27 May 2023

Grating: 1200 lpmm/500blaze
Nominal dispersion 1.44 nm/mm
Entrance silt = 3mm. Exit slit for optical fiber= 0.2 mm
Wavelength bin @ 3mm slit size= 4.32 nmi

FW1     FW2     CWL(nm) Exp(s)  File    Remarks
-------+-------+-------+-------+-------+----------------------------+
NB2(02) BP2(00) 276.7   180     006     Fiber open.
NB2(02) BP2(00) 276.7   180     007     Fiber closed.
-------+-------+-------+-------+-------+----------------------------+

28 May 2023

Grating: 2400 lpmm/BH
Nominal dispersion 0.74 nm/mm for 2400 lpmm/BH grating.
Wavelength bin @ 3mm slit size= 2.22 nm
Wavelength bin @ 0.2mm slit size= 0.148 nm
Grating is 2400lpmm/BH and entrance slit width is 0.2mm unless otherwise stated.

Readings taken for spectrum recording.

FW1     FW2     CWL(nm) Exp(s)  File    Remarks
-------+-------+-------+-------+-------+----------------------------+
NB2(02) BP2(00) 276.7   80      016     3mm slit. Fiber open.
NB2(02) BP2(00) 276.7   80      017     3mm slit. Fiber covered.
NB2(02) BP2(00) 276.7   40      018     3mm slit. Fiber open.
NB2(02) BP2(00) 276.7   40      019     3mm slit. Fiber covered.
NB2(02) BP2(00) 276.7   80      020     Fiber open.
NB2(02) BP2(00) 277.05  80      021     Fiber open. Very faint.
NB2(02) BP2(00) 276.95  80      022     Fiber open. Very faint.
NB2(02) BP2(00) 276.45  80      023     Fiber open.
NB2(02) BP2(00) 276.20  80      024     Fiber open.
NB2(02) BP2(00) 275.95  80      025     Fiber open.
NB2(02) BP2(00) 275.95  80      026     Fiber closed.
-------+-------+-------+-------+-------+----------------------------+