GRadient INdex lens or GRIN lens is used to focus and collimate light sources. It is widely used in both active and passive fiber-optics components, MEMs and imaging system.
Application:
Laser-to-fiber coupling
Optical Specifications |
|
Transmittance | 89% minimum (uncoated) |
Maximum Pitch | 0.5P |
Polarization Reservation | 0.99 (no stress) |
Lens Effective Diameter | 60-70% typical |
Diameter Tolerance | +0.005/-0.010mm |
Length (Z) Tolerance | £ 2.5% |
Polishing Tolerance | 0/-0.04mm |
End Facet Perpendicularity | £ 6mrad |
Thermal Expansion Coefficient | 10×10-6/°C |
Maximum Temperature | £ 350°C |
Sample Specifications |
|
Product Number | RGR-18-023-1550-8D-AR2 |
Length (Z) Tolerance | £ 2.5% |
Diameter | 1.8mm +0.005/-0.005mm |
Length | 4.43mm +0.01/-0.01mm |
Pitch | 0.23P |
Right Angle | 90° +/- 20’ |
8 Degree Wedge | 8° +/- 20’ |
Coating | R<0.15%@1550nm |
Gradient Constant ÖA: | 0.3262 |
Refractive Index @ Center | 1.5910 |
Insertion Loss: | ≤0.15dB |
