Anfatec Instruments AG
Measurement Science and Technology &
Scanning Probe Microscopy

Spec64
The Fiber Coupled High Speed Raman Spectrometer


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Specifications of the High-Speed Raman Spectrometer Spec64

Optical Characteristics


Spectrometer layout Single grating Czerny-Turner spectrometer
Focal length 200 mm
Numerical aperture max. 0.12
Grating size 50 mm x 50 mm
Wavelength range 400 nm to 900 nm

Electrical and Mechanical Specifications


Computer interface USB 2.0
Power supply 12 V DC (provided)
Dimensions 347 mm (L) x 232.5 mm (W) x 155 mm (H)
Double housing as ambient light protection

Spectral Resolution

with 1800 l/mm grating and 50 µm optical fiber
Center wavelength 532 nm 633 nm 785 nm
Spectral dispersion [nm/mm] 2 1.8 1.4
Technical resolution [cm-1/pixel] 1 0.64 0.3
Spectrometer resolution [cm-1] 5 3.5 2
Spectral coverage of full CCD [cm-1] 2100 1300 650
Spectral coverage of full CCD [nm] 60 52 40
Other gratings are available on request.

Positioning Accuracy


Grating positioning resolution 0.00006°
Wavelength accuracy over full wavelength range ± 0.2 nm
Wavelength repeatability ± 0.01 nm

Characteristics of the CCD


Sensor image size ~ 27 mm x ~ 0.5 mm
Active pixels (horizontal) 2048
Hermetic sealing Quartz glass window
Time per spectrum min. 10 ms
CCD node sensitivity < 8 µV/e-
CCD dark current at 25 °C typ. < 80 e-/pixel/s
Operation Temperature 11 °C ± 0.5 °C
Dynamic range 1:50000
Spectral response range 200 nm to 1100 nm
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The image shows the typical quantum efficiency of the CCD without quartz window.