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Custom Size K9 Optical Filter, AR Coated
High-performance 640nm bandpass filter for fluorescence applications with 90% transmittance and durable K9 glass.
Core attributes
- Material
- K9
- Size
- Custom
- Thickness
- Custom
- Surface Quality
- 40/20
- Transmittance
- 90%
- Filter Type
- bandpass
- Cwl
- 640nm
- Fwhm
- 20nm
- Coating
- anti-reflective (AR)
- Transmission bands
- VIS (400-700 nm)
Product facts
Key attributes
- Material
- K9
- Size
- Custom
- Thickness
- Custom
- Surface Quality
- 40/20
- Transmittance
- 90%
- Filter Type
- bandpass
- Cwl
- 640nm
- Fwhm
- 20nm
- Coating
- anti-reflective (AR)
- Transmission bands
- VIS (400-700 nm)
Product description
This bandpass filter is designed for fluorescence applications, effectively transmitting wavelengths around the center wavelength of 640 nm with a full width at half maximum (FWHM) of 20 nm. With a high transmittance of 90%, it ensures optimal light delivery for enhanced imaging performance. The filter’s durable K9 glass material and anti-reflective coating provide reliable performance across various conditions, making it suitable for demanding environments.
Key Features
- High transmittance of 90% ensures maximum light efficiency for fluorescence applications.
- Center wavelength of 640 nm with a narrow FWHM of 20 nm for precise spectral fit.
- Surface quality of 40/20 guarantees minimal distortion and high clarity.
- Durable K9 glass with anti-reflective coating enhances environmental durability.
- Custom support available for OEM, ODM, and OBM projects.
Applications
Fluorescence
Specification Summary
| Item | Value |
|---|---|
| Material | K9 |
| Size | Custom |
| Thickness | Custom |
| Surface Quality | 40/20 |
| Transmittance | 90% |
| Filter Type | bandpass |
| Cwl | 640nm |
| Fwhm | 20nm |
| Coating | anti-reflective (AR) |
| Transmission bands | VIS (400-700 nm) |
Full Specifications
| Parameter | Value |
|---|---|
| Transmittance | 90% |
| Customized Support | OEM, ODM, OBM |
| Warranty | 3 Years |
| Color | Clear Transparent |
| Clear Aperture | 80%~95% |
| Radius Tolerance | +/-0.5% |
| Centration | <3 Arcmin |
FAQ
Can I get custom sizes?
Custom sizes are not specified, but OEM and ODM support is available.
What are the tolerances for this filter?
The radius tolerance is +/-0.5%, and centration is within <3 Arcmin.
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