The 980nm Narrow Bandpass Reflective Optical Filteris designed for
optical systems requiring accurate wavelength
selection around the 980nm near-infrared region.
With a 980nm center wavelength and 20nm FWHM bandwidth,
the filter provides a controlled transmission window around the target
wavelength while suppressing unwanted wavelengths outside the passband.
The filter featuresOD4 blocking performance, helping reduce unwanted
out-of-band optical signals and improve spectral selectivity in
demanding detection and sensing systems.
A high-qualityoptical glass substrate is combined
with a precision multilayer reflective coating to achieve stable
optical performance and reliable long-term operation.
Designed for optical systems operating around the980nm near-infrared
wavelength, supporting precise spectral selection.
The specified20nm FWHMprovides a controlled narrow
transmission band around the 980nm target wavelength.
TheOD4 blocking depth provides strong attenuation of applicable
unwanted out-of-band wavelengths.
The multilayer coating is designed to provide high transmission around the target wavelength.
The precision optical multilayer coating provides controlled spectral
characteristics and stable optical performance.
High-quality optical glass provides a reliable substrate for precision
optical coating and optical system integration.
The precision optical surface supports integration into demanding
optical assemblies requiring controlled spectral performance.
Custom wavelength, bandwidth, dimensions and other optical
specifications can be discussed according to the customer's system requirements.
| Parameter | Specification |
|---|---|
| Product Type | Narrow Bandpass Optical Filter |
| Center Wavelength | 980nm |
| FWHM | 20nm |
| Blocking Depth | OD4 |
| Filter Type | Narrow Bandpass Filter |
| Spectral Region | Near Infrared / NIR |
| Substrate | Optical Glass |
| Coating | Precision Multilayer Reflective Optical Coating |
| Transmission | High transmission at center wavelength |
| Blocking | Out-of-band wavelengths effectively suppressed |
| Surface Quality | Precision Optical |
| Shape | Custom Available |
| Size | Custom Available |
| Thickness | Custom Available |
| Other Wavelengths | Available upon request |
| Application | Laser Systems, LiDAR, Infrared Detection, Medical Instruments, Optical Sensing |
The filter is centered at980nm, providing targeted wavelength selection for near-infrared optical systems.
The20nm FWHMbandwidth provides a defined spectral transmission
region while reducing unwanted wavelengths outside the target band.
OD4 blocking helps suppress unwanted out-of-band optical energy,
supporting improved spectral discrimination.
Effective out-of-band suppression can help reduce unwanted
light reaching the detector, improving the optical signal environment.
The precision multilayer coating is designed to achieve controlled
spectral characteristics and stable optical performance.
The optical glass substrate and precision coating provide a
stable solution for integration into optical instruments and sensing systems.
The 980nm narrow bandpass filter can be used as a spectral
selection component in near-infrared LiDAR and optical detection
systems where filtering requirements match the specified 980nm band.
Suitable for NIR detectors and optical sensing systems
requiring controlled transmission around 980nm.
Can be integrated into laser-based optical systems requiring
narrowband wavelength selection and suppression of unwanted spectral components.
Suitable for optical sensors and detection equipment designed
around the 980nm spectral region.
Can be considered for medical optical instruments requiring
near-infrared spectral filtering, subject to the specific system optical requirements.
Useful for measurement systems requiring controlled
spectral transmission and out-of-band suppression.
Can be incorporated into near-infrared imaging systems
where wavelength selection around 980nm is required.
Suitable for industrial detection, measurement
and inspection systems requiring narrowband NIR filtering.
We provide customized narrow bandpass optical filters for different optical system requirements.
Customization options include:
For an accurate quotation, please provide:
Center Wavelength + FWHM + OD/Blocking Requirement + Size + Thickness + Quantity + Application
If available, customers can also provide anoptical transmission curve, technical drawing or existing filter samplefor engineering evaluation.
A typical manufacturing workflow includes:
Optical Glass Selection → Cutting → Grinding → Polishing →
Cleaning → Precision Multilayer Coating → Spectral Testing →
Dimensional Inspection → Surface Inspection → Final QC → Protective Packaging
The manufacturing process can be adjusted according
to the customer's optical and mechanical specifications.
Quality inspection can include:
Inspection requirements can be customized according to the customer's project specifications.
Each optical filter is individually protected against dust, scratches and mechanical damage.
Packaging solutions are available for:
Custom labeling and OEM packaging can also be provided.
The center wavelength is980nm.
The specified bandwidth is20nm FWHM.
OD4 represents an optical density level of 4 for the applicable
blocking region, indicating strong attenuation of unwanted out-of-band light.
The filter usesoptical glassas the substrate.
The filter uses aprecision multilayer reflective optical coating.
Yes. The filter is designed forhigh transmission around the 980nm center wavelength.
The specifiedOD4 blocking performance provides suppression of applicable out-of-band wavelengths.
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