... ATOMS, MOLECULES, OPTICS Modified Phase Matching Conditions for Second Harmonic Generation in a Finite One-Dimensional Photonic Crystal near the Bragg Condition: Weak and Strong Diffraction E. V. Petrov and B. I. Mantsyzov Moscow State University, Moscow, 119992 Russia e-mail: epetrov@genphys.phys.msu.ru; mants@genphys.phys.msu.ru Received December 20, 2004 Abstract--Enhanced noncollinear second harmonic generation in a finite one-dimensional ...
... EXPERIMENTAL Films of the polysterene (PS)-polymethylacrylate (PMA)-polysterene triblock copolymer were studied. ... AFM-images of the polysterenepolymethylacrylatepolysterene films at [PS] : [PMA] = 1 : 2 (left) and 1:1 (right). a, b morphology change at the contact scanning regime; c, d images of the domain and lamellar structures of the microphase segregation in the polysterenepolymethylacrylatepolysterene films obtained in the semi-contact scanning regime. ... 64 0.05 Fig. ...
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