{"@type": "dcat:Dataset", "accessLevel": "public", "accrualPeriodicity": "irregular", "bureauCode": ["026:00"], "contactPoint": {"@type": "vcard:Contact", "fn": "Thomas Morgan", "hasEmail": "mailto:thomas.h.morgan@nasa.gov"}, "description": "Transmission spectra of amorphous and    crystalline H2O-ice at temperatures from 20-150 K for a wavelength     range from 1.11 to 2.63 microns.  These spectra have not been          continuum-corrected or had the infrared interference fringes removed.  Optical constants (n and k values) were derived from these laboratory  spectra and are included in the data set.", "identifier": "urn:nasa:pds:gbo.ices.mastrapa.lab-spectra", "issued": "2021-05-21", "keyword": ["none", "terrestrial-water-ice"], "landingPage": "https://pds.nasa.gov/ds-view/pds/viewBundle.jsp?identifier=urn%3Anasa%3Apds%3Agbo.ices.mastrapa.lab-spectra&version=1.0", "license": "http://www.usa.gov/publicdomain/label/1.0/", "modified": "2025-07-17", "programCode": ["026:005"], "publisher": {"@type": "org:Organization", "name": "National Aeronautics and Space Administration"}, "references": ["https://pds.nasa.gov"], "theme": ["Earth Science"], "title": "OPTICAL CONSTANTS AND LAB SPECTRA OF WATER ICE"}