Spectrometer
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OceanOptics* QE65000
|
Detector |
Hamamatsu S7031-1006 (cooled) |
Scanning range: |
200nm - 1100 nm |
Number of Pixels |
1024 x 58 (1044 x 64 total pixels) |
Pixel Size |
24.576 μm2
|
Pixel Well Depth |
1000 Ke-
|
Sensitivity |
~0.065 counts / e- |
Quantum efficiency |
90% peak; 65% at 250 nm |
Optical Design |
f/4, Symmetrical crossed Czerny-Turner |
Focal length |
101.6 mm input and output |
Aperture |
standard 50 µm wide slit, other sizes are possible (5, 10, 25, 50, 100, 200) |
Grating |
Grating #HC1, with OFLV filter best efficient 200nm - 950nm |
OFLV-QE filter |
OFLV Variable Longpass Order-sorting Filter, to block second- and third-order light |
Optical Fiber connector |
SMA 905 to 0.22 NA single-strand optical fiber |
Optical resolution |
For 50μm slit ~2.4nm (FWHM), for different slit size 0.14nm - 7.7nm |
Signal-to-noise ratio |
1000:1 |
A/D resolution |
16 bit |
Dark noise |
3 RMS counts |
Dark current |
4000 e-/pixel/sec @ 25 ºC; 200 e-/pixel/sec @ 0 ºC |
Acquisition time |
8 milliseconds to 15 minutes |
Corrected linearity |
>99.8% |
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