![]() | Cavity lenses Cavity lenses are positive meniscus lenses, constructed for collinear pumping. Back focal length (BFL) is equal to the second radius of curvature: ![]() Cavity lenses are constructed for 514 nm, but can be used in the range 200-2500 nm without significant differences. | ||||
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| r2 = BFL (mm) | Ř (mm) | UV-FS | |
| Article-No. | € | ||
| 18 | 12.7 | CY-S-01333 | 260 |
| 25 | 12.7 | CY-S-01601 | 240 |
| 38 | 12.7 | CY-S-01602 | 220 |
| 50 | 12.7 | CY-S-01334 | 210 |
| 75 | 12.7 | CY-S-01603 | 200 |
| 100 | 12.7 | CY-S-01604 | 190 |
| 150 | 12.7 | CY-S-01605 | 190 |
| 200 | 12.7 | CY-S-01606 | 180 |
| 250 | 12.7 | CY-S-01607 | 180 |
| 350 | 12.7 | CY-S-01608 | 170 |
| 500 | 12.7 | CY-S-01609 | 170 |
| All components indicated with an € price are available from stock | |||