Holographic Concave Gratings

Holographic Concave Gratings (for monochromators)
Holographic Concave Gratings (for monochromators)

These gratings are aberration-corrected concave holographic gratings for monochromators. The entrance slit will be imaged at its exit with minimum distortion. The wavelength from exit slit is selected by the rotation of the grating. The angle between the incident beam and the selected diffraction beam are fixed.

Holographic Concave Gratings (for monochromators)

Code

Grooves (per mm)

Wavelength Range(nm)
Blaze Wavelength(nm)
La (mm)
Lb (mm)
2φ Degrees
Blank Dimension W x L(mm)
50-01
1200
300-950
400
100
94
51.2
φ50.8
50-02
1200
200-950
250
100
94
61.6
32x32
50-03
1200
100-300
150
100
94
61.6
32x32
50-04
800
300-1200
500
100
94
61.6
32x32
50-05
600
400-1600
700
100
94
61.6
32x32
50-06
300
800-3200
1500
100
94
61.6
32x32
50-07
800
300-1200
500
200
188
61.6
40x45
50-08
600
400-1600
700
200
188
62.6
40x46
50-09
300
800-3200
1500
200
188
63.6
40x47
50-10
570
1100-2500
1700
203.9
184.1
38.0
φ90
50-11
544
1000-1800
1300
64
64
12.0
φ38
50-12
500
1700-2500
1900
64
67.18
12.0
φ38

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Wavelength Range:
to
um
Spectral Resolution:
nm
Blazing Wavelength (λb):
um
Efficiency @ λb:
@TM
@TE
F# of Incident Beam:
Deviation Angle:
degrees
Substrate Radius:
mm
Substrate Material:
Substrate Size (LxWxH):
mm
Coating Material:
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