Figure 7

The measured emission angles of OPAs incorporating different AWDLs corresponding to (a) \(\Delta L = 3.7\) μm, (b)\(\Delta L = 7.5\) μm, (c) \(\Delta L = 11.2\) μm and (d) \(\Delta L = 13\) μm.
The measured emission angles of OPAs incorporating different AWDLs corresponding to (a) \(\Delta L = 3.7\) μm, (b)\(\Delta L = 7.5\) μm, (c) \(\Delta L = 11.2\) μm and (d) \(\Delta L = 13\) μm.