Application: Lighting, Medical, Optical, Photography. Model: RAY-LH050#.
Overview
Infrared Filter/Optical Filter/Bandpass Filters/Long-Pass Filter is a bandpass filter made from Glass. Optical / electrical data: wavelength 488-694 Nm/700-950nm. Coating: Dielectric Coating; surface quality 40-20 Scratch-Dig or Custom Manufacturing; flatness Lambda/10 at 632.8nm with Power Removed. Typical applications: 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 |
|---|---|
| Shape | Customized |
| Wavelength Range | 488-694 Nm/700-950nm |
| Surface Quality | 40-20 Scratch-Dig or Custom Manufacturing |
| Usage | Lighting, Medical, Optical, Photography |
| Model NO. | RAY-LH050# |
| Surface Flatness | Lambda/10 at 632.8nm with Power Removed |
| Coating Type | Dielectric Coating |
| Product category | 1) Divided from the material, there are optical glass coatings, colored glass, and plastic infrared filters. The reference here is a near-infrared filter. |
| Infrared filters are characterized by | 1. When the furnace temperature is lower than 400 ºC, load the silicon wafer. |
| IR filter application | 1. Infrared alarm |
| Supplier | Shanghai Rui Tai Photoelectric Technology Co., Ltd. |
What to specify when you request a quote
- Spectral target — listed as “488-694 Nm/700-950nm”; 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 — interference filters shift with angle, so specify the operating angle and cone.
- Size and thickness — 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 — listed as “40-20 Scratch-Dig or Custom Manufacturing”; 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.
