Jyrki K. KAUPPINEN, Ilkka K. SALOMAA, Jari O. PARTANEN and Matti R. HOLLBERG

University of Turku, Department of Applied Physics, FIN-20014 Turku, Finland

(Received October 3, 1996; Accepted December 26, 1996)

The carousel interferometer is a new type of an interferometer, which has been invented at the University of Turku. It consists of a beamsplitter and five plane mirrors. Four of the mirrors are mounted on a carousel, which rotates back and forth. We have modified the interferometer for use in the Fourier-transform ultraviolet (FT-UV) spectroscopy. Test measurement with plasma radiation gives favourable results. The most important property, which makes the carousel interferometer suitable for UV measurements, is its good stability in modulation.

Key words : ultraviolet spectroscopy, Fourier-transform spectrometers, interferometers

*Presented at 1996 International Workshop on Interferometory (IWI '96), August 27-29, Wako, Saitama, Japan.