Table 2 Femtosecond laser parameters for texturing

From: Molten CMAS resistance strategy for PS-PVD TBCs based on laser textured and Al-modified bionic structure

Parameters

Value

Wavelength (λ)

1030 nm

Beam polarization

Linear

Laser mode

TEM00 (M2 < 1.3)

Pulse energy (Ep)

100 μJ

Pulse width (tp)

240 fs

Repetition frequency (f)

50 kHz

Scanning speed (v)

100 mm/s

Scanning distance

50 μm

Focus distance

0 mm

Focal length

170 mm

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