Spectrometer |
OceanOptics* NIRQuest 512 |
| Detector |
Hamamatsu G9204-512 InGaAs linear array (cooled) |
| Scanning range: |
850nm - 1700 nm |
| Number of Pixels |
512 |
| Pixel Size |
25 µm x 500 µm |
| Pixel Well Depth |
~100.000 electrons |
| Optical Design |
f/4, Symmetrical crossed Czerny-Turner |
| Focal length |
42mm input |
| Aperture |
standard 50 µm wide slit, other sizes are possible (10, 25, 50, 100, 200) |
| Grating |
Grating NIR3, 150 l/mm, 900-1700 nm |
| Filter |
OF1-RG830 longpass NIR filter, to block second- and third-order light |
| Optical Fiber connector |
SMA 905 to 0.22 NA single-strand optical fiber |
| Optical resolution |
With 50μm slit ~3.6nm (FWHM), with different slit size 2.0nm - 12.3nm |
| Signal-to-noise ratio |
15000:1 @ 100msec integration, 13000:1 @ 1000msec |
| A/D resolution |
16 bit |
| Dark noise |
6 RMS counts @ 100msec integration, 12 RMS counts @ 1000msec |
| Acquisition time |
1 milliseconds to 120 seconds |
| Corrected linearity |
>99.8% |
| |
|
