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Material: Silicon
Design Wavelength: 4μm
Surface Flatness: λ/2
Surface Quality: 60/40
Centration: ≤3 arcmin
Focal Length Tolerance: ±1%
CATEGORY
Si Plano-Convex Spherical Lenses
Model: JKL81
| Dia | Focus | Back Focus | R1=R2 | Center Thickness | Edge Thickness | uncoated model | AR@8~12μm model |
| 12.7 | 15 | 14.3 | 36.4 | 2.6 | 2 | JKL81-012-015 | JKL81-012-015-IR1 |
| 12.7 | 20 | 19.3 | 48.5 | 2.4 | 2 | JKL81-012-020 | JKL81-012-020-IR1 |
| 12.7 | 40 | 39.4 | 97 | 2.2 | 2 | JKL81-012-040 | JKL81-012-040-IR1 |
| 25.4 | 25.4 | 24.4 | 61.6 | 3.3 | 2 | JKL81-025-025 | JKL81-025-025-IR1 |
| 25.4 | 50 | 48.8 | 121.3 | 4 | 3.3 | JKL81-025-050 | JKL81-025-050-IR1 |
| 25.4 | 75 | 73.8 | 181.9 | 4 | 3.6 | JKL81-025-075 | JKL81-025-075-IR1 |
| 25.4 | 100 | 98.8 | 242.5 | 4 | 3.7 | JKL81-025-100 | JKL81-025-100-IR1 |
| 25.4 | 150 | 148.7 | 363.8 | 4 | 3.8 | JKL81-025-150 | JKL81-025-150-IR1 |
| 25.4 | 200 | 198.7 | 485.1 | 4 | 3.8 | JKL81-025-200 | JKL81-025-200-IR1 |
| 25.4 | 500 | 499.4 | 1212.7 | 2.1 | 2 | JKL81-025-500 | JKL81-025-500-IR1 |
| 25.4 | 750 | 749.4 | 1819 | 2 | 2 | JKL81-025-750 | JKL81-025-750-IR1 |
| 25.4 | 1000 | 999.4 | 2425.3 | 2 | 2 | JKL81-025-1000 | JKL81-025-1000-IR1 |
