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Brewster Type Thin Film Polarizers

Brewster Type 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

200:1

LIDT

High LIDT coating designs possible

*depending on size

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Typical Items for Brewster Type Thin Film Polarizers

Wavelength, nm Substrate material Transmision p-pol,% Reflection s-pol, % Dimensions, mm Product ID
266 UVFS >95% >99.5% Ø25.4x3 2-BFP-0266-0254
20x40x5 2-BFP-0266-2040
343 UVFS >95% >99.5% Ø25.4x3 2-BFP-0343-0254
20x40x5 2-BFP-0343-2040
355 UVFS >95% >99.5% Ø25.4x3 2-BFP-0355-0254
20x40x5 2-BFP-0355-2040
400 UVFS >95% >99.5% Ø25.4x3 2-BFP-0400-0254
20x40x5 2-BFP-0400-2040
515 UVFS >95% >99.5% Ø25.4x3 2-BFP-0515-0254
20x40x5 2-BFP-0515-2040
532 UVFS >95% >99.5% Ø25.4x3 2-BFP-0532-0254
20x40x5 2-BFP-0532-2040
795-805 (centered @ 800) UVFS >95% >99.5% Ø25.4x3 2-BFP-0800-0254
20x40x5 2-BFP-0800-2040
1020-1040 (centered @ 1030) UVFS >95% >99.5% Ø25.4x3 2-BFP-1030-0254
20x40x5 2-BFP-1030-2040
1064 UVFS >95% >99.5% Ø25.4x3 2-BFP-1064-0254
20x40x5 2-BFP-1064-2040
1550 UVFS >95% >99.5% Ø25.4x3 2-BFP-1550-0254
20x40x5 2-BFP-1550-2040

Having lasers in industrial applications creates new challenges of making the device smaller, cheaper, but robust and repeatable as well.

Polarization optics are important for both intra and extra cavity use. By having high contrast thin film polarizers in their design, laser engineers can save weight and volume within their devices without influencing the output. Due to its high damage threshold and high extinction ratio Thin Film Polarizers are a good replacement for Glan laser polarizing prisms or cube polarizing beamsplitter.

We design thin film polarizers in-house for high LIDT and high polarization ratio at the same time. 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 with your challenge. We have experienced coating engineers and metrology capabilities to prototype and transfer your idea to a well-defined production process.

Need some help with product specifications?

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