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CRDS with a VECSEL for broad-band high sensitivity spectroscopy in the 2.3 µm window
Campargue, A.; Vasilchenko, S.; Mondelain, D. +9 more
The integration of an industry ready packaged Sb-based Vertical-External-Cavity Surface-Emitting-Laser (VECSEL) into a Cavity Ring Down Spectrometer (CRDS) is presented. The instrument operates in the important 2.3 µm atmospheric transparency window and provides a high sensitivity (minimum detectable absorption of 9 × 10-11 cm
Calibration of the microcalorimeter spectrometer on-board the Hitomi (Astro-H) observatory (invited)
de Vries, C. P.; Tsujimoto, M.; Ishisaki, Y. +21 more
The Hitomi Soft X-ray Spectrometer (SXS) was a pioneering non-dispersive imaging x-ray spectrometer with 5 eV FWHM energy resolution, consisting of an array of 36 silicon-thermistor microcalorimeters at the focus of a high-throughput soft x-ray telescope. The instrument enabled astrophysical plasma diagnostics in the 0.3-12 keV band. We introduce …