Photoinduced surface relief gratings in
โ
Taek Seung Lee; Dong-Yu Kim; Xin Li Jiang; Lian Li; Jayant Kumar; Sukant Tripath
๐
Article
๐
1998
๐
John Wiley and Sons
๐
English
โ 160 KB
๐ 1 views
We have synthesized two classes of polyureas with mono-and bisazoaromatic groups in their main chains via reactions between isophorone diisocyanate and the corresponding diamines. Holographic gratings were fabricated on azoaromatic polyurea films prepared by spin-coating from solutions. The effect o