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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

*depending on size

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Typical Items for High Contrast Brewster Type Thin Film Polarizers

Wavelength, nm Dimensions, mm Transmission p-pol, % Reflection s-pol, % Coating transmitted GDD (p-pol) Coating reflected GDD (s-pol) Product ID

for AOI=Brewster
343 Ø25.4x5 >97 >99.7 GDD <100 fs² GDD <50 fs² 2-HCBTFP-0343-0254
20x40x5 GDD <100 fs² GDD <50 fs² 2-HCBTFP-0343-2040
10×20×5 GDD <100 fs² GDD <50 fs² 2-HCBTFP-0343-1020
355 Ø25.4x5 >97 >99.7 2-HCBTFP-0355-0254
20x40x5 2-HCBTFP-0355-2040
10×20×5 2-HCBTFP-0355-1020
400 Ø25.4x5 >98 >99.8 GDD <200 fs² GDD <100 fs² 2-HCBTFP-0400-0254
20x40x5 GDD <200 fs² GDD <100 fs² 2-HCBTFP-0400-2040
10×20×5 GDD <200 fs² GDD <100 fs² 2-HCBTFP-0400-1020
515 Ø25.4x5 >99 >99.9 GDD <300 fs² GDD <100 fs² 2-HCBTFP-0515-0254
20x40x5 GDD <300 fs² GDD <100 fs² 2-HCBTFP-0515-2040
10×20×5 GDD <300 fs² GDD <100 fs² 2-HCBTFP-0515-1020
532 Ø25.4x5 >99 >99.9 2-HCBTFP-0532-0254
20x40x5 2-HCBTFP-0532-2040
10×20×5 2-HCBTFP-0532-1020
800 Ø25.4x5 >99 >99.9 GDD <400 fs² GDD <200 fs² 2-HCBTFP-0800-0254
20x40x5 GDD <400 fs² GDD <200 fs² 2-HCBTFP-0800-2040
10×20×5 GDD <400 fs² GDD <200 fs² 2-HCBTFP-0800-1020
1030 Ø25.4x5 >99 >99.9 GDD <500 fs² GDD <200 fs² 2-HCBTFP-1030-0254
20x40x5 GDD <500 fs² GDD <200 fs² 2-HCBTFP-1030-2040
10×20×5 GDD <500 fs² GDD <200 fs² 2-HCBTFP-1030-1020
1064 Ø25.4x5 >99 >99.9 2-HCBTFP-1064-0254
20x40x5 2-HCBTFP-1064-2040
10×20×5 2-HCBTFP-1064-1020
for AOI=45°
355 Ø25.4x5 >97 >99.8 2-HC45TFP-0355-0254
532 Ø25.4x5 >97 >99.8 2-HC45TFP-0532-0254
1030 Ø25.4x5 >97 >99.8 2-HC45TFP-1030-0254
1064 Ø25.4x5 >97 >99.8 2-HC45TFP-1064-0254

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° thin film polarizers are specially designed for optimal performance at a 45° 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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