• 传输波前畸变为 λ/4
• 针对 450 - 700nm 范围采用增透膜
• 提供的光学密度介于 0.1 至 4.0 之间
• 另外提供吸收性中性密度 (ND) 滤光片
通用规格
基底: | ND Filter Glass |
涂层: | BBAR (450-700nm) |
表面质量: | 80-50 |
阻断波长范围 (nm): | 400 - 700 |
有效孔径 (%): | 90 |
传输波前，P-V (λ): | λ/4 |
平行度（弧秒）: | <30 |
涂层规格: | Ravg ≤1.0% @ 450 - 700nm @ 0° |
产品描述
精密吸收性中性密度 (ND) 滤光片采用 SCHOTT NG 彩色玻璃基片，经过抛光可实现 λ/4 的传输波前畸变 (TWFD)。这些滤光片的两个表面都镀有 450 - 700nm 的增透 (AR) 膜，从而减少了背向反射，并降低了滤光片堆叠的损耗和伪影。精密吸收性中性密度 (ND) 滤光片能提供从 0.1 到 4.0 的光学密度，可以进行堆叠以实现定制的光学密度，从而满足应用要求。这些中性密度滤光片具有 25mm 直径或 50mm 的方形尺寸，非常适用于机器视觉、成像或低功率激光应用。
技术数据
订购信息
Dia (mm) | 尺寸 (mm) | 玻璃/滤波器编号 | 光密度 OD（平均） | 厚度 (mm) | 透射率 (%) | 产品编码 |
25.00 | SCHOTT NG12 | 0.1 ±10% @ 550nm | 4.95 (nominal) | 79.43 | 16-047 | |
50.00 x 50.00 +0.00/-0.25 | SCHOTT NG12 | 0.1 ±10% @ 550nm | 4.95 (nominal) | 79.43 | 16-048 | |
25.00 | SCHOTT NG11 | 0.2 ±10% @ 550nm | 1.52 (nominal) | 63.10 | 16-049 | |
50.00 x 50.00 +0.00/-0.25 | SCHOTT NG11 | 0.2 ±10% @ 550nm | 1.52 (nominal) | 63.10 | 16-050 | |
25.00 | SCHOTT NG11 | 0.3 ±10% @ 550nm | 2.84 (nominal) | 50.12 | 16-051 | |
50.00 x 50.00 +0.00/-0.25 | SCHOTT NG11 | 0.3 ±10% @ 550nm | 2.84 (nominal) | 50.12 | 16-052 | |
25.00 | SCHOTT NG11 | 0.4 ±10% @ 550nm | 3.78 (nominal) | 39.81 | 16-053 | |
50.00 x 50.00 +0.00/-0.25 | SCHOTT NG11 | 0.4 ±10% @ 550nm | 3.78 (nominal) | 39.81 | 16-054 | |
25.00 | SCHOTT NG5 | 0.5 ±10% @ 550nm | 2.11 (nominal) | 31.62 | 16-055 | |
50.00 x 50.00 +0.00/-0.25 | SCHOTT NG5 | 0.5 ±10% @ 550nm | 2.11 (nominal) | 31.62 | 16-056 | |
25.00 | SCHOTT NG5 | 0.6 ±10% @ 550nm | 2.54 (nominal) | 25.12 | 16-057 | |
50.00 x 50.00 +0.00/-0.25 | SCHOTT NG5 | 0.6 ±10% @ 550nm | 2.54 (nominal) | 25.12 | 16-058 | |
25.00 | SCHOTT NG5 | 0.7 ±10% @ 550nm | 2.95 (nominal) | 19.95 | 16-059 | |
50.00 x 50.00 +0.00/-0.25 | SCHOTT NG5 | 0.7 ±10% @ 550nm | 2.95 (nominal) | 19.95 | 16-060 | |
25.00 | SCHOTT NG5 | 0.8 ±10% @ 550nm | 3.38 (nominal) | 15.85 | 16-061 | |
50.00 x 50.00 +0.00/-0.25 | SCHOTT NG5 | 0.8 ±10% @ 550nm | 3.38 (nominal) | 15.85 | 16-062 | |
25.00 | SCHOTT NG4 | 0.9 ±10% @ 550nm | 1.75 (nominal) | 12.59 | 16-063 | |
50.00 x 50.00 +0.00/-0.25 | SCHOTT NG4 | 0.9 ±10% @ 550nm | 1.75 (nominal) | 12.59 | 16-064 | |
25.00 | SCHOTT NG4 | 1.0 ±10% @ 550nm | 1.96 (nominal) | 10.00 | 16-065 | |
50.00 x 50.00 +0.00/-0.25 | SCHOTT NG4 | 1.0 ±10% @ 550nm | 1.96 (nominal) | 10.00 | 16-066 | |
25.00 | SCHOTT NG4 | 1.5 ±10% @ 550nm | 2.90 (nominal) | 3.16 | 16-067 | |
50.00 x 50.00 +0.00/-0.25 | SCHOTT NG4 | 1.5 ±10% @ 550nm | 2.90 (nominal) | 3.16 | 16-068 | |
25.00 | SCHOTT NG3 | 2.0 ±10% @ 550nm | 2.06 (nominal) | 1.00 | 16-069 | |
50.00 x 50.00 +0.00/-0.25 | SCHOTT NG3 | 2.0 ±10% @ 550nm | 2.06 (nominal) | 1.00 | 16-070 | |
25.00 | SCHOTT NG3 | 2.5 ±10% @ 550nm | 2.44 (nominal) | 0.32 | 16-071 | |
50.00 x 50.00 +0.00/-0.25 | SCHOTT NG3 | 2.5 ±10% @ 550nm | 2.44 (nominal) | 0.32 | 16-072 | |
25.00 | SCHOTT NG3 | 3.0 ±10% @ 550nm | 2.92 (nominal) | 0.10 | 16-073 | |
50.00 x 50.00 +0.00/-0.25 | SCHOTT NG3 | 3.0 ±10% @ 550nm | 2.92 (nominal) | 0.10 | 16-074 | |
25.00 | SCHOTT NG9 | 4.0 ±10% @ 550nm | 2.82 (nominal) | 0.01 | 16-075 | |
50.00 x 50.00 +0.00/-0.25 | SCHOTT NG9 | 4.0 ±10% @ 550nm | 2.82 (nominal) | 0.01 | 16-076 |
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