Product type: Absorbing Filter. Application: Lighting, Medical, Optical, Photography. Model: OF-0153.
Overview
The Narrow Band Pass Filter Infrared Red Glass 850nm IR Bandpass Filter is supplied as a bandpass filter made from Glass. Listed geometry: thickness Customize as Per Demand. Optical / electrical data: wavelength 200-2000nm. It is used in Lighting, Medical, Optical and Photography. Dimensions, material grade, coating and finish can be quoted to your drawing; the values above are the listed starting point.
Specifications
| Material | Glass |
|---|---|
| Type | Absorbing Filter |
| Shape | Customized |
| Wavelength Range | 200-2000nm |
| Usage | Lighting, Medical, Optical, Photography |
| Model NO. | OF-0153 |
| Thickness Range | Customize as Per Demand |
| Color | Customize as Per Demand |
| Principle | Selective Absorption Filter |
| Angle of incidence | 0° |
| Use | Optical Instruments |
| Design Wavelength | According to Demand |
| Thickness Tolerance | +/-0.02mm |
| Core Manufacturing Advantage | Vacuum Coating Technology |
| Biomedical | Microscope imaging, fluorescence detection, spectral screening for biochemical analyzers; |
| Industrial Inspection | Machine vision color recognition, thin film thickness measurement, metal surface defect detection; |
| Optical Communication | Optical fiber signal filtering, wavelength division multiplexing (WDM) systems; |
| Security Monitoring | Narrow-band filtering for infrared thermal imagers and night-vision equipment; |
| Core Function | Divides the spectrum into a "complete cut-off region" and an "efficient passband region", realizing complete blocking or transmission of specific wavelength ranges; |
| Short-Wave Pass Filter | Only allows short-wave light (e.g., ultraviolet, blue light) to pass through, blocking long-wave light (e.g., red light, infrared); |
| Long-Wave Pass Filter | Only allows long-wave light (e.g., infrared, red light) to pass through, blocking short-wave light (e.g., ultraviolet, blue light); |
| Unique Structure | Glass Substrate → Translucent Metal Layer → Magnesium Fluoride (MgF2) Interlayer → Translucent Metal Layer (forming a Fabry-Perot Etalon); |
| Direct Factory Supply | No middlemen markup, spot inventory for regular models (delivery within 72 hours), 15-20 days lead time for customized models; |
| Technical Support | Provides pre-sales spectral selection consultation and after-sales installation guidance, free sample testing available (freight to be negotiated). |
| Supplier | C-Laser (Taicang) Material Technology Co., Ltd. |
Technical data
| Technical Indicator | Parameter Specification | Indicator Description |
| Dimensional Tolerance | +0.0/-0.2mm | High-precision size control, suitable for automated equipment assembly, reducing assembly gaps |
| Surface Finish | 60-40 | Strict control of surface scratches and pits, stray light suppression rate >98%, improving optical imaging quality |
| Clear Aperture | >90% | High proportion of effective light-transmitting area, avoiding reduced light utilization caused by edge blocking |
| Parallelism | <1 arc min (Angular Minute) | Minimal parallelism error between the two light-transmitting surfaces, reducing optical axis deviation, suitable for high-precision optical systems |
What to specify when you request a quote
- Spectral target — listed as “200-2000nm”; state the centre or edge wavelength, the bandwidth and the minimum transmission in the passband.
- Blocking — give the blocking range and optical density (OD) the system needs.
- Angle of incidence — listed as “0°”; interference filters shift with angle, so specify the operating angle and cone.
- Size and thickness — listed as “Customize as Per Demand”; give outline, thickness and tolerance, and whether the filter is mounted.
- Substrate — listed as “Glass”; name the substrate glass if thermal or UV behaviour matters.
- Surface quality — quote scratch-dig for imaging paths.
Engineering guides for this part
For material grades and coating options, see Selecting Bandpass Filter Glass for Reliable Optical Performance. How parts like this are machined and finished is covered in Chalcogenide Glass Coating for IR Optical Components. For an application example, read Bandpass Filter Glass for Appliance Light Detection Modules. A related standard product is Bandpass Filter.
FAQ
What is the Narrow Band Pass Filter Infrared Red Glass 850nm IR Bandpass Filter made of? expand_more
It is listed as Glass. Other grades can be quoted if your application needs different transmission, thermal or chemical properties.
What sizes and thicknesses are available? expand_more
The listing gives thickness Customize as Per Demand. Custom outlines and thicknesses are made to drawing; state the tolerance you need.
What optical or electrical performance does it have? expand_more
Listed values: wavelength 200-2000nm. Confirm the values at your operating wavelength, angle and temperature when you request a quote.
Where is this bandpass filter used? expand_more
Listed applications: Lighting, Medical, Optical and Photography.
What should I include in a quote request? expand_more
Include spectral target, blocking, angle of incidence, size and thickness and substrate, plus quantity and a drawing if the part is custom.
