グリンレンズ ｜ Grin Lens
| Transmittance | 89% minimum (uncoated) | |
|---|---|---|
| Maximum Pitch | 0.5 P | |
| Lens Effective Diameter | 70% typical | |
| √A @1550nm | D=1.8 mm 0.322 ± 2.5% | |
| D=1.0 mm 0.589 ± 2.5% | ||
| Diameter (D) | 1.8 mm | 1.0 mm |
| Pitch | 0.23P @ 1550 | |
| 0.25P @ 1550 | ||
| Angle (θ) | 8°±0.5° | |
| AR Coating | Both facets | |
| Insertion Loss (IL) | IL≦0.15 dB | |
| Numerical Aperture (NA) | 0.46 typical | |
| Lens Diameter Tolerance | +0.005/-0.010 mm | |
| Lens Length Tolerance | ±2.5% of nominal length | |
| End Facet Perpendicularity | 6 mrad | |
| Glass Material | 3 μm | |
| Ellipticity | Proprietary GRIN optical material | |
| Thermal Expansion Coefficient | 10 x 10-6/°C | |
| Operating | 200°C x1000 hours | |
| Humidity (AR Coated) | 85°C/85% RH*1000 hours | |
| Humidity (Non-coated) | Store in desiccant to avoid moisture | |