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    Products
Gratings
Plane Ruled Gratings
High Energy Laser Gratings
Wide-Band Infrared Gratings
Echelle Gratings
Plane Holographic Gratings
Concave Holographic Gratings for Flat-Field Spectrograph
Concave Holographic Gratings for Monochromator
Transmission Gratings
Concave Holographic Gratings for Monochromator

Using aberration-corrected monochromator grating, a single concave grating disperses, collimates and refocuses the light from the entrance slit onto the exit slit. The angle between the incident beam and the selected diffraction beam are fixed. Wavelength scanning is obtained through a simple rotation of the grating. These gratings are computer-optimized to produce high quality images with a minimum of astigmatism and coma.

Part
Number
Grooves
(l/mm)
Spectral Region
(nm)
Blaze Wavelength
(nm)
Substrate
Radius
(mm)
Ra
(mm)
Rb
(mm)
2K
Ruled Area
(HW mm2)
H31-001
1200
200-800
210
112
100
94
61.6
3232
H31-002
1200
250-800
250
112
100
94
61.6
3232
H31-003
1200
250-800
290
112
100
94
61.6
3232
H31-004
1200
200-800
200
224
200
188
61.6
4045

 

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