Ruled Plane Gratings

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Grooves Density (l/mm)	Blaze Wavelength	Blaze Angle	Max Replica Dimensions (mm)	Reference
1800	330 nm	17°27'	90x90x16	510 01
1800	500 nm	26°45'	90x90x16	510 02
1800	630 nm	34°32'	68x68x9	510 03
1200	250 nm	8°38'	58x58x10	510 04
1200	330 nm	11°25'	58x58x10	510 05
1200	400 nm	13°53'	58x58x10	510 06
1200	500 nm	17°27'	58x58x10	510 07
1200	630 nm	22°12'	58x58x10	510 08
1200	750 nm	26°45'	58x58x10	510 09
1200	1 µm	36°52'	58x58x10	510 10
900	350 nm	9°00'	90x90x16	510 91
900	550 nm	14°30'	58x58x10	510 93
900	1.5 µm	42°27'	76x76x16	510 97
600	300 nm	5°10'	110x110x16	510 11
600	400 nm	6°54'	110x135x25	510 12
600	500 nm	8°38'	120x140x20	510 13
600	750 nm	13°00'	90x90x16	510 14
600	1 µm	17°27'	120x140x20	510 15
600	1.5 µm	26°45'	110x110x16	510 16
600	2 µm	36°52'	110x110x16	510 17
300	250 nm	2°09'	110x110x16	510 50
300	500 nm	4°18'	120x140x20	510 18
300	600 nm	5°10'	120x140x20	510 19
300	1 µm	8°38'	110x110x16	510 20
300	2 µm	17°27'	110x110x16	510 21
300	3 µm	26°45'	120x140x20	510 22
300	4 µm	36°52'	120x140x20	510 23
150	500 nm	2°09'	110x110x16	510 49
150	1.2 µm	5°10'	110x110x16	510 24
150	2 µm	8°38'	110x110x16	510 25
150	4 µm	17°27'	120x140x20	510 26
150	5 µm	22°01'	120x140x20	510 27
150	6 µm	26°45'	120x140x20	510 28
150	8 µm	36°52'	110x110x16	510 29
120	2.5 µm	8°39'	110x110x16	510 30
120	5 µm	17°27'	120x140x20	510 31
120	7.5 µm	26°45'	120x140x20	510 32
100	450 nm	1°17'	110x110x16	510 48
100	3 µm	8°38'	110x110x16	510 33
100	6 µm	17°27'	120x140x20	510 34
100	9 µm	26°45'	120x140x20	510 35
75	4 µm	8°38'	110x110x16	510 36
75	8 µm	17°27'	110x110x16	510 37
75	12 µm	26°45'	110x110x16	510 38
60	10 µm	17°27'	90x90x16	510 39
60	15 µm	26°45'	110x110x16	510 40
50	12 µm	17°27'	110x110x16	510 42
50	18 µm	26°45'	110x110x16	510 43
50	24 µm	36°52'	110x110x16	510 44
40	22.5 µm	26°45'	90x90x16	510 45
30	30 µm	26°45'	90x90x16	510 46
20	40 µm	26°45'	76x76x16	510 47

Grating Size Table

Size Code	Blank Size
020	25x25x8
050	34x34x10
070	30x40x10
080	44x44x10
090	44x60x10
330	50x50x6
110	58x58x10
120	68x68x9
140	76x76x16
150	90x90x16
160	80x110x16
180	110x110x16
190	110x135x25
200	120x140x20

We indicate the blaze angle (a) which is given by the formula:
2a sina = kl_B, where a is the groove spacing, k is the diffraction order (usually k=1) and l_B is the blaze wavelength (in Littrow configuration).

Ruled area: extends to within a 2-4 mm border around the grating edge

Standard substrate material is Pyrex; on request, substrates including fused silica, Zerodur, ULE, metals, or other materials can be considered.

Standard coating is aluminium. On request, AlMgF₂, gold or platinum are also available for an additional cost.