Dichroic Longpass Filters
Original price was: $119.00.$83.30Current price is: $83.30.
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Our TECHSPEC® Dichroic Longpass Filters are designed for a 45° angle of incidence. The rejected light is reflected at 90°, making these filters ideal for use in fluorescence applications or as spectral beamsplitters. These hard coated filters feature low polarization dependence, broad spectral ranges, and a precision fused silica substrate. Reflection and transmission curves are available to easily integrate TECHSPEC® Dichroic Longpass Filters into any application.
Hard coatings are used to increase durability while maintaining performance. The hard coating provides Dichroic Longpass Filters with high resistance to humidity, temperature, and abrasion, while also reducing the risk of damage when being handled.
- Ideal for Fluorescence or Multispectral Imaging
- Sharp Cut-On Wavelength
- Broad Transmission and Reflection Ranges
| Angle of Incidence (°) | 45 |
|---|---|
| Substrate | Fused Silica (Corning 7980) |
| Coating | Hard Coated |
| Reflection (%) | >97, Average Polarization >95, Absolute Polarization |
| Surface Quality | 60-40 |
| Thickness (mm) | 1.05 |
| Thickness Tolerance (mm) | ±0.1 |
| Transmission (%) | >85, Average Polarization >80, Absolute Polarization |
| Dimensional Tolerance (mm) | +0.0/-0.2 |
| Transmitted Wavefront Tolerance | λ/4 |
| Cut-On Tolerance (%) | ±2 |
| Slope Factor (%) | 3.00 |
| Environmental Durability | Humidity per MIL-STD-810H, Section 507.6Temperature per MIL-STD-810H, Section 501.7 and 502.7 |
| Physical Durability | Adhesion per MIL-PRF-13830B, Section C.4.5.12Moderate abrasion per MIL-PRF-13830B, Section C.4.5.11Cleaning per MIL-C-48497A Section 4.5.4.2 |
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