A single crystal of 3-(2-furyl)methacrylic acid anhydride,
(a) which has an absorption edge in a region of light having a wavelength of not more than 450 nm
(b) which exhibits non-linear optical activity,
(c) which has a single crystal structure having a size of which the largest side is at least 1 mm long, and
(d) which consists of 3-(2-furyl)methacrylic acid anhydride of the following formula (I).
This single crystal of FMA is useful as a material for manufacturing a light wavelength conversion element, an optical switch element or the like.
3-(2-
呋喃基)
甲基丙烯酸酐单晶、
(a) 在波长不超过 450 纳米的光区域具有吸收边缘
(b) 具有非线性光学活性、
(c) 具有单晶结构,其最大边长至少为 1 毫米,以及
(d) 由下式(I)的 3-(2-
呋喃基)
甲基丙烯酸酐组成。
这种 FMA 单晶体可用作制造光波长转换元件、光学开关元件等的材料。