A UV cut-off glass filter is an optical material specifically designed to block ultraviolet (UV) lig...
An orange cut-off glass filter is a specialized optical filter material used in optical systems. It effectively filters out light in a specific wavelength range, particularly ultraviolet and blue light, while allowing longer wavelengths of light (such as orange and red light) to pass through. This filter has a distinctive orange appearance and is commonly used in applications such as color enhancement, wavelength-selective filtering, and image optimization.
1. Features
| Number | Thickness(mm) | A[2856k] | D65 | Chemical stability | ND | α×10-7 (℃) |
Tg(℃) | TS(℃) | S | |||||
| x | y | Y | x | y | Y | DA | DW | |||||||
| CB535 | 2 | 0.549 | 0.448 | 82.2 | 0.504 | 0.492 | 70.2 | 3 | 2 | 1.523 | 103 | 527 | 605 | 2.64 |
| CB550 | 2 | 0.594 | 0.405 | 63.6 | 0.569 | 0.43 | 48.4 | 3 | 2 | 1.523 | 103 | 527 | 605 | 2.64 |
| CB565 | 2 | 0.622 | 0.377 | 51.6 | 0.605 | 0.395 | 36.7 | 3 | 2 | 1.523 | 103 | 527 | 605 | 2.64 |
| CB580 | 2 | 0.658 | 0.342 | 35.9 | 0.649 | 0.351 | 23.3 | 1 | 2 | 1.523 | 103 | 527 | 605 | 2.64 |
2. Technical requirements
| Number | Thickness(mm) | Atj(nm) | A0(nm) | TAO(%) | K |
| CB535 | 2 | 535±10 | 650 | ≥88.7 | ≥1.2 |
| CB550 | 2 | 550±10 | 650 | ≥88.7 | ≥1.2 |
| CB565 | 2 | 565±10 | 650 | ≥88.7 | ≥1.2 |
| CB580 | 2 | 580±10 | 650 | ≥88.7 | ≥1.2 |
3. Bubble, fringe and stress levels
| Number | Bubble | Stripes | Stress |
| CB535 | C-B | 3C | 3 |
| CB550 | C-B | 3C | 3 |
| CB565 | C-B | 3C | 3 |
| CB580 | C-B | 3C | 3 |
4. The spectra

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