The 913nm Narrow Bandpass Reflective Optical Filter is designed for
optical systems requiring precise wavelength selection in the near-infrared spectral region.
Featuring a 913nm center wavelength, the filter provides controlled
spectral transmission around the target wavelength while
suppressing unwanted wavelengths outside the passband.
The filter usesblack optical glassas the substrate and a precision
multilayer reflective optical coatingto achieve stable spectral
performance and high out-of-band blocking.
The black glass substrate combined with the precision optical
coating provides a suitable platform for demanding NIR sensing, imaging and detection applications.
Designed for optical systems operating around the913nm near-infrared wavelength.
The use ofblack optical glassprovides a specialized substrate solution
for optical filtering applications requiring strong spectral control.
The narrowband filter structure is designed to selectively transmit the r
equired spectral region while suppressing unwanted wavelengths.
Strong blocking outside the passband helps reduce unwanted spectral
components and optical interference.
The advanced multilayer coating provides controlled wavelength
characteristics and consistent optical performance.
The filter is designed for applications requiring accurate wavelength selection and repeatable optical performance.
The optical glass and coating structure support stable spectral characteristics
for long-term optical system operation.
The precision coating provides durability and resistance suitable for demanding optical applications.
| Parameter | Specification |
|---|---|
| Product Type | Narrow Bandpass Reflective Optical Filter |
| Center Wavelength | 913nm |
| Filter Type | Narrow Bandpass Filter |
| Spectral Region | Near Infrared / NIR |
| Substrate | Black Optical Glass |
| Coating | Precision Multilayer Reflective Optical Coating |
| Blocking | High out-of-band blocking |
| Blocking Range | Outside passband |
| Transmission | Uniform transmission within applicable passband |
| Wavelength Accuracy | High |
| Spectral Repeatability | High |
| Coating | Multilayer Optical Coating |
| Environmental Stability | High durability and environmental resistance |
| Shape | Customizable |
| Size | Customizable |
| Thickness | Customizable |
| Other Wavelengths | Available upon request |
| Application | NIR Sensing, Imaging, Detection, Optical Instruments, Industrial Equipment |
The filter is designed around the913nm target wavelength,
providing controlled spectral selection for NIR optical systems.
The reflective coating structure helps suppress unwanted
wavelengths outside the applicable passband.
High out-of-band blocking can help reduce unwanted
spectral signals reaching downstream detectors.
The precision multilayer coating is designed to provide
consistent optical characteristics during long-term use.
The filter is suitable for optical systems where repeatable wavelength selection is important.
The combination of black optical glass and multilayer coating
provides a robust optical component for integration into professional equipment.
The 913nm filter can be used in NIR sensing systems requiring
controlled spectral selection around the 913nm wavelength.
Suitable for imaging and detection systems requiring selective NIR wavelength filtering.
Can be integrated into optical detection equipment where unwanted out-of-band wavelengths need to be suppressed.
Suitable for precision optical instruments requiring narrowband spectral filtering.
Can be used in industrial optical equipment for sensing, measurement and inspection applications.
Suitable for near-infrared imaging systems requiring controlled spectral transmission.
Can be integrated into optical measurement equipment requiring wavelength-selective filtering.
Custom dimensions and optical specifications can be supplied for OEM equipment integration.
913nm target wavelength
Narrowband spectral selection
Black optical glass substrate
Precision multilayer reflective coating
High out-of-band blocking
High wavelength accuracy
High spectral repeatability
Stable optical performance
Durable coating structure
Environmental resistance
Custom wavelengths
Custom sizes
Custom shapes
Custom thicknesses
OEM / ODM support
Suitable for NIR optical systems
We support customized narrowband optical filters for different NIR and optical system requirements.
Center wavelength
Spectral bandwidth
Blocking requirement
Filter diameter
Length
Width
Thickness
Round shape
Square shape
Custom shape
Coating design
Transmission requirements
Out-of-band blocking
OEM dimensions
Custom labeling
OEM packaging
For an accurate quotation, please provide:
Center Wavelength + Bandwidth + Blocking Requirement +
Size + Thickness + Quantity + Application
If available, customers can also provide anoptical transmission curve,
technical drawing or existing samplefor engineering evaluation.
A typical manufacturing workflow includes:
Black Optical Glass Selection → Cutting → Grinding → Polishing →
Cleaning → Precision Multilayer Coating → Spectral Testing →
Dimensional Inspection → Surface Inspection → Final QC → Protective Packaging
Production processes can be adjusted according to the
customer's optical and mechanical requirements.
Quality inspection can include:
Center wavelength
Spectral transmission
Out-of-band blocking
Coating uniformity
Surface quality
Surface defects
Edge quality
Diameter / length / width
Thickness
Appearance
Coating adhesion
Environmental stability
Specific inspection criteria can be defined according to the customer's final optical specifications.
Each optical filter is individually protected against:
Dust
Scratches
Moisture
Mechanical damage
Packaging solutions are available for:
Sample orders
Small quantity orders
Bulk orders
OEM projects
High-volume production
International shipments
Custom OEM labeling and packaging are also available.
The target center wavelength is913nm.
It is anarrow bandpass reflective optical filterdesigned for near-infrared applications.
The substrate isblack optical glass.
The filter uses aprecision multilayer reflective optical coating.
Yes. It is designed withhigh blocking outside the passbandto suppress unwanted wavelengths.
Yes. It is specifically designed fornear-infrared sensing, imaging and detection systems.
Yes. Other wavelengths are available upon request.
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