Table 1 Parameters used for sample modification and their designation.

From: Diverse nature of femtosecond laser ablation of poly(L-lactide) and the influence of filamentation on the polymer crystallization behaviour

λ = 1030 nm, F = 4.4 J/cm2

λ = 515 nm, F = 8.0 J/cm2

λ = 343 nm, F = 4.9 J/cm2

Pulse Spacing (spx, spy) [μm]

sample designator

Overlapping (2ω0 = 50 μm)

sample designator

Overlapping (2ω0 = 25 μm)

sample designator

Overlapping (2ω0 = 26 μm)

IR_30

40%

GR_30

−20%

UV_30

−15%

30

IR_25

50%

GR_25

0%

UV _25

0%

25

IR_20

60%

GR_20

20%

UV _20

23%

20

IR_15

70%

GR_15

40%

UV _15

42%

15

IR_10

80%

GR_10

60%

UV _10

62%

10

  1. λ–Laser wavelength, F – laser fluence determined as \(F=\frac{2{E}_{p}}{A}\), where A is beam spot area, \(Ov=\frac{2{\omega }_{0}-sp}{2{\omega }_{0}}\cdot 100 \% \).
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