Detector:

2048 pixels - Sony ILX511 linear silicon CCD array

Useable range:

360-1000 nm (grating-dependent)

Sensitivity
(estimate):

• 
  

  400 nm: 75 photons/count

  
  


• 
  

  600 nm: 41 photons/count

  
  

Signal-to-Noise:

250:1 (at full signal)

Dark noise:

3.2 RMS counts

Grating:

Grating #3 -- groove density 600 lines per millimeter, 360-1000 nm, 500 nm blaze

Slit:

200 mm width (height is 1000 mm)

Detector collection

L4

Stray light:

< 0.05% at 600 nm
< 0.10% at 435 nm

Stray light:

< 0.05% at 600 nm
< 0.10% at 435 nm