Ndị depolarizers achromatic a nwere akụkụ quartz kristal abụọ, otu n'ime ha dị okpukpu abụọ karịa nke ọzọ, nke mgbanaka ígwè dị mkpa kewapụrụ.A na-ejikọta mgbakọ ahụ site na epoxy nke etinyere naanị na nsọtụ dị n'èzí (ya bụ, oghere doro anya na-enweghị epoxy), nke na-ebute optic nwere nnukwu mmebi.