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Notch filters are widely used in spectral detection and fluorescence imaging. Their specialized thin-film design efficiently blocks specific narrow-band wavelengths while transmitting other wavelengths with high efficiency, enabling spectral separation and stray light suppression.
Payment :
T/T PaymentProduct Origin :
ChinaShipping Port :
Fuzhou, ChinaGlass Notch Filter
Product Overview:
A notch filter is an optical element that selectively and strongly attenuates optical signals within a specific wavelength band while transmitting the remaining wavelengths with high efficiency. This enables optical signal separation, spectral purification, and background noise suppression.
Applications:
Spectral analysis
Fluorescence detection
Laser systems
| Specification | |||||
| Materials | Optical glass, UVFS, Si, etc | ||||
| Size | 1-200 mm | ||||
| Surface Flatness | 2λ to λ/10 @632.8 nm | ||||
| Effective clear aperture | 90% | ||||
| Surface quality | 80/50 to 40/20 S/D | ||||
| Optical density | OD1 to OD6 | ||||
| Coating | Upon Request | ||||
Transmission Curve:

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