Non-diffraction-length Bessel-beam femtosecond laser drilling of high-aspect-ratio microholes in PMMA
Haoran Wang, Fan Zhang, Kaiwen Ding, Ji’an Duan
Topics & Concepts
AxiconBessel beamMaterials scienceOpticsFemtosecondLaserSurface micromachiningLaser drillingDiffractionBessel functionAspect ratio (aeronautics)Laser beam qualityBeam (structure)Laser beam machiningOptoelectronicsLaser beamsFabricationPhysicsMedicineAlternative medicinePathologyLaser Material Processing TechniquesOcular and Laser Science ResearchNonlinear Optical Materials Studies