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Spectrographs

Acton Series Datasheets

Acton Standard Datasheets

Model Focal Length Aperture Ratio PMT Resolution* CCD Resolution** Linear Dispersion*
SP2150 150 mm f/4.0 0.4 nm 0.4 nm 4.17 nm/mm
SP2300 300 mm f/3.9 0.1 nm 0.14 nm 2.38 nm/mm
SP2500 500 mm f/6.5 0.05 nm 0.09 nm 1.52 nm/mm
SP2750 750 mm f/9.7 0.03 nm 0.06 nm 1.03 nm/mm


Acton Series 2750

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

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


Acton InSight EFP Spectrograph
Extended Focal Plane

Model Focal Length Aperture Ratio CCD Resolution* Linear Dispersion**
InSight EFP 300 mm collimating
338 mm focusing		 f / 3.9 0.10 nm
center focal plane		 2.20 nm/mm

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

** with 1200g/mm grating @ 435.8nm


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
900 g/mm
550 nm
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
850 nm
32 x 32
68 x 68
68 x 84
1200 g/mm
blazed 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
blazed holographic
UV optimized
32 x 32
68 x 68
68 x 84
1800 g/mm
holographic
VIS 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
blazed 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