Wetzker, Cornelia
Reinhardt, Klaus
Funding for this research was provided by:
Zukunftskonzept of the Technische Universität Dresden
Article History
Received: 18 July 2019
Accepted: 3 December 2019
First Online: 20 December 2019
Competing interests
: In this paper we use equipment and software purchased from Becker & Hickl GmbH, Berlin, Germany. Two years after the purchase, C.W. gave an invited talk at the 8<sup><i>th</i></sup> Advanced Optical Methods Workshop held in November 2018 at Shenzhen University, China, which was co-organized by Becker & Hickl GmbH, Berlin, Germany. The organizers provided travel and accommodation. K.R. declares no competing interests.