Prism Vs Grating | Difference between Prism and Grating
This page compares Prism Vs Grating and mentions difference between Prism and Grating.
| Prism | Grating |
|---|---|
|
|
| It is made of Quartz, Calcite or Glass. | It is made of aluminium or material with bright surface (about 2500 to 60000 lines per inch). |
| It can work between 400 to 1000 nm regions. | It can work between 200 to 800 nm regions. |
| It's spectrum is not as pure as grating. | It's spectrum is much more pure as compare to prism. |
| 10 to 25 nm of ray band can be acquired. | 5 nm ray band can be acquired. |
| Dispersion of light is not sharp. | Dispertion of light is very sharp. |
| Ability of dispertion of light can not be extended. | Ability of dispersion of light can be extended by increasing lines per inch. |
| No ghost spectrum is acquired. | Ghost spectrum is acquired when lines are not proper on grating. |
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