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Table 1

Summary of SOLSPEC UV channel.

Spectrometer
Monochromator
Design LATMOS
Type Concave holographic gratings
Angle of deviation (mm) 38°42
Gratings
Make Jobin-Yvon
Substrate/coating Zerodur/Al + MgF2
Groove density (mm-1) 3600
Curvature radius (mm) 96.3
Slits
Entrance/intermediate/exit
Height (mm) 1.00/1.10/1.10
Width (mm) 0.40/0.44/0.44

Detector
Make EMRa
Type Side Window (MgF2)
Solar Blind Photomultiplierb
Photocathode Cs2Te
Number of dynodes 18
High voltage (V) 2580

Notes.

(a)

Now Schlumberger Ltd. USA.

(b)

Reference 641F-09-18-03900.

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