北京波威科技有限公司代理的美國CVI廠家的IF干涉平板，也稱IF - Interferometer Flats。它是一個未鍍膜的光窗基底，兩面都被拋光，弧度為30±5分楔形邊緣。因此，它們經常作為其他鍍膜產品的基礎，例如W1，W2系列分束鏡，輸出耦合器，諧波分離器，分色鏡等等。
產品技術參數描述：
Specifications | |
Clear Aperture | ≥85% of central diameter |
Diameter | φ+0/-0.25 mm |
Optical Material | UV-grade fused silica, or N-BK7 glass |
Surface Quality | 10-5 scratch and dig |
Thickness | t±0.25 mm |
Transmitted Wavefront Error | λ/10 @ 633 nm |
Wedge | 30 ±5 minutes |
選型表：
Part Number | φ (in.) | φ (mm) | Optical Material | t (in.) | t (mm) |
IF-0512-UV | 12.7 | Fused Silica | 3.2 | ||
IF-0512-C | 12.7 | BK7 | 3.175 | ||
IF-0525-UV | 0.500 | 12.7 | Fused Silica | 0.250 | 6.4 |
IF-0725-UV | 0.750 | 19.1 | Fused Silica | 0.250 | 6.4 |
IF-1012-UV | 1.000 | 25.4 | Fused Silica | 0.125 | 3.2 |
IF-1025-UV | 1.000 | 25.4 | Fused Silica | 0.250 | 6.4 |
IF-1525-UV | 1.500 | 38.1 | Fused Silica | 0.250 | 6.4 |
IF-2025-UV | 2.000 | 50.8 | Fused Silica | 0.250 | 6.4 |
IF-2037-UV | 2.000 | 50.8 | Fused Silica | 0.375 | 9.5 |
IF-3050-UV | 3.000 | 76.2 | Fused Silica | 0.500 | 12.7 |
IF-4050-UV | 4.000 | 101.6 | Fused Silica | 0.500 | 12.7 |
IF-0525-C | 0.500 | 12.7 | BK7 | 0.250 | 6.4 |
IF-1025-C | 1.000 | 25.4 | BK7 | 0.250 | 6.4 |
IF-2037-C | 2.000 | 50.8 | BK7 | 0.375 | 9.5 |
