRC Research Topic Classifications:
Optical Devices & Subsystems
EPSRC Industrial Sector Classifications:
Electronics
Related Grants:
Panel History:  
Summary on Grant Application Form
The proposed project takes advantage of a little-known property of fibre that has been narrowed by being stretched while heated (tapered fibre): it can be bent to sub-millimetre radii without causing loss. In contrast, untreated fibre suffers bend loss for radii of about 1cm or less. We propose to make a series of passive and active all-fibre devices on a miniature scale by using tapered fibre as the raw material. The required optical path will be laid out using lengths of tapered fibre. Elementary components will be made at appropriate places: directional couplers will be made at crossing points by fusion using a carbon dioxide laser, and gratings will be written by exposure to UV light where required. We propose to build a number of simple yet important miniature compound devices, and so demonstrate the range of more complicated devices that could be built. We expect the small size and low loss of these all-fibre devices to find widespread applications within telecommunications.
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Further Information:  
Organisation Website: http://www.bath.ac.uk