Research Article

Experiment and Prediction of Ablation Depth in Excimer Laser Micromachining of Optical Polymer Waveguides

Figure 5

SEM images of ablated depth at (a) 250x and (b) 650x magnifications (sample number 61: number of shots = 45, fluence = 0.1 J/cm2, scanning speed = 3.3 mm/min, and pulse repetition rate = 25 Hz). Measured maximum and mean depths are 1.002 μm and 0.740 μm, respectively.
(a)
(b)