Free Access

Fig. 2

image

Top: comparison of the transmission of blue filter used within OPTIMA and the standard Johnson B-band filter. Bottom: overall efficiency of OPTIMA with the blue filter taking into account the quantum efficiency of the single photon avalanche diodes.

Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.

Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.

Initial download of the metrics may take a while.