Integrated optics for astronomical interferometry - II. First laboratory white-light interferogramsJ. P. Berger, K. Rousselet-Perraut, P. Kern, F. Malbet, I. Schanen-Duport, F. Reynaud, P. Haguenauer and P. BenechAstron. Astrophys. Suppl. Ser., 139 1 (1999) 173-177DOI: https://doi.org/10.1051/aas:1999504