Product Descriptions:
| Characteristics: | 810nm Bandpass Filter |
| Type: | Bandpass Filter |
| Central Wavelength (CWL): | 810+-5nm |
| Full Width at Half Maximum(FWHM): | 45nm |
| Peak Transmittance(%) : | >95% |
| Cut-off depth: | OD2-OD3 |
| Shape: | Square, Round, Irregular Shape |
| Color: | Black |
| Surface Quality: | 60/40 scratch-dig |
| Dimension(mm): | specified** |
| Thickness(mm): | specified*** |
| Substrate: | Ultra-clear glass,K9,BK7,B270,D2637T, Quartz Glass(Fused Silica) or other specified. |
| Remark: Spectral range:350-1100nm *Customized capability: 380-2500nm, stock for 10nm intervals. **Common for 86x86mm, 80x80mm, other can customized, max. 300x300mm *** Thickness available: 0.21、0.3、0.55、0.7、1.0、1.1、1.5、1.8、2.0、3.0mm, etc. | |
Measured Spectral Graph – 810nm Bandpass filter:
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| Picture 1: BP810-45nm+AR Spectral Graph measurement |
What is typical application for 810nm bandpass filters?
An 810nm bandpass filter is an optical device that allows only a very narrow band of light centered at 810 nanometers to pass through, while effectively blocking all other wavelengths, including the entire visible spectrum. Typical application for 810nm bandpass filter is very broad, include fiber optic communications and telecommunications, laser-based sensing and LiDAR, industrial machine vision and automation, medical and biomedical devices, scientific research and spectroscopy, defense and security, etc.
What is key parameter when choose for right bandpass filter?
When selecting a bandpass filters, the center wavelength (CWL) will be one of key parameter to be designated, it refer to the wavelength at which the filter achieves maximum transmission. Secondly, Peak and Average Transmittance, typically ≥80–95%, higher transmittance might need Anti-reflective(AR) coating. Third, full width at half maximum (FWHM). Forth, Blocking Range & Depth. Fifth, substrate material, e.g., BK7, B270, fused silica, colored glass. Sixth, surface quality, e.g., 60/40, 40/20. Seventh, Size & Shape, etc.
Shenzhen Hengda Liyuan Optoelectronics introduced advanced optical technology that apply depositing nanomaterials through ion-assisted evaporation onto a multilayer hard film in a high vacuum environment which coating layer is firm and has good tightness, and small bandwidth drift. Liyuan optoelectronics have been focus on optical coating for more than 17 years and offer one-stop optical filters solution including Narrow Bandpass Filters, IR cut-off Filters, Longpass & Short Filters, Notch Filters, ND filters, Star filters and Optical sapphire block.
Other typical Bandpass filters in stock from Liyuan Optoelectronics include BP810 BP820 BP830 BP840 BP850 BP860 BP870 BP880 BP890 BP…etc.
