875 nm BrightLine 多光子二向色镜
- 二向色镜边缘波长 875 nm
- 反射率Ravg > 98%， 350 – 857.5 nm
- 透过率Tavg > 93%， 892.5 – 1600 nm
- 平面度Flatness / 反射波前差RWE: Laser 级别
FF875-Di01-25×36
Description
875 nm BrightLine 多光子二向色镜
滤光片型号：FF875-Di01-25×36
Theoretical Spectrum for Part Number: FF875-Di01-25×36
FF875-Di01-25×36 多光子二向色镜透过率曲线，Semrock
875 nm BrightLine 多光子二向色镜，25.2 mm x 35.6 mm，厚度 1.1 mm
Semrock提供了一系列针对多光子应用中使用的脉冲激光器进行优化的二向色镜分束器。这些多光子二向色镜具有低GDD，有助于减少反射激光束的脉宽时间展宽，同时表现出具有非常高和平坦的反射和透射带的陡峭边缘。这种激光二向色镜分束器经过优化，可以反射直径高达2.5毫米的激光光束，同时极大限度地减少RWE。
这些是飞秒脉冲激光器的理想解决方案，如钛：蓝宝石（和OPO光参量振荡器）、掺钕和掺镱光纤和玻璃激光器，能够实现对比度提高的深部组织成像。
滤光片参数：
| Optical Specifications | Value |
|---|---|
| Transmission Band 1 | Tavg > 93% 892.5 – 1600 nm |
| Reflection Band 1 | Ravg > 98% 350 – 857.5 nm |
| Edge Wavelength 1 | 875 nm |
| General Filter Specifications | Value |
| Angle of Incidence | 45 ± 1.5 degrees |
| Cone Half-angle | 2 degrees |
| Optical Damage Rating | Testing has proven to show no signs of degradation when exposed to at least 6.0 W of power from an unfiltered xenon arc lamp over a 25 mm diameter (corresponding to 1.2 W/cm2) for over 500 hours. |
| Reflected Wavefront Error | < 6λ P-V RWE @ 632.8 nm |
| Steepness | Standard |
| Flatness / RWE Classification | Laser |
| Physical Filter Specifications | Value |
| Transverse Dimensions (L x W) | 25.2 mm x 35.6 mm |
| Transverse Tolerance | ± 0.1 mm |
| Clear Aperture | ≥ 80% (elliptical) |
| Scratch-Dig | 60-40 |
| Filter Thickness (unmounted) | 1.05 mm |
| Filter Thickness Tolerance (unmounted) | ± 0.05 mm |
| Orientation | Reflective surface marked with part number – Orient in direction of incoming light |
