China Infrared Beam Splitter Filter (BS) - High-Efficiency Suppliers & Factory for Precision Optical Solutions
The above list shows our current stock items.
If you don't see what you are looking for, please contact us.
Q: What substrate materials are used for these bandpass filters?
A: We use high-quality materials including D263T glass, Silicon (Si), Germanium (Ge), and wedge-shaped Germanium (Ge) depending on the target spectral range and performance requirements.
Q: What dimensions and sizes are available for the filters?
A: Our standard stock dimensions range from Φ0.1 mm up to 300 mm. Custom shapes and sizes can also be manufactured based on your specifications.
Q: Can I request a custom wavelength range not listed in the table?
A: Yes, if your required wavelength band or specifications are not listed in our current stock table, please contact us directly to discuss custom coating and design options.
Q: What is the average transmission (Tavg) of these optical filters?
A: Most of our stock bandpass filters feature high transmission rates, with average transmission (Tavg) reaching ≥80%, ≥85%, ≥90%, or even up to ≥97% depending on the specific model.
Q: How do I read the spectrogram details for a specific product?
A: You can click the thumbnail in the "Spectrogram" column of the product table to view the detailed spectral response curve and transmission characteristics for each filter model.







