Spectrum Scientific, Inc.
 
 
 

Plane Holographic Diffraction Gratings
(click on spectral range to see efficiency curve)

  
Groove Frequency
(g/mm)
Peak Efficiency
(nm)
Useful Spectral Range (nm)
(efficiency 30% or greater)
Max. Size
(mm)
100
240
90 x 90
123
280
90 x 90
240
240
60 x 60
300
325
120 x 120
600
260
120 x 120
600
325
120 x 120
700
1550 (s-pol)
950-2800 (s-pol)
90 x 90
1200
240
90 x 90
1200
325
120 x 120
1200
450
330-1100
120 x 120
1200
600
90 x 90
1200
700
90 x 90
1200
1550 (TM )
90 x 90
1300
800
90 x 90
1440
250
90 x 90
1440
325
90 x 90
1740
1053 (s-pol)
90 x 90
1740
600
90 x 90
1800
225
90 x 90
1800
400
120 x 120
2322
300
120 x 120
2400
250
90 x 80
2400
300
90 x 90
2400
600
90 x 90
2880
240
90 x 90
3600
250
90 x 70
4200
250
90 x 50
     
 

For specifications on our standard Holographic Concave Gratings available for use in Flat Field Spectrographs, please click here

If the grating you require is not shown above, please contact our sales department as new gratings are added on a regular basis. Alternatively we can manufacture custom gratings to your specification.

Please Note: Grating efficiency curves are indicative only and may vary from master to master. Efficiency may also vary depending on measurement technique and geometry of use.

 
 
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