特点:
透过率:可达99%
zei窄带宽: 0.1nm
截至深度: ~OD10
波长范围: 250nm~6.2 μm可选
中心波长精度:0.05nm
透过波前差(RMS): zei优0.01λ per inch @ 632.8 nm
精密控制用的Flat-top Alluxa窄带滤光片Ultra
Alluxa窄带滤光片(Flat-top)片具有极佳的截至陡度,深度截至和正方形的光谱形状
Flat-top,超窄的带通滤波器特别设计,在整个通带中有极陡的边缘和高透过率。这个正方形的光谱形状可以达到0.1 nm的带宽。Flat-top窄带滤波器是理想的激光雷达、拉曼光谱和其他需要使用精密激光发射滤波器或激光清理过滤器的应用。
661.5-1 OD5 Ultra Narrow Bandpass
Ultra-narrowband interference filter centered at 661.5 nm with a 1 nm FWHM and wide-range out-of-band OD5 blocking. Alluxa ultra-narrow bandpass filters have the narrowest bandwidths and highest transmission currently available. All Alluxa filters are hard-coated, highly durable, and resistant to laser damage.
透过率:
OD值:
1650.96-0.8 OD4 Ultra Narrow Bandpass
Ultra Narrow filters bring new levels of performance to filters with very narrow bandwidth responses. Typically fully blocked to OD4 or OD6 and < 3 nm wide at FWHM, Alluxa Ultra Narrow Filters are uniquely steep and accurate. All Alluxa Ultra Narrow filters are fabricated with a proprietary durable, hard coating process. Even very narrow ( < 0.5 nm at FWHM ) Ultra Narrow filters typically have transmission values > 90%.
Item Number | 7088 |
Angle of Incidence | 0 Degrees |
Center Wavelength | 1650.96 nm Nominal |
FWHM | < 1.0 nm |
Transmission Band(s)? | 1650.96 nm > 90% T Absolute |
Blocking Level | OD4 |
Blocking Range(s)* | OD4: 1664 to 1800 nm, 300 to 1638 nm |
Filter Design | Multi-Cavity |
Substrate Type | Fused Silica |
Dimensions | 25.3 mm Diameter |
Filter Thickness | 2.0 mm |
Assembly Type | Anodized Aluminum Ring |
Assembly Thickness | 5.0 mm |
透过率:
OD值:
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