Product Descriptions:
| Characteristics: | 460nm Narrow Bandpass Filter |
| Central Wavelength (CWL): | 460+-5nm or specified* |
| Full Width at Half Maximum(FWHM): | 40 or specified |
| Peak Transmittance(%) : | >92% or specified |
| Optical Density (OD): | 60/40 scratch-dig |
| Color: | Purple |
| Dimension(mm): | specified** |
| Thickness(mm): | 0.21-0.3mm |
| Substrate: | Ultra-clear glass |
| Remark: Spectral range:200-1200nm *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 – 460nm Bandpass filter:
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| Picture 1: BP460nm Spectral Graph measurement |
What is 460nm narrow bandpass filter?
A 460nm narrow bandpass filter is an optical component specifically designed to transmit light within a narrow window centered at 460nm while efficiently blocking light at all other wavelengths. Its defining characteristic is its narrow transmission bandwidth, which enables extremely high wavelength selectivity.
What is typical application for 460nm narrow bandpass filters?
460nm narrow bandpass filters play an essential role in fluorescence detection systems, flow cytometry, fluorescence microscopes, and bioimaging instruments, where they enable the observation of blue-excited or blue-emitting biological markers and fluorescent probes. Moreover, these filters also serve commonly in color sensors, industrial optical sorting equipment, environmental monitoring devices, and spectral analysis systems. As a result, they significantly improve the signal-to-noise ratio, ensure measurement accuracy, and isolate specific blue spectral signals for precise detection and analysis.
What is key parameter when choose for right 460nm narrow bandpass filter?
When selecting 460nm narrow bandpass filters, the bandwidth (FWHM) will be one of key parameter to be designated, it determines how much of the spectrum around 460nm is allowed to pass. Secondly, Peak and Average Transmittance, e.g., 90%,95%…etc. higher transmittance might need Anti-reflective(AR) coating. Third, Optical Density / OD, this specifies how effectively the filter blocks light at all wavelengths other than the 460nm band. Forth, angle of incidence (AOI). Fifth, substrate material, e.g.,B270, BK7, fused silica or quartz. Sixth, physical dimensions, 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.
Other typical Bandpass filters in stock from Liyuan Optoelectronics include BP810 BP820 BP830 BP840 BP850 BP860 BP870 BP880 BP890 BP…etc.








