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Custom Size B270 Optical Filter
940nm Band Pass Filter with 85% transmittance and hard coating for enhanced durability in optical applications.
Core attributes
- Material
- B270
- Size
- Custom
- Thickness
- Custom
- Transmittance
- 85%
- Cwl
- 940nm
- Coating
- hard-coat
- Transmission bands
- NIR (0.7-1.7 μm)
Product facts
Key attributes
- Material
- B270
- Size
- Custom
- Thickness
- Custom
- Transmittance
- 85%
- Cwl
- 940nm
- Coating
- hard-coat
- Transmission bands
- NIR (0.7-1.7 μm)
Product description
The 940nm Band Pass Filter is designed for applications requiring high transmission in the near-infrared spectrum, specifically for wavelengths between 0.7-1.7 μm. With a center wavelength of 940nm and a peak transmission of over 85%, this filter effectively blocks wavelengths outside its passband, ensuring optimal performance in fluorescence microscopy and other optical applications. The hard-coated surface enhances durability against environmental factors, making it suitable for various demanding applications.
Key Features
- Center wavelength of 940nm ensures precise spectral fit for NIR applications.
- Transmittance of 85% maximizes light throughput for enhanced imaging quality.
- Hard-coated surface provides increased durability and resistance to environmental factors.
- OD>3 for blocking wavelengths from 330-1100nm, ensuring minimal interference.
- Customized support available for OEM projects, accommodating specific application needs.
Specification Summary
| Item | Value |
|---|---|
| Material | B270 |
| Size | Custom |
| Thickness | Custom |
| Transmittance | 85% |
| Cwl | 940nm |
| Coating | hard-coat |
| Transmission bands | NIR (0.7-1.7 μm) |
Full Specifications
| Parameter | Value |
|---|---|
| Transmittance | 85% |
| Customized Support | OEM |
| Warranty | 3 Years |
| Filter Type | 940nm Band Pass Filter |
| Coating Type | Hard Coated |
| Center Wavelength | 940nm |
| Tolerance | ±3nm |
| Peak Transmission(Tp) | >85% |
| Blocking Band | OD>3,300-1100nm |
| Scratch-Dig | 60/40 |
FAQ
What is the tolerance for the center wavelength?
The tolerance for the center wavelength is ±3nm.
Is custom sizing available for this filter?
The filter supports OEM customization for specific sizing requirements.
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