1.Product Descriptions :
| Characteristics: | 670nm Longpass filters |
| Central Wavelength (CWL): | 670nm or specified |
| Peak Transmittance: | >90% or specified |
| Full Width at Half Maximum(FWHM): | 100nm |
| Cut-off depth: | OD2-OD6 |
| Dimension: | 56*12mm |
| Thickness: | 0.58mm or customized |
| Remark: | Can do customization per requirement |
2. Measured Spectral curve
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Picture 1: LP670nm Spectral Curve |
What is typical application for 670nm longpass filter?
What is key parameter when choose for right Longpass filters?
When selecting a Longpass filters, the center wavelength (CWL) will be one of key parameter to be designated, with a tolerance of generally +/-5nm or +/7nm which depend on the user inquiry. Secondly,Peak and Average Transmittance,e.g 90%,95%…etc. higher transmittance might need Anti-reflective(AR) coating.
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 Fitlers, IR cut-off Filters, Longpass & Short Filters,Notch Filters, ND filters, Star filters and Optical sapphire block.
other Longpass filters in stock from Liyuan Optoelectronics: LP430 LP500 LP560 LP600 LP650 LP800..etc.
