Echelle replica gratings are special low period gratings designed for use in high orders only. The maximum possible resolution is obtained but, in general, it is necessary to use a second grating or prism to separate out the overlapping diffracted orders. Echelle replica gratings are an ideal solution for high-resolution spectroscopy due to their high dispersion in high orders.
| Model | Description |
|---|---|
| GE2550-0363 | Echelle Grating, 31.6 Grooves/mm, 63° Blaze, 25 mm x 50 mm x 9.5 mm |
| GE2550-0863 | Echelle Grating, 79.0 Grooves/mm, 63° Blaze, 25 mm x 50 mm x 9.5 mm |
| GE2550-0875 | Echelle Grating, 79.0 Grooves/mm, 75° Blaze, 25 mm x 50 mm x 9.5 mm |
| GE2550-3263 | Echelle Grating, 316 Grooves/mm, 63° Blaze, 25 mm x 50 mm x 9.5 mm |
