470nm Low Pass Filter
|
Parameter |
470nm Low Pass Filter |
|
CWL |
470±10nm |
|
Peoduct size |
custom (Square of round) |
|
Transmission wavelength |
350nm-460nm |
|
Optical density |
>OD2-OD6 |
|
Product material |
K9,BK7,B270,D263T |
|
Surface quality |
60-40,40-20 |
The 470nm Low Pass Filteris designed to transmit light wavelengths shorter than 470nm while blocking longer wavelengths, ensuring excellent spectral separation and high transmission efficiency. This makes it an essential component in fluorescence imaging, spectroscopy, biomedical instruments, machine vision, and laser-based applications.
Key Technical Featuresof Optical Glass Filters
Material Options:High-quality optical glass, fused silica, or customer-specified materials
Coating:Durable dielectric coating for high transmission and blocking performance
Optical Density (OD):Up to OD 6 blocking above 470nm
Surface Quality (Scratch-Dig):40/20, 20/10 available for high-precision needs
Flatness (Surface Accuracy):λ/4 to λ/10 at 633nm
Tolerance:Diameter ±0.1mm (custom tighter tolerance upon request)
Clear Aperture:≥90% of total dimension
Shape:Circular, square, or customized
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