SL100M Imaging Spectrograph > SOL

 Optical scheme:

 Horizontal?symmetrical, astigmatism-compensated

 F/number:

 1/3.3

 Focal length:

 99.3 mm

 Objectives:

 Achromatized, distortion-compensated

 Flat field:

 28 x 8 mm (20 x 8 mm with C-mount adapter)

 Diffraction grating size:

 40 x 40 x 6 mm

 Stray light (20 nm from 632.8 nm laser line):

 9 х 10^-4?

 Horizontal magnification:

 1.2

 Vertical magnification:

 1

 Vertical spatial resolution:

 50 ?m

 Control:

 Manual, with micrometer screw

 Mechanism:

 Sine

 Reading accuracy (micrometer):

 1 nm

 Model:?

 SL100M?

 SL100M-UV?

 Diffraction grating:

 400 l/mm 500 nm

 400 l/mm 300 nm

 Wavelengths range limited by

 the constructive parameters:

 360 - 1100 nm

 200 - 1100 nm

 Wavelengths range with 

 diffraction   grating efficiency >40%:

 265 - 1000 nm

 200 - 600 nm

 Reciprocal linear dispersion 

 (at blaze wavelength)

 18.38 nm/mm

 19.21 nm/mm

 Spectral resolution:

 <0.35 nm="" td="">

 0.37 nm="" td="">?

 Repeatability:

 ± 0.1 nm

 ± 0.1 nm

 Wavelength accuracy:

 ± 1 nm

 ± 1 nm

 Control:

 Manual, with micrometer screw

 Opening width:

 Smoothly regulated from 0 up to 2.0 mm

 Parallelism:

 ± 1 ?m

 Accuracy (slit width 1 mm):

 ± 10 ?m

 Repeatability:

 ± 1.5 ?m

 Reading accuracy (micrometer):

 2 ?m

 Overall sizes (L x W x H):

 190 х 175 х 160 mm

 Weight:

 2 kg