Principle of the planar interferometer and SEM photo of realized systems (etch depth in silica: 100 um, sidewall roughness (Ra) < 10 nm, angle of sidewall 89 °)
Weigel, Christoph;…
Optical lens with refractive index gradient in the y-axis and spherical bending in x-axis for optimised planar integration of a 2D refractive index lens. top: design and stepwise realisisation of…
Assembled interferometer device with fibre coupling / sensor chip, interferometer and GRIN-lens in relation to a ball pen
M. Hoffmann, S. Dickhut, E.Voges: Fiber Ribbon Alignment…
Transmission characteristics of an un-annealed PECVD SiON waveguide including coupling loss to singlemode fibres at both ends
M. Hoffmann, H. Bezzaoui, E. Voges: Micromechanical…
Optical Waveguides and optical Mems
Over the last 30 years, a number of projects in integrated optics and optical MEMS has been performed by the PI at Universität Dortmund (1990 – 2003) and TU…
