The reflectivity of the optical components of the 0.7-m GROWTH India Telescope (GIT) at the Indian Astronomical Observatory (IAO), Hanle, was measured using a CT7 reflectometer at seven discrete wavelengths ranging from ...

The reflectivity degradation study of mirror coatings at the proposed National Large Solar Telescope (NLST) site at Merak, Ladakh, was initiated to assess the performance of different optical coating configurations under ...