CRYLIGHT 社製 Grin-lens
Features
Used for focusing and collimation, e.g. WDM, optical couplers, collimators, optical isolators.
Gradient Index Micro Lens
G-lens is a micro gradient index lens. It is designed for use in demanding telecommunication and date communication applications.
Specifications
Product parameters
| Transmittance | 89% minimum (uncoated) | |
| Maximum Pitch | 0.5P | |
| Lens Effective Diameter | 70% typical | |
| √A @1550nm | D=1.8mm 0.322 ± 2.5% | |
| D=1.0mm 0.589 ± 2.5% | ||
| Diameter (D) | 1.8mm | 1.0mm |
| Pitch | 0.23P @ 1550 | |
| 0.25P @ 1550 | ||
| Angle (θ) | 8°±0.5° | |
| AR Coating | Both facets | |
| Insertion Loss (IL) | IL≦0.15dB | |
| Numerical Aperture (NA) | 0.46 typical | |
| Lens Diameter Tolerance | +0.005/-0.010mm |
| Lens Length Tolerance | ±2.5% of nominal length |
| End Facet Perpendicularity | 6mrad |
| Glass Material | 3um |
| 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 |