optical field的用法和樣例：
例句
- A well-defined array of stable fringes results and the field is spatially coherent.
結果得到一組完全確定的穩定條紋，而光場(chǎng)是空間相干的。 - The Bloch equations for semiconductor intersubband driven by a optical field are derived.
推導了外加光場(chǎng)作用下的半導體子帶間布洛赫方程，并研究了量子阱子帶間光吸收特性。
