COVERAGE DIAGRAMS 449 
EN EN SS DET ETE) RS) 
PATH 
(See Figure 15.) 
(See Figure 15.) 
| TO 
WALZ / FLD 
BZ / 7) 
itm 
oS 
GRADIENT OF REFRACTIVE 
REFLECTION COEFFICIENT: —-1 
CHART: 4 
CONSTANT 
Figure 22. Generalized coverage diagram for r = 1€. 
Fiaure 23. Generalized coverage diagram for r = 16. 
SUES ES OS ES TIED), 
PEIN 
a: CNETTV) 
SLE 
(See Figure 15.) 
(See Figure 15.) 
CLL, 
ZZ 
ZX 
Vi 
CONSTART GRADIENT OF REFRACTIVE INDEX 
REFLECTION COEFFICIENT: —1 
CHART 3 
Figure 20. Generalized coverage diagram for r = 32. 
Figure 21. Generalized coverage diagram for r = 32. 
