wavelength, nm - waveguide  width 400		420		430		440		450 nm
1250	2.59654	1250	2.63797	1250	2.65641	1250	2.67352	1250	2.68944	
1275	2.55838	1275	2.60197	1275	2.62137	1275	2.63937	1275	2.6561	
1300	2.51989	1300	2.56573	1300	2.58612	1300	2.60503	1300	2.62261	
1325	2.48107	1325	2.52923	1325	2.55064	1325	2.5705	1325	2.58896	
1350	2.4418	1350	2.49236	1350	2.51483	1350	2.53567	1350	2.55503	
1375	2.40219	1375	2.45523	1375	2.47879	1375	2.50064	1375	2.52094	
1400	2.362	1400	2.4176	1400	2.44229	1400	2.46519	1400	2.48645	
1425	2.32137	1425	2.37959	1425	2.40545	1425	2.42942	1425	2.45167	
1450	2.28028	1450	2.3412	1450	2.36826	1450	2.39333	1450	2.41661	
1475	2.23864	1475	2.30232	1475	2.33061	1475	2.35682	1475	2.38115	
1500	2.19659	1500	2.26308	1500	2.29262	1500	2.31999	1500	2.34541	
1525	2.15389	1525	2.22324	1525	2.25406	1525	2.28263	1525	2.30915	
1550	2.11084	1550	2.18306	1550	2.21518	1550	2.24497	1550	2.27261	
1575	2.06735	1575	2.14245	1575	2.17588	1575	2.2069	1575	2.2357	
1600	2.02349	1600	2.10143	1600	2.13619	1600	2.16845	1600	2.19841	
1625	1.97933	1625	2.06006	1625	2.09613	1625	2.12963	1625	2.16077	
		1650	2.01837	1650	2.05574	1650	2.09048	1650	2.12279