导光柱

锥形光管均质棒利用全内反射来均匀化非均匀光源，而不考虑其光谱特性。这些棒是完美的使用LED光源。光输出的数值孔径(NA)与放大倍率成比例降低，从而使输出光的NA显著降低。

Substrate Material:	Schott, Ohara, CDGM, Corning Fused Silica and JGS1, JGS2
Shape:	Rod
Focal length:	+/-1%
Surface Quality:	40-20
Surface Irregularity:	λ/4 @ 633nm
Clear Aperture:	>90% of central dimension
Angle:	+/-5″
coating:	customized as per your need