Poly Vinyl Cinnamate Index Optimize Waveguides - Chinaprice: contact company for price
undergo cross-linking due to [2 + 2] photocycloaddition between
cinnamoyl groups. Consequently, electronic configuration of lateral
polymer groups changes and also leads to the drop of the refractive
index in the visible range. This mechanism is studied with regards to
the level of the electronic absorption of cinnamate centered at 278 nm.
It acts on refractive index by shifting the absorption UV band. Most of
the time, this influence vanishes in the near infrared region (NIR). It
is due to antagonist phenomena acting at the expense of the index
lowering. The causes analysis leads us to optimize the irradiation
spectrum, providing higher index contrasts between irradiated and
nonirradiated area. We show that strong index changes can be achieved in
PVCi film, up to 2.5 10-2 even in the NIR, enabling us, for example, to
perform optical photoprinting waveguides for telecommunication
wavelengths (1300-1550 nm).
Poly Vinyl Cinnamate
Thank you in advance for your consideration
- Posted By: Yuancheng Pharmaceutical Company., Ltd.
- Phone: 862788320830
- Address: NO.496 Zhongshang Road, Wuchang, Wuhan, Hubei, 430, wuhan, China
- Website: http://www.ycphar.com/en
Published date: September 7, 2012 -
- Business Description: involved in international trade import export of goods, products, and services
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