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Laser Components (UK) Ltd.
Goldlay House,
114 Parkway,
Chelmsford Essex CM2 7PR
United Kingdom
Phone: +44 1245 491 499
E-Mail:info@lasercomponents.co.uk

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Non-Polarising Beam Splitters

Photonics News No 54

UK54-0010

A classic 50:50 beam splitter will change the polarisation characteristics of incident light. Circularly-polarised laser radiation is divided into elliptically-polarised partial beams, corresponding to the different reflection values for p-polarisation and s-polarisation.

This however does not have to be the case! For CO2 lasers, we have ‘non-polarising’ beam splitters, designed to maintain the polarisation state of the laser beam for both the reflected and the transmitted partial beam. The coating is applied to laser grade ZnSe, and achieves split ratio of 50±1% at 10.6 µm, while maintaining the polarisation state of the incident light. One of the several coating layers is germanium, making the coating opaque in the visible spectrum.

Non-polarising beam splitters are suited for a laser intensity of <500 W/cm².  Exceeding this may give rise to thermal lensing effects.

We have a range of standard non polarising beam splitters of diametre between 25.0 mm and 50.8 mm available for quick dispatch, as well as custom options upon request.


Further product information:
IR Laser Optics

Contact:

Contact Person:    Samuel Thienel
Company:    LASER COMPONENTS (UK) Ltd.
Address:    Goldlay House 114 Parkway
Postcode / City:    CM2 7PR Chelmsford Essex
Phone:    +44 1245 491499
Fax:    +44 1245 491801
Email:    sthienel@lasercomponents.co.uk
 

ZnSe Beamsplitter

Non-Polarizing Beamsplitter

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info@lasercomponents.co.uk

Your contact person

Kay Cable

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kcable@lasercomponents.co.uk