Description
Axetris' fiber coupling micro-lens arrays are optimized for coupling light efficiently to single mode fiber arrays for
optical communication applications.
| Features | Applications |
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|
Specifications
| Parameter | FCA 250FS | FCA 1000Si | Comments |
| Array pitch | 250 μm | 1000 μm | Tolerance: ± 0.25 μm |
| Number channels per array | 1 × 4 Article no. 600.178 1 × 8 Article no. 600.303 1 × 16 Article no. 600.408 |
1 × 4 Article no. 600.383 4 × 4 Article no. 600.499 |
larger arrays available |
| Lens array dimensions | 1 × 4: 1.5 × 1.0 ×1.0 1 × 8: 2.5 × 1.0 × 1.0 1 × 16: 2.5 × 4.5 × 1.0 |
1 × 4: 4.93 × 1.93 × 1.0 4 × 4: 4.93 × 4.93 × 1.0 |
length x width x thicknes in mm3 |
| Lens diameter | 240 μm |
950 μm | |
| Lens surface profile | aspherical | aspherical | |
| Surface profile deviation | < 45 nm | < 25 nm | rms |
| Numerical aperture | N.A. = 0.16 | N.A. = 0.19 | |
| Effective focal length | 710 μm | 2420 μm | at λ =1.55 μm |
| AR coating | < 0.5 % per side | < 0.5 % per side | double sided; wavelength range λ = 1260 – 1620 nm |
| Surface roughness | < 5 nm | < 4 nm | rms |
| Insertion loss | < 1 dB | < 1 dB | Fiber- to-fiber |
| Metallization | optional | optional | masking, alignment marks, soldering pads, etc. |
| Material | Fused Silica* | Silicon | |
| Technical data and specifications are subject to change without prior notice | |||
Custom fiber micro-lens arrays are available upon request