Near infrared absorption filter
Near infrared ray absorbing compound having high durability and
Near infrared-absorbing electrochromic compounds and devices...
Near-infrared-absorbing composition and optical material
Near-infrared-absorbing material and near-infrared-absorbing...
Neutral coloring photochromic 2H-naphtho[1,2-b]...
Nickel porphyrins for memory optical applications
NLO dye compositions and use thereof in producing NLO elements
NLO dye compositions and use thereof in producing NLO elements
Non linear optical material and method for orientation thereof
Non-linear optical article
Non-linear optical device
Non-linear optical device
Non-linear optical device
Non-linear optical device
Non-linear optical device material composition
Non-linear optical device sensitive to green laser
Non-linear optical device with long grating persistency
Non-linear optical material
Non-linear optical material and non-linear optical device employ