About: http://webisa.webdatacommons.org/341637245

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	But in a waveguide such as an optical fiber, increasing the beam size requires finer and finer control over the index distribution if it is to operate in a single transverse mode.
http://www.w3.org/ns/prov#wasQuotedFrom	opticsinfobase.org