|
Microlens arrays
Specification
of lens array parameters
The diagrams
below will assist when specifying the lens array parameters in any communications
or discussions with Epigem.

| Symbol |
Definition |
| R
|
Lens
radius of curvature or lens surface shape for aspherical lens shape |
| D
|
Lens
diameter |
| Ff |
Front
focal length in air |
| Packing |
e.g. linear, square packed, hexagonally packed. |
| Fill
factor |
|
| P1 |
Horizontal
pitch |
| P2 |
Vertical
pitch (for 2D arrays) |
| L1 |
Lens
array length (for linear arrays) |
| L1
x L2 |
Lens
array active area (for 2D arrays) |
| L3
x L4 |
Lens
array cut part size |
| T |
Substrate
thickness |
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