The thick blocking barrier will not only reduce the dark current but also the responsivity and photocurrent.Therefore, the detectivity for the thick barrier SLIP is at the same order for the thin one.

• 除此之外，厚的电流能障，不仅会使得暗电流降低，同时也会降低光电流与光响应的大小，因此厚能障与薄能障侦测器的侦检率皆在同一个倍率。