urn:nasa:pds:context:investigation:individual.lab_atm-opt-const-titan 1.0 1.24.0.0 Product_Context 2026-04-13 1.0 Initial setup of the product. urn:nasa:pds:context:facility:laboratory.arc-cosmic investigation_to_facility urn:nasa:pds:context:facility:laboratory.arc-ocf investigation_to_facility Optical Constants of Laboratory Generated Titan Atmospheric Aerosol Analogs Individual Investigation 2026-04-08 This archive contains experimentally measured complex refractive indices of laboratory-generated organic refractory materials (tholins) produced at low temperature (150 K) using plasma chemistry in the stream of a supersonic expansion in NASA Ames’ COsmic SImulation Chamber (COSmIC) facility. The COSmIC tholin samples were produced from various gas mixtures representative of Titan, Pluto, Jupiter, and exoplanet atmospheric compositions with a high voltage of -700V. The real (n) and imaginary (k) parts of the complex index of refraction were determined from reflectance and transmission spectroscopic measurements conducted with the Optical Constants Facility and/or the Soleil Synchrotron AILES beamline facility.