* 取決于光柵的起始波長；波長越長，色散越大，分辨率越高。
狹縫寬度 (μm) | ||||||
光柵線對數/mm | 10 | 25 | 50 | 100 | 200 | 500 |
300 | 1.0 | 1.4 | 2.5 | 4.8 | 9.2 | 21.3 |
600 | 0.40-0.53* | 0.7 | 1.2 | 2.4 | 4.6 | 10.8 |
830 | 0.32 | 0.48 | 0.93 | 1.7 | 3.4 | 8.5 |
1200 | 0.20-0.28* | 0.27-0.38* | 0.52-0.66* | 1.1 | 2.3 | 5.4 |
1800 | 0.10-0.18* | 0.20-0.29* | 0.34-0.42* | 0.8 | 1.6 | 3.6 |
2400 | 0.09-0.13* | 0.13-0.17* | 0.26-0.34* | 0.44-0.64* | 1.1 | 2.7 |
3600 | 0.06-0.08* | 0.10 | 0.19 | 0.4 | 0.8 | 1.8 |
