wavelength, nm - waveguide  width 400		420		430		440		450 nm
1250	2.07094	1250	2.09621	1250	2.10786	1250	2.11889	1250	2.12934	
1275	2.0084	1275	2.03443	1275	2.04646	1275	2.05787	1275	2.06868	
1300	1.94675	1300	1.97337	1300	1.98571	1300	1.99743	1300	2.00856	
1325	1.88655	1325	1.91354	1325	1.92609	1325	1.93805	1325	1.94941	
1350	1.82842	1350	1.85549	1350	1.86813	1350	1.8802	1350	1.89171	
1375	1.77302	1375	1.79984	1375	1.81243	1375	1.82449	1375	1.83601	
1400	1.72089	1400	1.74709	1400	1.75947	1400	1.77138	1400	1.78278	
1425	1.67273	1425	1.69796	1425	1.70996	1425	1.72155	1425	1.73269	
1450	1.62901	1450	1.65292	1450	1.66439	1450	1.67552	1450	1.68626	
1475	1.58994	1475	1.61227	1475	1.62306	1475	1.63359	1475	1.6438	
1500	1.55569	1500	1.57622	1500	1.58624	1500	1.59606	1500	1.60564	
1525	1.52609	1525	1.54467	1525	1.55384	1525	1.56286	1525	1.57174	
1550	1.50099	1550	1.51758	1550	1.52584	1550	1.53403	1550	1.54213	
1575	1.48	1575	1.4946	1575	1.50195	1575	1.50929	1575	1.51652	
1600	1.46266	1600	1.47535	1600	1.48181	1600	1.4883	1600	1.49456	
1625	1.44843	1625	1.45937	1625	1.465	1625	1.47069	1625	1.47581	
		1650	1.44615	1650	1.45102	1650	1.45598	1650	1.45983