概述
- Base material: K9
- Available in four sizes: Ø12.5mm, Ø25mm, 12.5×17.5mm, 25×36mm
- Usage: light filtering, beam splitting
Dimension-Labs dichroic mirrors can divide the beam into transmitted light and reflected light according to wavelength, and are widely used in scenarios such as beam splitting, beam combination, and fluorescence excitation spectroscopy. Longpass dichroic mirrors reflect beams smaller than the starting wavelength and pass through beams larger than the starting wavelength. Long wavelength dichroic lenses are available in four sizes: Ø12.5mm, Ø25mm, 12.5×17.5mm, and 25×36mm; A wide range of starting wavelengths are available, ranging from 425 to 850nm; The average transmittance and average reflectance within the specified wavelength range can reach more than 90%; The angle of incidence is 45°.
Precautions for use: When using long-wave pass dichroic lenses, please wear finger covers, do not touch the surface with your hands directly, and gently wipe the surface of the lens with dust-free mirror paper dipped in absolute alcohol when cleaning.
General parameters
| Material | K9 | Angle of incidence | 45° |
| Dimensional tolerances(mm) | +0.0/-0.1 | Thickness tolerance(mm) | ±0.2 |
| Transmittance | Tavg＞90% |
Reflectivity | Ravg＞98% |
| Through-light aperture | ＞90% |
Through the wavefront difference | λ/4@633nm |
| Parallelism | ＜30〞 |
Surface | 60/40 |
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