Gradient Index Relay Microlenses
These microlenses are formed from gradient index glass as rods whose length is equal to an integral number of pitches. In this way an image formed on one end of the lens is transferred to the remote end from where it may be viewed or transferred to another medium.
These are used in rigid endoscopes and other applications which require the transfer of images. They are ideal for use with the gradient index imaging microlenses described previously.
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| Diameter, D (mm) | Length, L (mm) | Pitch | Surface Quality | Material | Diameter tolerance | Length tolerance | Bevel |
|---|---|---|---|---|---|---|---|
| 0.5 | 30.2 | 1.0 | 20 - 10 | Doped Borosilicate glass | +0, -0.05mm | ±3% | - |
| 0.5 | 60.4 | 2.0 | 20 - 10 | Doped Borosilicate glass | +0, -0.05mm | ±3% | - |
| 0.5 | 90.6 | 3.0 | 20 - 10 | Doped Borosilicate glass | +0, -0.05mm | ±3% | - |
| 1.0 | 44.7 | 1.0 | 20 - 10 | Doped Borosilicate glass | +0, -0.05mm | ±3% | - |
| 1.0 | 89.4 | 2.0 | 20 - 10 | Doped Borosilicate glass | +0, -0.05mm | ±3% | - |
| 1.0 | 134.1 | 3.0 | 20 - 10 | Doped Borosilicate glass | +0, -0.05mm | ±3% | - |
| 2.0 | 100.5 | 1.0 | 20 - 10 | Doped Borosilicate glass | +0, -0.05mm | ±3% | - |
| 2.0 | 201.0 | 2.0 | 20 - 10 | Doped Borosilicate glass | +0, -0.05mm | ±3% | - |
| 2.0 | 301.5 | 3.0 | 20 - 10 | Doped Borosilicate glass | +0, -0.05mm | ±3% | - |