Free Access

Table 1

Some properties of the TRIPPEL spectrograph

Slit width 25 μm (≈011)
Grating constant 79.01 mm-1
Blaze angle 63.43°
Grating size 154 × 306 mm
Focal length 1500 mm
Littrow lens aperture 135 mm

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.