LASNIX Linear Polarisers for CO2 Lasers are precision thin film elements for perfect polarisation of a CO2 laser beam. The other beam parameters such as alignment stay unaffected. The polarisers are mounted in lightweight oriented frames for simple installation and ease of use.
Extending the traditional Hertz’s wire grid polariser, LASNIX have tailored the wire shape to obtain a high transmittance in the CO2 laser region. Furthermore the precise fabrication of the grid spacing routinely guarantees a very high polarisation contrast exceeding 10 000 : 1.
Remarkably high power handling up to 30 W c.w. is achieved. Since the grids are freely suspended, i.e. have no substrate, they can not offset the beam in contrast to common substrate-bound polarizers. The polarised transmitted beam passes undeviated even at the upper power limit. The mode structure and other beam properties, including the divergence and M2 parameters are fully preserved.
| Model No. | Wavelength Range | Transmittance @ Orientation | Power Limit | Fluence Limit | Clear Aperture | Length | Height | Weight |
| µm | ll_____ _⊥ | W | J/cm^2 | mm | mm | mm | g | |
| LP01 | 9.8-10.4 9.2-10.8 |
> 0.8 < 0.00007
> 0.7 < 0.00007 |
30 | 1 | 6 | 3 | 25 | 5 |
| LP 02 | 9-8-10.4
9.2-10.8 |
>0.8 <0.00007
>0.7 <0.00007 |
30 | 1 | 12 | 5 | 33 | 14 |
Beam quality control
Optical isolation
High-contrast Polarimetry
Ellipsometry
Heterodyne systems
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Photonic Solutions Ltd
Unit 2.2 Quantum Court
Heriot-Watt University Research Park
Edinburgh
EH14 4AP
