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High Contrast Brewster Type Thin Film Polarizers

High Contrast 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

1000:1

LIDT

High LIDT 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. Because of their high damage threshold and extinction ratio, thin film polarizers are a good replacement for Glan laser polarizing prisms or polarizing cube beamsplitters.

The design of thin film polarizers for high LIDT and high polarization ratios are exclusively based on IBS technology, in which a dense coating is required. 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.

Typical Items for High Contrast Brewster Type Thin Film Polarizers
Wavelength, nmDimensions, mmTransmission p-pol, %Reflection s-pol, %Coating transmitted GDD (p-pol)Coating reflected GDD (s-pol)Product ID
for AOI=Brewster
343Ø25.4x5>97>99.7GDD <100 fs²GDD <50 fs²2-HCBTFP-0343-0254
34320x40x5>97>99.7GDD <100 fs²GDD <50 fs²2-HCBTFP-0343-2040
34310×20×5>97>99.7GDD <100 fs²GDD <50 fs²2-HCBTFP-0343-1020
355Ø25.4x5>97>99.72-HCBTFP-0355-0254
35520x40x5>97>99.72-HCBTFP-0355-2040
35510×20×5>97>99.72-HCBTFP-0355-1020
400Ø25.4x5>98>99.8GDD <200 fs²GDD <100 fs²2-HCBTFP-0400-0254
40020x40x5>98>99.8GDD <200 fs²GDD <100 fs²2-HCBTFP-0400-2040
40010×20×5>98>99.8GDD <200 fs²GDD <100 fs²2-HCBTFP-0400-1020
515Ø25.4x5>99>99.9GDD <300 fs²GDD <100 fs²2-HCBTFP-0515-0254
51520x40x5>99>99.9GDD <300 fs²GDD <100 fs²2-HCBTFP-0515-2040
51510×20×5>99>99.9GDD <300 fs²GDD <100 fs²2-HCBTFP-0515-1020
532Ø25.4x5>99>99.92-HCBTFP-0532-0254
53220x40x5>99>99.92-HCBTFP-0532-2040
53210×20×5>99>99.92-HCBTFP-0532-1020
800Ø25.4x5>99>99.9GDD <400 fs²GDD <200 fs²2-HCBTFP-0800-0254
80020x40x5>99>99.9GDD <400 fs²GDD <200 fs²2-HCBTFP-0800-2040
80010×20×5>99>99.9GDD <400 fs²GDD <200 fs²2-HCBTFP-0800-1020
1030Ø25.4x5>99>99.9GDD <500 fs²GDD <200 fs²2-HCBTFP-1030-0254
103020x40x5>99>99.9GDD <500 fs²GDD <200 fs²2-HCBTFP-1030-2040
103010×20×5>99>99.9GDD <500 fs²GDD <200 fs²2-HCBTFP-1030-1020
1064Ø25.4x5>99>99.92-HCBTFP-1064-0254
106420x40x5>99>99.92-HCBTFP-1064-2040
106410×20×5>99>99.92-HCBTFP-1064-1020
for AOI=45°
355Ø25.4x5>97>99.82-HC45TFP-0355-0254
532Ø25.4x5>97>99.82-HC45TFP-0532-0254
1030Ø25.4x5>97>99.82-HC45TFP-1030-0254
1064Ø25.4x5>97>99.82-HC45TFP-1064-0254

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