Condition: Very Good. Dust Jacket Condition: No dustjacket. 8vo pp. 396, as new, still in shrink wrap, 'Nonlinear optical studies of periodic dielectric structures have blossomed in the past two decades. New fabrication techniques are producing fiber grating and multidimensional photonic crystals in materials where the refractive index can be varied by light pulses and beams. Gap solitons that can propagate at any velocity? book.