Fully reflective deep ultraviolet to near infrared spectrometer and entrance optics for resonance Raman spectroscopy

B. Schulz, J. Bäckström, D. Budelmann, R. Maeser, M. Rübhausen, M. V. Klein, E. Schoeffel, A. Mihill, S. Yoon

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Abstract

We present the design and performance of a new triple-grating deep ultraviolet to near-infrared spectrometer. The system is fully achromatic due to the use of reflective optics. The minimization of image aberrations by using on- and off- axis parabolic mirrors as well as elliptical mirrors yields a strong stray light rejection with high resolution over a wavelength range between 165 and 1000 nm. The Raman signal is collected with a reflective entrance objective with a numerical aperture of 0.5, featuring a Cassegrain-type design. Resonance Raman studies on semiconductors and on correlated compounds, such as LaMn O3, highlight the performance of this instrument, and show diverse resonance effects between 1.96 and 5.4 eV.

Original languageEnglish
Article number073107
JournalReview of Scientific Instruments
Volume76
Issue number7
DOIs
StatePublished - Jul 2005

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