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  • Suzhou Rico Machinery Co., Ltd (China): RICO, a professional CNC machinery company, who integrated research, development and... http://www.ricocnc.com
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  • Poly Vinyl Cinnamate Index Optimize Waveguides - China

    price: contact company for price

    CAS: 9050-06-0 Under UV irradiation, poly(vinyl cinnamate) (PVCi) films

    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


    Company Contact:


    • Phone: 862788320830

    • Address: NO.496 Zhongshang Road, Wuchang, Wuhan, Hubei, 430, wuhan, China

    • Email: Email


    Published date: September 7, 2012 -

    • Business Description: involved in international trade import export of goods, products, and services

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