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High Contrast 45° Thin Film Polarizers

High Contrast 45° Thin Film Polarizers

Wavelength range

190 – 3000 nm

Dimensions

5 – 200 mm

Shape

Round, rectangular

Surface quality, S-D

20-10

Transmitted wavefront distortion, P-V

<λ/10 @ 632.8 nm*

Extinction ratio Tp/Ts

1000:1

LIDT

Higher values possible

*depending on size

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Using lasers in industrial applications creates new challenges in making devices smaller and cheaper, while also robust and repeatable.

Polarization optics are important for both intra and extra-cavity use. By having high-contrast thin film polarizer in their design, laser engineers can save on weight and volume in their devices without influencing the output. High-contrast 45-degree thin film polarizers are specially designed for optimal performance at a 45-degree angle of incidence, which makes them easy to place and adjust in laser systems using standard optical mounts.

We design thin film polarizers in-house for both high LIDT and high polarization ratios. Each coating batch is tested to confirm all spectral characteristics. Typical Laser damage threshold reports can be found on our website: www.altechna.com/lidt.

 

Contact us so we can help you with your challenge. We have an experienced team of coating engineers and metrology capabilities to prototype and transfer your idea into a well-defined production process.

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