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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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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 polarizer 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.

Typical Items for Brewster Type Thin Film Polarizers
Wavelength, nmSubstrate materialTransmision p-pol,% Reflection s-pol, %Dimensions, mmProduct ID
266UVFS>95%>99.5%Ø25.4x32-BFP-0266-0254
266UVFS>95%>99.5%20x40x52-BFP-0266-2040
343UVFS>95%>99.5%Ø25.4x32-BFP-0343-0254
343UVFS>95%>99.5%20x40x52-BFP-0343-2040
355UVFS>95%>99.5%Ø25.4x32-BFP-0355-0254
355UVFS>95%>99.5%20x40x52-BFP-0355-2040
400UVFS>95%>99.5%Ø25.4x32-BFP-0400-0254
400UVFS>95%>99.5%20x40x52-BFP-0400-2040
515UVFS>95%>99.5%Ø25.4x32-BFP-0515-0254
515UVFS>95%>99.5%20x40x52-BFP-0515-2040
532UVFS>95%>99.5%Ø25.4x32-BFP-0532-0254
532UVFS>95%>99.5%20x40x52-BFP-0532-2040
795-805 (centered @ 800)UVFS>95%>99.5%Ø25.4x32-BFP-0800-0254
795-805 (centered @ 800)UVFS>95%>99.5%20x40x52-BFP-0800-2040
1020-1040 (centered @ 1030)UVFS>95%>99.5%Ø25.4x32-BFP-1030-0254
1020-1040 (centered @ 1030)UVFS>95%>99.5%20x40x52-BFP-1030-2040
1064UVFS>95%>99.5%Ø25.4x32-BFP-1064-0254
1064UVFS>95%>99.5%20x40x52-BFP-1064-2040
1550UVFS>95%>99.5%Ø25.4x32-BFP-1550-0254
1550UVFS>95%>99.5%20x40x52-BFP-1550-2040

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