Fresnel Rhomb Retarders dị ka brọdband ebili mmiri na-enye λ/4 ma ọ bụ λ/2 retardance n'ụdị ogologo ogologo ogologo ogologo karịa ka enwere ike iji efere mmiri na-efegharị efegharị.Ha nwere ike dochie efere nkwụghachi azụ maka brọdband, ọtụtụ ahịrị ma ọ bụ isi mmalite laser a na-emegharị emegharị.
Emebere rhomb ahụ ka ngbanwe usoro 45° na-eme na ntule dị n'ime nke ọ bụla na-emepụta nkwụghachi azụ nke λ/4.N'ihi na ngbanwe nke oge bụ ọrụ nke mgbasa nke rhomb ji nwayọọ nwayọọ na-agbanwe agbanwe, mgbanwe nkwụghachi azụ na ogologo ogologo ogologo dị obere karịa ụdị ndị ọzọ.The ọkara ife retarder na-agwakọta abụọ nkeji iri na ise rhombs ife.
atụmatụ:
• Quarter-Wave ma ọ bụ Ọkara Wave Retardance
• Ogologo ogologo ogologo karịa ka ebili mmiri
• Prisms simenti