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25 mm B270 Optical Filter
640nm bandpass filter with 98% transmittance and OD>2 blocking density, ideal for fluorescence microscopy and optical applications.
Core attributes
- Material
- B270
- Size
- 25 mm
- Thickness
- Custom
- Surface Quality
- 80/50
- Transmittance
- 98%
- Filter Type
- bandpass
- Cwl
- 640nm
- Fwhm
- 50nm
- Coating
- iad-pvd
- Transmission bands
- VIS (400-700 nm)
Product facts
Key attributes
- Material
- B270
- Size
- 25 mm
- Thickness
- Custom
- Surface Quality
- 80/50
- Transmittance
- 98%
- Filter Type
- bandpass
- Cwl
- 640nm
- Fwhm
- 50nm
- Coating
- iad-pvd
- Transmission bands
- VIS (400-700 nm)
Product description
This 640nm bandpass filter is designed for applications requiring high transmittance and effective blocking of unwanted wavelengths. With a center wavelength of 640nm and a full width at half maximum (FWHM) of 50nm, it ensures optimal performance in fluorescence microscopy and other optical applications. The filter is made from B270 glass and features an IAD-PVD coating for enhanced durability and reliability.
Key Features
- 98% transmittance ensures maximum light throughput for enhanced imaging.
- Bandpass filter type effectively isolates the desired wavelength range.
- Blocking density of OD>2 at 450-1000nm minimizes interference from unwanted light.
- Customizable options available for OEM, ODM, and OBM projects.
- Surface quality of 80/50 guarantees minimal distortion in optical applications.
Specification Summary
| Item | Value |
|---|---|
| Material | B270 |
| Size | 25 mm |
| Thickness | Custom |
| Surface Quality | 80/50 |
| Transmittance | 98% |
| Filter Type | bandpass |
| Cwl | 640nm |
| Fwhm | 50nm |
| Coating | iad-pvd |
| Transmission bands | VIS (400-700 nm) |
Full Specifications
| Parameter | Value |
|---|---|
| Transmittance | 98%; T>98% |
| Customized Support | OEM, ODM, OBM |
| Warranty | 3 Years |
| Coating Region | Single-sided or double-sided |
| Blocking Density | OD>2@450-1000nm |
| Tolerance | ± 0.10mm |
| Certification | ISO9001,RoHs,EPR |
| Shipment | Express delivery,Air,Sea |
FAQ
Can I get custom sizes?
Yes, customizable options are available for OEM, ODM, and OBM projects.
What are the tolerances for this filter?
The tolerance for this filter is ± 0.10mm.
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