990nm shortwave pass filter
PRODUCT CATEGORIES
990nm short wave pass filter, also known as 990nm low wave pass filter, is used in digital image, medical detection instrument, stage lighting system, fingerprint recognition application, beauty instrument, face recognition attendance instrument and iris recognition system.
Technical parameters
| Items | Parameters |
|---|---|
| Center wavelength | 990nm+-5nm |
| Incident angle | 0° |
| Transmission wavelength | 350-985nm |
| Peak transmittance | > 90% (according to customer demand) |
| Product size | 3mm-80mm (customizable) |
| Cut off wavelength | 990-1100nm (according to the customer requirements) |
| 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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