Invention Grant
- Patent Title: Non-linear optical device with long grating persistency
- Patent Title (中): 具有长光栅持久性的非线性光学器件
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Application No.: US11781508Application Date: 2007-07-23
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Publication No.: US07736548B2Publication Date: 2010-06-15
- Inventor: Michiharu Yamamoto , Peng Wang
- Applicant: Michiharu Yamamoto , Peng Wang
- Applicant Address: JP Osaka
- Assignee: Nitto Denko Corporation
- Current Assignee: Nitto Denko Corporation
- Current Assignee Address: JP Osaka
- Agency: Knobbe Martens Olson & Bear LLP
- Main IPC: G02B5/30
- IPC: G02B5/30
Abstract:
A non-linear optical device comprising a polymer configured to provide a grating holding ratio of 20% or higher after about four minutes, wherein the polymer comprises a first repeating unit comprising a first moiety having formula (M-1) and a second repeating unit comprising a second moiety having formula (M-2), as defined herein.
Public/Granted literature
- US20080039603A1 NON-LINEAR OPTICAL DEVICE WITH LONG GRATING PERSISTENCY Public/Granted day:2008-02-14
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