* 取决于光栅的起始波长;波长越长,色散越大,分辨率越高。
狭缝宽度 (µm) | ||||||
光栅线对数/mm | 10 | 25 | 50 | 100 | 200 | 500 |
300 | 0.60-0.70* | 1.10-1.30* | 2.20-2.40* | 4.60 | 9.00 | 20.0 |
600 | 0.30-0.36* | 0.58-0.68* | 1.17 | 2.20 | 4.50 | 10.0 |
830 | 0.25 | 0.48 | 0.93 | 1.7 | 3.40 | 8.0 |
1200 | 0.14-0.18* | 0.30 | 0.62 | 1.08 | 2.20 | 5.0 |
1800 | 0.09-0.11* | 0.18 | 0.36-0.40* | 0.78 | 1.50 | 3.7 |
2400 | 0.07-0.09* | 0.13-0.15* | 0.26-0.32* | 0.40-0.64* | 1.10 | 2.7 |
3600 | 0.05-0.06* | 0.10 | 0.19 | 0.4 | 0.8 | 2.0 |