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产品介绍
| 品牌 | Edmund Optics |
|---|
球差补偿板通用规格:
色散系数 (vd):
64.17
倒角:
Protective as needed
有效孔径 (%):
>85
涂层:
Uncoated
热膨胀系数 CTE (10-6/°C):
7.1 (-30 to +70°C)
8.3 (+20 to +300°C)
8.3 (+20 to +300°C)
密度 (g/cm3):
2.51
边缘:
Fine Ground
折射率 nd:
1.516
努氏硬度 (kg/mm2) :
610
平行度（弧分）:
<1
泊松比 :
0.206
基底:
N-BK7
表面质量:
60-40
波长范围 (nm):
350 - 2200
杨氏模量 (GPa) :
82
Type of Window:
Glass
| 产品编码 | 像差 | 色散系数 (vd) | 倒角 |
| 66-749 | +0.25λ ±λ/16 @ 587nm | 64.17 | Protective as needed |
| 66-750 | -0.25λ ±λ/16 @ 587nm | 64.17 | Protective as needed |
| 66-751 | +0.50λ ±λ/16 @ 587nm | 64.17 | Protective as needed |
| 66-752 | -0.50λ ±λ/16 @ 587nm | 64.17 | Protective as needed |
| 66-753 | +1.00λ ±λ/16 @ 587nm | 64.17 | Protective as needed |
| 66-754 | -1.00λ ±λ/16 @ 587nm | 64.17 | Protective as needed |
| 66-755 | +0.25λ ±λ/16 @ 587nm | 64.17 | Protective as needed |
| 66-756 | -0.25λ ±λ/16 @ 587nm | 64.17 | Protective as needed |
| 66-757 | +0.50λ ±λ/16 @ 587nm | 64.17 | Protective as needed |
| 66-758 | -0.50λ ±λ/16 @ 587nm | 64.17 | Protective as needed |
| 66-759 | +1.00λ ±λ/16 @ 587nm | 64.17 | Protective as needed |
| 66-760 | -1.00λ ±λ/16 @ 587nm | 64.17 | Protective as needed |
许多光学系统曾经由于球差的缘故而导致成像质量和系统性能受到影响。而我们的TECHSPEC®球差校正板可在设计波长下补偿校正这些球差。本品非常适合用在小视场的球差校正，用时请靠近入瞳。通过使用这种球差校正板可补偿光学系统的球差，标有负号的可用于校正正球差系统，而标有正号的可补偿负球差系统。
注释: 球差补偿板上的箭头指示光的方向。
