Certain symmetry in the allocation of gain material leads to depletion of odd longitudinal modes that, in turn, increases the tunability range of the microlaser.
增益材料放置的对称性导致奇数阶纵模的损耗，从而增加了微激光器的调谐范围。
2
Borrower of book-those mutilator of collections , spoiler of the symmetry of shelves, and creator of odd volume.