About: optical amplifier

Premodifier: optical
Head noun: amplifier

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

Broader concepts

label	provenance	confidence
optical device	isap:135507640	0.859416
optical component	isap:351774862	0.814340
active optical device	isap:135507646	0.808186
optoelectronic device	isap:135507731	0.808164
network equipment	isap:353729690	0.749754
optical system	isap:136756155	0.716082
other optical device	isap:135507735	0.713356
fiber amplifier	isap:352370297	0.699010
device	isap:135507632	0.663656
optical fiber	isap:17130022	0.542652
optical amplifier	isap:352370283	0.523605
equipment	isap:353729691	0.522642
laser	isap:16686064	0.486119
system	isap:136756154	0.376972
semiconductor	isap:507137817	0.296306
fiber	isap:17130025	0.259866

Narrower concepts

label	provenance	confidence
optical fiber amplifier	isap:352370277	0.870049
raman amplifiers	isap:193405183	0.766184
raman amplifier	isap:352370288	0.765670
semiconductor optical amplifier soa	isap:21684980	0.601135
erbium-doped fiber	isap:336118989	0.580963
rare earth	isap:335516747	0.576362
optical amplifier	isap:352370283	0.523605
semiconductor optical amplifier	isap:21684981	0.493488
edfa	isap:286976373	0.446402
erbium	isap:421668336	0.427020
laser	isap:334952508	0.418984
fiber	isap:336118991	0.304181
amplifier	isap:352370281	0.291382
input	isap:336861265	0.265850
element	isap:319129801	0.249625