Details of Grant 

EPSRC Reference:	GR/J68588/01
Title:	NOVEL MOLECULES FOR SECOND HARMONIC GENERATION
Principal Investigator:	Cross, Dr GH
Other Investigators:	Wood, Professor D
Researcher Co-Investigators:
Project Partners:
Department:	Physics
Organisation:	Durham, University of
Scheme:	Standard Research (Pre-FEC)
Starts:	01 April 1994	Ends:	31 March 1996	Value (£):	94,509
EPSRC Research Topic Classifications:	Materials Characterisation
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Summary on Grant Application Form
A novel organic material synthesised recently is promising for use in frequency doubling of laser diodes. The molecule has an exceptionally large nonlinearity but, importantly, also is transparent on the high energy side of the CT absorption band. Anomalous dispersion phase matching is therefore possible. The programme will explore the rich chemistry of this first material to develop a molecule suitable for commercial application in blue light sources. A parallel effort on characterisation and device fabrication will be followed. The question of photostability will be addressed. Attached side groups to the molecule will inhibit photo-oxidation and isomerisation. The material deemed optimum from this effort will be incorporated into a polymer matrix by covalent attachment and good thermal stability of poling alignment is then expected.
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