About: http://webisa.webdatacommons.org/249168672

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	However, there is a considerable problem with these multiwavelength add/drop multiplexers due to interference between the light added to the main optical fiber through the multiplexers and the light propagating along the main fiber.
http://www.w3.org/ns/prov#wasQuotedFrom	patents.com