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Karpov, A., Miller, D., Rice, F., Stern, J. A., Bumble, B., LeDuc, H. G., et al. (2006). Development of 1.25 THz SIS mixer for Herschel Space Observatory. In J. Zmuidzinas, & W. S. Holland (Eds.), Proc. SPIE (Vol. 6275, 62751).
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Hartogh, P., Jarchow, C., Lellouch, E., de Val-Borro, M., Rengel, M., Moreno, R., et al. (2010). Herschel/HIFI observations of Mars: First detection of O2 at submillimetre wavelengths and upper limits on HCl and H2O2. Astron. Astrophys., 521, L49.
Abstract: We report on an initial analysis of Herschel/HIFI observations of hydrogen chloride (HCl), hydrogen peroxide (H2O2), and molecular oxygen (O2) in the Martian atmosphere performed on 13 and 16 April 2010 (Ls ~ 77°). We derived a constant volume mixing ratio of 1400 ± 120 ppm for O2 and determined upper limits of 200 ppt for HCl and 2 ppb for H2O2. Radiative transfer model calculations indicate that the vertical profile of O2 may not be constant. Photochemical models determine the lowest values of H2O2 to be around Ls ~ 75° but overestimate the volume mixing ratio compared to our measurements.
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Karpov, A., Miller, D., Rice, F., Zmuidzinas, J., Stern, J. A., Bumble, B., et al. (2001). Low noise 1.2 THz SIS receiver. In C. Iit.u.t.e of T. Jet Propulsion Laboratory (Ed.), Proc. 12th Int. Symp. Space Terahertz Technol. (pp. 21–22). San Diego, CA, USA.
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Karpov, A., Miller, D., Stern, J. A., Bumble, B., LeDuc, H. G., & Zmuidzinas, J. (2005). Low noise NbTiN 1.25 THz SIS mixer for Herschel Space Observatory. In Proc. 16th Int. Symp. Space Terahertz Technol. (450). Göteborg, Sweden.
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