3 papers
physics.optics2025
Ablation of black-Si by (Gauss-)Bessel femtosecond laser beams
Nan Zheng, Hsin-Hui Huang, Nguyen Hoai An Le +7
Laser machining and modification of black-Si (b-Si) by femtosecond laser Gaussian (G-) and Gauss-Bessel (GB-) beams are compared at a wavelength of 1030 nm. The GB-beam was generat…
astro-ph.IM2024
3D Free-Form Optical Lens -- Miniaturised Fibre Couplers for Astrophotonics
Haoran Mu, Daniel Smith, Tomas Katkus +14
In astronomy, multi-object spectrographs employ fibre positioning robots to couple the light from multiple astronomy sources (stars or galaxies) into multiple multi-mode fibres, wh…
physics.optics2024
Light Trapping by Non-Hermitian Thin Films
Lina Grineviciute, Ignas Lukosiunas, Julianija Nikitina +4
One of the exceptional features of non-Hermitian systems is the unidirectional wave interactions. Simultaneous modulation of the real and the imaginary part of the interaction pote…