389 nm BrightLine 荧光图像分离二向色镜
- 二向色镜边缘波长 389 nm
- 反射率Ravg > 97%, 350 – 382 nm
- 透过率Tavg > 93%, 396 – 850 nm
- 平面度Flatness / 反射波前差RWE: Image-splitting级别
滤光片型号:FF389-Di01-25x36x1.5

FF389-Di01-25x36x1.5 荧光图像分离二向色镜透过率曲线,Semrock
389 nm BrightLine 荧光图像分离二向色镜,25.2 mm x 35.6 mm,厚度 1.5 mm
Semrock提供多种二向色镜分束器,具有陡峭的边缘和非常高的反射和透射率。这款二向色镜分束器经过优化,可以反射直径高达10毫米的成像光束,同时极大限度地减少反射波前差RWE。
| Optical Specifications | Value |
|---|---|
| Transmission Band 1 | Tavg > 93% 396 – 850 nm |
| Reflection Band 1 | Ravg > 97% 350 – 382 nm |
| Edge Wavelength 1 | 389 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 | < 2λ P-V RWE @ 632.8 nm |
| Steepness | Standard |
| Flatness / RWE Classification | Image-splitting |
| 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) | 1.5 mm |
| Filter Thickness Tolerance (unmounted) | ± 0.1 mm |
| Orientation | Reflective surface marked with part number – Orient in direction of incoming light |