Main features
- Highest beam pointing stability (< 0,1 mrad)
- All-in-one design with integrated controller
- Two lenses simultaneous movement assuring no misfocus
- Absolute encoder (both lenses)
- Adjustment time <1s (all magnifications)
- Fused silica optical elements
- No homing after switching on/off
- Diffraction limited performance for all magnifications
Application examples
- Precise laser micromachining
- Life sciences
- Research
Description
Motorized laser beam expanders MEX series are used to increase the laser beam diameter and adjust divergence. Standard or custom-made beam expanders feature a unique mechanical closed-loop sliding-lens design ensuring high pointing stability and minimal dimensions.
These variable magnification (zoom) beam expanders and reducers are designed for the required wavelength and each type of our beam expanders has motorized divergence adjustability.
What’s in the box?
Motorised laser beam expander MEX
USB key with software and manual
Power supply DC 12V
USB (1.5 m) cable
Specifications
| Motorized laser beam expander specifications | ||
| OPTICAL | Magnification ranges | MEX18 – 1,0x – 8,0x, MEX13 – 1,0x – 3,0x |
| Clear input aperture | ⌀11,5 mm | |
| Clear output aperture | MEX13 – ⌀23 mm, MEX18 – ⌀38 mm, MEX18-ACH – ⌀23 mm | |
| Optical element number | 3 (MEX18, MEX13), 4 (MEX18-ACH) | |
| LIDT coating | >10 [J/cm2] (10 ns @ 1064 nm) | |
| Pointing stability during lens movement | ||
| Adjustment time MIN to MAX magnification and divergence | ||
| Available coatings | 1064 nm, 1030 nm, 532 nm, 515nm, 355 nm, 343 nm, custom | |
| MECHANICAL | MEX13 mechanical dimensions | 140 x 45 x 45 mm |
| MEX18 mechanical dimensions | 237 x 45 x 45 mm | |
| MEX18-ACH mechanical dimensions | 226 x 45 x 45 mm | |
| Housing material | Anodized aluminum | |
| ELECTRONIC | Communication | Using ASCII commands described in manual |
| Software interface | BDS software | |
| Input voltage | DC 12 V | |
| Control interface | USB, RS232, Ethernet (using an additional adapter) | |
| CONDITIONS | Operating temperature, Celsius | 10 to 40 |
| Mounting holes | M4 on the bottom side | |