- Names
-
- R. M. Mastrapa
- M. P. Bernstein
- S. A. Sandford
- T. L. Roush
- D. P. Cruikshank
- C. M. Dalle Ore
- Title
- Optical constants of amorphous and crystalline H $_2$O-ice in the near infrared from 1.1 to 2.6 \ensuremathμm
- Abstract
- Using new laboratory spectra, we have calculated the real and imaginary parts of the index of refraction of amorphous and crystalline H$_2$O-ice from 20 to 150 K in the frequency range 9000-3800 cm$^-1$ (1.1-2.6 μm) at a spectral resolution of 1 cm$^-1$. These optical constants can be used to create model spectra for comparison to spectra from Solar System objects. We also analyzed the differences between the amorphous and crystalline H$_2$O-ice spectra, including weakening of bands and shifting of bands to shorter wavelength in amorphous H$_2$O-ice spectra. We have also observed two spectrally distinct phases of amorphous H$_2$O-ice.
- Keywords
- spectroscopy, transmission, transmission spectra, optical constants spectra, band position, band integrated intensity, optical constants, near-IR, molecular solid, ice Ih, H2O, temperature
- Content
- spectral data, band list data, experimental physics
- Document type
- article
- Publication state
- published
- Doi
- 10.1016/j.icarus.2008.04.008
- Identifiers
-
- bibcode: 2008Icar..197..307M