490nm long wave pass filter
PRODUCT CATEGORIES
Long wave pass filters commonly used in beauty instruments include lp430nm, lp480nm, lp530nm, lp550nm, lp560nm, lp590nm, lp640nm and lp690; Main functions of seven bands: 430nm, 480nm: acne and acne; 530nm: freckle removal; 560nm: whitening and rejuvenating; 590nm: remove red blood filaments; 640nm, 690nm: hair removal.
Technical parameters
| Items | Parameters |
|---|---|
| Center wavelength | 490±3nm |
| Incident angle | 0° |
| Transmission wavelength | 490nm-1100nm |
| Peak transmittance | > 95% (according to customer demand) |
| Product size | 3mm-80mm (customizable) |
| Cut off wavelength | 400nm-670nm (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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