Grooves
Grating type
Blaze
Correction range
Dimensions
[mm-1]
[nm]
[mm2]
2500
blazed
250
240-300
? 64x12
1900
400
250-650
1500
sinus
450
330-850
?64x12
1400
230
340-800
?50x10
200-750
1300
200-890
?52x10
850
?30x8
1221
230-1000
?50x8
ion
500
350-1000
185-900
?34x7
1200
180-800
800
600-1100
1053
200-1100
?56x10
1000
200-900
190-1100
190-850
?64x8
950
200-800
?32x7
700
1600
1000-2000
?90x12
651
?64x10
650
527
300
456
2000
1100-2500
(1)all imaging gratings are holographically exposed blazed- sawtooth profile ion- ion etched sawtooth profile sine- sinusoidal profile (2)the efficiency maximum of holographically blazed gratings can vary between 210 and 250nm (3)adaptable to experimental conditions (4)given thickness is the center thickness preferred materials are NBK7 and ZKN7 l.g. - lateral grinded (5) monochromator difference D = b-a (6) D= 106 cos b/(LB*G) [nm/mm] (7) for entrance slit width 50μm (8) see drawing (9) related to shortest waveleng 單色儀光柵標淮產品
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