发布时间：2022年04月
产品描述
尺寸介于直径½英寸至12英寸不等
每个直径75mm或更大的λ/20平晶都带有校准证书
具有标准金属反射镜镀膜：λ/10反射镜及λ/20反射镜
| 涂层: | Uncoated |
| 构造 : | Single Surface |
| 平行度（弧分）: | ≤3 |
| 表面质量: | 60-40 |
光学平晶主要作为参考（测光板），可用来对比未知光学表面的平滑度。每片光学平晶都经过我们专业验光师的巧手精打磨而成，并使用Zygo干涉仪进行测试以确保表面精度。单面光学平晶的第二层表面则经过高度的磨光，以达到可观察干涉样式的窗口片质量。每个光学平晶都放置于一个非常结实的盒子中用于保存。直径75mm或更大的λ/20平晶都带有校准证书。
产品信息
| 表面平整度 | Dia. (mm) | 厚度(mm) | 基底 | 产品编码 |
| λ/20 | 12.70 | 3.30 | Fused Silica (Corning 7980) | #43-400-000 |
| λ/20 | 12.70 | 3.30 | ZERODUR® | #43-404-000 |
| λ/10 | 12.70 | 3.30 | Fused Silica (Corning 7980) | #43-319-000 |
| λ/10 | 12.70 | 3.30 | ZERODUR® | #43-327-000 |
| λ/20 | 25.40 | 12.70 | Fused Silica (Corning 7980) | #43-408-000 |
| λ/20 | 25.40 | 12.70 | ZERODUR® | #43-412-000 |
| λ/10 | 25.40 | 12.70 | Fused Silica (Corning 7980) | ******/td> |
| λ/10 | 25.40 | 12.70 | ZERODUR® | #32-195-000 |
| λ/20 | 50.80 | 12.70 | Fused Silica (Corning 7980) | #43-416-000 |
| λ/20 | 50.80 | 12.70 | ZERODUR® | #43-420-000 |
| λ/10 | 50.80 | 12.70 | Fused Silica (Corning 7980) | ******/td> |
| λ/10 | 50.80 | 12.70 | ZERODUR® | #32-199-000 |
| λ/20 | 76.20 | 19.05 | Fused Silica (Corning 7980) | #47-573-000 |
| λ/20 | 76.20 | 19.05 | ZERODUR® | #48-117-000 |
| λ/10 | 76.20 | 19.05 | Fused Silica (Corning 7980) | ******/td> |
| λ/10 | 76.20 | 19.05 | ZERODUR® | #31-391-000 |
| λ/20 | 101.60 | 19.05 | Fused Silica (Corning 7980) | #47-574-000 |
| λ/20 | 101.60 | 19.05 | ZERODUR® | #48-118-000 |
| λ/10 | 101.60 | 19.05 | Fused Silica (Corning 7980) | ******/td> |
| λ/10 | 101.60 | 19.05 | ZERODUR® | #31-392-000 |
| λ/20 | 152.40 | 25.40 | Fused Silica (Corning 7980) | #47-575-000 |
| λ/20 | 152.40 | 25.40 | ZERODUR® | #48-119-000 |
| λ/10 | 152.40 | 25.40 | Fused Silica (Corning 7980) | ******/td> |
| λ/10 | 152.40 | 25.40 | ZERODUR® | #31-393-000 |
| λ/20 | 203.20 | 38.10 | Fused Silica (Corning 7980) | #49-048-000 |
| λ/20 | 203.20 | 38.10 | ZERODUR® | #49-049-000 |
| λ/10 | 203.20 | 38.10 | Fused Silica (Corning 7980) | #31-390-000 |
| λ/10 | 203.20 | 38.10 | ZERODUR® | #31-394-000 |
| λ/10 | 254.00 | 38.10 | Fused Silica (Corning 7980) | #46-715-000 |
| λ/20 | 254.00 | 38.10 | Fused Silica (Corning 7980) | #65-879-000 |
| λ/10 | 304.80 | 38.10 | Fused Silica (Corning 7980) | #69-921-000 |
| λ/20 | 304.80 | 38.10 | Fused Silica (Corning 7980) | #65-880-000 |
