@article{RothEsenHellmann2019, author = {Gian-Luca Roth and Cemal Esen and Ralf Hellmann}, title = {Circular microchannels inside bulk polymethylmethacrylate generated by femtosecond laser using slit beam shaping}, journal = {Journal of Laser Applications}, volume = {31}, number = {2}, pages = {022603-1 -- 022603-5}, year = {2019}, }