Products
High Performance Narrow Band Bandpass Filter
We provides a standard product of high-performance narrow band pass filter with a diameter of 12.5mm and 25mm in package and unpackaged versions and a wavelength of 355nm-1064nm laser wavelength. The filter has a narrow bandwidth ( FWHM1.3nm~FWHM3nm), high transmittance (Tmax> 90%), deep cut-off depth (ODmax> 6), etc., which are widely used in microscopic imaging, spectroscopy, biochemical analysis instruments, life sciences, education and scientific research And other related fields. We can also offer custom coatings according to your requirements.
| Material | Fused Silica |
| Diameter Tolerance | ＋0.0/-0.1mm |
| Mount Thickness | 3.5mm |
| Substrate Thickness | 2.0mm（* Thickness 1.05mm） |
| Substrate Thickness Tolerance | ±0.1mm（* Thickness Tolerance±0.05mm） |
| Surface Quality | 60-40 |
| AOI | 0±2° |
| Clear Aperture | ≥10mm（Φ12.5mm） ≥22mm（Φ25mm） |
| Laser Damage Threshold | 0.1J/cm2@532nm (10ns pulse width) |
| Note | Arrow on ring indicates preferred direction of propagation of light |
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