Ocean Optics MMS Raman - Manual (Page 17)

Appendix A
Specifications
Specification Value
Spectral Range 220-2200 cm -1
Spectral Resolution ~4 cm -1
Grating (*) 1200 lines/mm Transmissive Volume phase grating
CCD specifications:
Chip Hamamatsu CCD
Pixel Array 512 x 122 Active pixels
Pixel Size 24 x 24 microns
Well Capacity 300,000 electrons
Quantum Efficiency 85% at 250 nm
Dark Noise 200 e - /pixel/sec @ 0 o C
A/D resolution 16 bits
Exposure Time 50ms to 100 s
Detector readout noise 8 e - RMS
Gain 4.7 e - /ADC count
Cooling to 20 o C below ambient temperature
Laser Source Requirements:
Lasing Wavelength: 785 nm
Power Output: > 70 mW
Spectral Line-width: < 0.2 nm
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