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Spectrographs

Acton Series Datasheets

Acton Advanced Datasheets

Model Focal Length Aperture Ratio PMT Resolution* CCD Resolution** Linear Dispersion*
SP2300A 300mm f/3.9 0.1 nm 0.14 nm 2.38 nm/mm
SP2500A 500mm f/6.5 0.05 nm 0.09 nm 1.52 nm/mm
SP2750A 750mm f/9.8 0.03 nm 0.06 nm 1.03 nm/mm


*with 1200g/mm grating @ 435.8nm
and 10 micron slit width
and 4mm slit height

** with 1200g/mm grating @ 435.8nm
20micron pixel, 20micron slit width

Acton Standard Datasheets

Model Focal Length Aperture Ratio PMT Resolution* CCD Resolution** Linear Dispersion*
SP2150 150mm f/4.0 0.4 nm 0.4 nm 4.17 nm/mm
SP2300 300mm f/3.9 0.1 nm 0.14 nm 2.38 nm/mm
SP2500 500mm f/6.5 0.05 nm 0.09 nm 1.52 nm/mm
SP2750 750mm f/9.8 0.03 nm 0.06 nm 1.03 nm/mm


*with 1200g/mm grating @ 435.8nm
and 10 micron slit width
and 4mm slit height

** with 1200g/mm grating @ 435.8nm
20micron pixel, 20micron slit width

Download Princeton Instruments 52-page Spectroscopy brochure (4 MB)


Grating Options

Groove Density
Blaze Wavelength
Sizes (mm)
Efficiency Curve
50 g/mm
600 nm
32 x 32
68 x 68
68 x 84
75 g/mm
8 um
68 x 68
150 g/mm
1.25 um
68 x 68
150 g/mm
4 um
32 x 32
68 x 68
68 x 84
150 g/mm
300 nm
32 x 32
68 x 68
68 x 84
150 g/mm
500 nm
32 x 32
68 x 68
68 x 84
150 g/mm
800 nm
32 x 32
68 x 68
68 x 84
300 g/mm
1 um
32 x 32
68 x 68
68 x 84
300 g/mm
1.2 um
68 x 68
300 g/mm
2 um
32 x 32
68 x 68
68 x 84
300 g/mm
300 nm
32 x 32
68 x 68
68 x 84
300 g/mm
500 nm
32 x 32
68 x 68
68 x 84
300 g/mm
750 nm
32 x 32
68 x 68
68 x 84
600 g/mm
1 um
32 x 32
68 x 68
68 x 84
600 g/mm
1.25 um
68 x 68
600 g/mm
1.6 um
32 x 32
68 x 68
68 x 84
600 g/mm
150 nm
68 x 68
600 g/mm
300 nm
32 x 32
68 x 68
68 x 84
600 g/mm
500 nm
32 x 32
68 x 68
68 x 84
600 g/mm
750 nm
32 x 32
68 x 68
68 x 84
1200 g/mm
150 nm
68 x 68
1200 g/mm
300 nm
32 x 32
68 x 68
68 x 84
1200 g/mm
500 nm
32 x 32
68 x 68
68 x 84
1200 g/mm
750 nm
32 x 32
68 x 68
68 x 84
1200 g/mm
holographic
UV optimized
32 x 32
68 x 68
68 x 84
1200 g/mm
holographic
VIS optimized
32 x 32
68 x 68
68 x 84
1800 g/mm
500 nm
32 x 32
68 x 68
68 x 84
1800 g/mm
holographic
UV optimized
32 x 32
68 x 68
68 x 84
2400 g/mm
150 nm
68 x 68
2400 g/mm
240 nm
32 x 32
68 x 68
68 x 84
2400 g/mm
holographic
UV optimized
32 x 32
68 x 68
68 x 84
2400 g/mm
holographic
VIS optimized
32 x 32
68 x 68
68 x 84
3600 g/mm
130 nm
68 x 68
3600 g/mm
240 nm
32 x 32
68 x 68
68 x 84
3600 g/mm
holographic
UV optimized
32 x 32
68 x 68
68 x 84