SU-8 has a refractive index of around 1.67 and meets your transparency
requirements.

Chris

> Would you please tell me where can I find a kind of
> polymer or UV glue, which has high optical refrative
> index (n=1.6~1.9) and has high transparent for h-line
> (for 405nm light, above 90%).
--
Christopher F. Blanford
Inorganic Chemistry Laboratory, South Parks Road, Oxford, OX1 3QR, UK
Phone: (44)/(0)-1865-282603; Fax: (44)/(0)-1865-272690
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