Phase shifting mirrors for CO2 lasers for cutting applications

1st November 2019
Posted By : Alex Lynn
Phase shifting mirrors for CO2 lasers for cutting applications

In laser cutting applications using CO2 lasers, circularly polarised light can be used for example to achieve a uniform and axis independent cut. One way of achieving circularly polarised light at 10.6um is to use a phase shifting mirror. 

Through use of a coating which can be applied to both copper and silicon substrates, circular polarisation is achieved by a λ/4 phase shift of the incident linearly polarised light.

LASER COMPONENTS can manufacture phase shifting mirrors in customer specified dimensions, radii of curvature, wavelengths and retardations.


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