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Keywords: Motorized divergence controller ,dynamic focusing
MDC is a motorized device which changes beam divergence from approximately -2 mrad (converging) to +4 mrad (diverging). As an addon to 2D galvo scanners this device upgrades automated 2D fabrication setup to 3D. It is achieved by changing focal point
MDC is a motorized device which changes beam pergence from approximately -2 mrad (converging) to +4 mrad (perging). As an addon to 2D galvo scanners this device upgrades automated 2D fabrication setup to 3D. It is achieved by changing focal point position along z-axis when adjusting beam pergence. MDC can control working distance and focus beam diameter in real time. Device is lighter in weight and smaller in dimensions compared to other solutions in the market. Due to simplified design it is a cost saving and user-friendly device.
| Max input beam diameter | Up to 6mm |
| Focus speed | 200 mm/s |
| Divergence adjustment rate | Up to 30mrad/s |
| Damage threshold | >10 J/cm² 10 Hz, 10 ns, 1064nm
>7 J/cm² 10 Hz, 10 ns, 532nm |
| Resolution | < μrad/step |
| Beam wander | <0.5mrad |
| Dimensions (H x W x L) | 26.5 x 55 x 147mm |
| Weight | 340g |
| Control interface | USB, RS232 (available under request) |
| Wave-length, nm | Focus range*, mm | Divergence adjustment range*, mrad | Product ID |
| 343-355 | 32 | from -0.6 to +5.5 | MDC-0355 |
| 515-532 | 34 | from -0.8 to +4.9 | MDC-0532 |
| 1030-1064 | 36 | from -0.9 to +4.4 | MDC-1064 |
*Using F=+163 mm F-Theta lens when Ø3 mm (at 1/e2 intensity level). entrance beam has M2=1 and 1 mrad pergence.