Gratings

Toroidal Ion Etched Holographic Master Gratings

Grating Info

Toroidal Grating Monochromator

Devia tion (deg) Spectral range nm Spectral range eV Groove Density (l/mm) Blank dim (mm) Useful area(mm) lA (mm) lB (mm) Reference
150 8-32 30-155 1800 45 x 90 x 16 40 x 85 1146 1927 540 00 600
150 32-128 10-39 450 45 x 90 x 16 40 x 85 1146 1927 540 00 610
146 12.5-52.5 23-100 950 30 x 110 x 30 25 x 105 1000 1168 540 00 800
146 50-200 6-25 250 30 x 110 x 30 25 x 105 1000 1168 540 00 810
142 10-50 25-124 550 31 x 31 x 15 27 x 27 319.9 319.5 540 00 900
142 15-150 8-82 550 31 x 31 x 15 27 x 27 319.9 319.5 540 00 910
142 50-300 4-25 275 31 x 31 x 15 27 x 27 319.9 319.5 540 00 920
Toroidal Grating Monochromator Optical Layout
Toroidal Grating Monochromator Optical Layout

Toroidal Grating Spectrograph

Deviation (deg) Spectral range (nm) Spectral range (eV) Groove density (l/mm) Blank dim (mm) Useful area (mm) lA a (deg) lH(mm) ßH (deg) Reference
140 9.5 - 3.2 39 - 130 2105 12x34x10 8x22 292.1 -71.78 306.0 86.54 541 00 220
140 10- 10 11 - 124 450 12x34x10 8x22 292.1 -70.56 306.0 87.85 541 00 200
140 15.5 - 170 7 - 80 290 12x34x10 8x22 292.1 -70.56 306.0 87.85 541 00 210
Toroidal grating spectrograph optical layout
Toroidal grating spectrograph optical layout