About: optical filter

Premodifier: optical
Head noun: filter

Same concepts
http://dbpedia.org/resource/Optical_filter

Broader concepts

label	provenance	confidence
optical component	isap:422882926	0.830785
optical system	isap:391913984	0.714007
optical element	isap:448101329	0.709172
optical film	isap:492123651	0.696366
device	isap:389410566	0.684667
interference filter	isap:388211551	0.649248
optics	isap:397097719	0.555879
accessory	isap:422565261	0.546300
coating	isap:446888712	0.531019
mechanism	isap:420838389	0.478432
component	isap:422882925	0.469864
advantage	isap:422743317	0.415747
filter	isap:388211398	0.331415
detector	isap:104517830	0.330270

Narrower concepts

label	provenance	confidence
neutral density filter	isap:388211921	0.802682
interference filter	isap:388211404	0.633083
dichroic filter	isap:388211631	0.446221
ir	isap:107261929	0.385438
interferometer	isap:54635805	0.383606
filter	isap:388211402	0.373811
etalon	isap:396429587	0.303760
polarizer	isap:132194137	0.294392
embodiment	isap:257319996	0.253730
film	isap:310886741	0.224056
layer	isap:155034816	0.191268
example	isap:270526261	0.180131
lens	isap:310550562	0.173177