Product Name | Optical Glass IR cut-off Longpass/Shortpass Filter |
Longpass Filters | Also known as Longpass Edge Filters, are designed to transmit wavelengths greater than the cut-on wavelength of the filter |
Shortpass Filters | Also known as Shortpass Edge Filters, are used to transmit wavelengths shorter than the cut-off wavelength of the filter. |
Usage | Microscopy or fluorescence instrumentation |
Coating Specification | Surface 1: Hard Dielectric Sputtered Surface 2: AR Coated |
1.Material | BK7 Glass, Fused Silica or Color glass |
2.Dimensional tolerances | 0/-0.1mm |
3.Clear aperture | >90% |
4.Surface flatness | Lambda/2@633nm |
5.Parallelism | 1 Arc minute |
6.Surface Quality | US Standard 40-20,ISO Standard 3X0.25 |
7.Edge Chip | <0.1mm |
8.Bevel | Based on clients' requests |
9.Coating | AR, HR, PR or based on clients' requests |