Figure 5
From: Beam shaping in high-power broad-area quantum cascade lasers using optical feedback

SEM picture of the laser with a cracked facet (a) and horizontal far-field at 11 V (b).
From: Beam shaping in high-power broad-area quantum cascade lasers using optical feedback

SEM picture of the laser with a cracked facet (a) and horizontal far-field at 11 V (b).