490nm shortwave pass filter
PRODUCT CATEGORIES
This 490nm short wave pass has its unique optical index. After passing through the filter, only the blue spectrum will pass through. Through the application of this optical characteristic, such as the multi band detector for police, one of the optical devices will be used. As well as beauty instruments, police multi band detection instruments, strong light flashlight, stage light color film, face recognition attendance meter, optical instruments, optical fiber lighting, gold halogen lamp heat insulation sheet, cold light source display cabinet.
Technical parameters
| Items | Parameters |
|---|---|
| Center wavelength | 490nm±3 |
| Incident angle | 0° |
| Transmission wavelength | 400nm-490nm |
| Peak transmittance | > 80% (according to customer demand) |
| Product size | 3mm-80mm (customizable) |
| Cut off wavelength | 505nm-850nm |
| Cut off depth | >OD4-OD6 UV-NIR |
| Product material | optical grade glass (K9, BK7, B270, d263t, JGS1, color glass, float glass, etc.) |
| Surface quality | national standard grade III /American Standard 60-40 |
Note:
The above parameters are for reference only. For detailed filter parameters, please consult our online customer service personnel or call our company.
spectral curve
In addition, We can customize the optical filters according to customer requirements or drawings.
For details, please consult:
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