Motorized Beam Expander for High-Power Lasers S6EZM0940-574
The new motorized beam expander S6EZM0940-574 has the same optical design as the manually adjustable S6EXZ0940-574. Using the highest-quality coatings and quartz glass, Sill Optics ensures particularly high durability with modern high-power lasers. The beam diameter does not fall below a minimum at any internal lens surface of the objective. Energy input is therefore very low even at the usually critical second lens and even with high-power lasers, preventing material and coating damage. Zoom beam expanders are valued for adjustable magnification, while fixed-magnification expanders often attract attention for use with ultrashort-pulse, high-power lasers. Like its manually adjustable counterpart, the new motorized high-power beam expander S6EZM0940-574 combines both advantages. Unlike S6EXZ0940-574, the lenses of S6EZM0940-574 are motorized, enabling precise, fully automatic adjustment of magnification and divergence over 0.9x – 4x. Since no components are touched during these adjustments and lens positioning accuracy reaches 30 μm, pointing error of ≤0.2 mrad can be achieved. Our broad beam-expander range includes many models, from compact or naturally anodized fixed-magnification expanders to manually adjustable, partially motorized, and fully motorized zoom expanders. If a particular magnification or other special requirement cannot be met by our portfolio, we can adapt existing products or develop a custom design. Please contact us to experience the performance of our high-quality beam expanders. Model | Wavelength [nm] | Magnification | Input Aperture [mm] | Output Aperture [mm] | Length [mm] | Mounting Thread S6EZM0940-574 | 343-355 | 0.9-4x | 12.0 | 28.0 | 200.0 | M30x1
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Overview
Specifications
| Parameter | Value |
|---|---|
| magnification range | 0.9~4x |
| clear input aperture | Ø12 |
| clear output aperture | Ø28 |
| optical element number | 4 |
| moving optical element number | 2 |
| LIDT coating [∞-on-1 @1ps, 100Hz] | 0,3 J/cm² |
| pointing stability during lens movement | <0.2 mrad |
| adjustment time MIN to MAX magnification and divergence | <1 sec |
| wavelength | 355 nm |
| lens position accuracy | ±30 μm |
| mechanical dimensions | 53 mm × 53 mm × 185 mm |
| housing material | anodized aluminum |
| communication | using ASCII commands described in manual |
| absolute encoder | integrated on both moving lenses |
| software interface | motorized beam expander software |
| input voltage | DC 12 |
| control interface | USB, RS232 |
| controller | integrated, with reverse polarity and overcurrent protection |
| operating temperature | 10~40 Celsius |
| mounting holes | M4 on the bottom side |
Datasheet
Supplier Information
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