785nm RazorEdge二向色镜-激光分光镜
- 激光波长 = 785 nm
- 过渡带宽126 cm-1
- 透过率Tavg > 93% 从795.2 – 1213.8 nm
- Flatness / RWE: 激光等级
LPD02-785RU-25
Description
785nm RazorEdge二向色镜-激光分光镜
滤光片型号：LPD02-785RU-25
Theoretical Spectrum for Part Number:LPD02-785RU-25
LPD02-785RU-25二向色镜-激光分光镜透过率曲线，Semrock
785nm RazorEdge二向色镜-激光分光镜，25 mm直径，3.5mm厚度
每个分光镜反射以 45° 入射的标准激光线，同时有效通过较长的拉曼位移波长。滤光片从反射到透射表现出超陡的过渡，U 级版本的过渡宽度保证小于激光波长的 1%。这款激光二向色分光镜经过优化，可反射直径高达 2.5 毫米的激光束，同时最大限度地减少反射波前差RWE。
滤光片参数：
| Optical Specifications | Value |
|---|---|
| Transmission Band 1 | Tavg > 93% 795.2 – 1213.8 nm |
| Reflection Band 1 | Rabs > 94% 785 nm |
| Reflection Band 1 (p-pol) | Rabs > 90% 785 nm |
| Reflection Band 1 (s-pol) | Rabs > 98% 785 nm |
| Edge Wavelength 1 | 792.9 nm |
| Edge Steepness (%) | 0.5% |
| Edge Steepness (cm-1) | 63.4 cm-1 |
| Edge Steepness (nm) | 3.9 nm |
| Laser Wavelength 1 | 785 nm |
| Transition Width (nm) | 7.9 nm |
| Transition Width (cm-1) | 126 cm-1 |
| General Filter Specifications | Value |
| Angle of Incidence | 45 degrees with a shift of <= 0.20%/degree (35 – 55 degrees) |
| Cone Half-angle | 0.5 degrees |
| Optical Damage Rating | 1 J/cm² @ 532 nm (10 ns pulse width) |
| Reflected Wavefront Error | < 6λ P-V RWE @ 632.8 nm |
| Steepness | Ultra Steep |
| Flatness / RWE Classification | Laser |
| Physical Filter Specifications | Value |
| Transverse Dimensions (diameter) | 25 mm |
| Transverse Tolerance | +0/-0.1mm |
| Filter Thickness (mounted) | 3.5 mm |
| Filter Thickness Tolerance (mounted) | ± 0.1 mm |
| Scratch-Dig | 60-40 |
| Substrate Type | Fused Silica |
| Filter Thickness (unmounted) | 2.0 mm |
| Filter Thickness Tolerance (unmounted) | ± 0.1 mm |
| Orientation | Arrow on ring indicates preferred direction of propagation of light. |
