home components Polarization optics Polarizers Brewster-type thin film polarizers

Brewster-type thin film polarizers

Main features

Substrates fabricated from high-quality UV grade fused silica optical glass
Designed for most popular laser line and harmonic wavelengths
The angle of incidence: Brewster-angle
Typical extinction ratio Tp:Ts > 200:1
Custom dimensions, the operating wavelength available upon request

Application examples

Polarization separation
Optical isolation
Polarization cleaning
Laser power attenuation

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Description
Curves
Standard specification

4Lasers standard Brewster-type thin-film polarizers are designed for applications, which include polarization separation. These elements provide a moderately extinction ratio Tp:Ts > 200:1 and are perfectly fit for high-power and UV applications. 4Lasers design and manufacture standard and custom Brewster type polarizers in the range of 230 nm and 2000 nm with face dimensions up to 160 mm.

Brewster type thin-film polarizers
Material	UVFS
Clear aperture	>85%
Face dimensions tolerance	+0,0/-0,15 mm
Thickness tolerance	±0,25 mm
Parallelism error	<30 arcsec
Protective chamfers	<0,35 mm at 45˚
Surface quality	20-10 S-D
Surface flatness	<λ/8@632,8 nm for 10 x 20 mm; <λ/6@632,8 nm for 20 x 40 mm
Transmitted wavefront distortion	<λ/10@632,8 nm for 10 x 20 mm; <λ/6@632,8 nm for 20 x 40 mm
Laser-induced damage threshold	>10 J/cm²@1064 nm, 10 ns (for 1064 nm polarizers)
Mount	Unmounted, available upon request

Order your item

Face dimensions Thickness Transmission (p-pol) Transmission (s-pol) AOI Wavelength SKU PRICE QUANTITY

20x40 mm

5 mm

>95 %

<1 %

55,4°

266 nm

9368

275 €

20x40 mm

5 mm

>95 %

<0,5%

55,4°

343 nm

9369

135 €

20x40 mm

5 mm

>95 %

<0,5%

55,4°

355 nm

9370

135 €

20x40 mm

5 mm

>95 %

<0,5%

55,4°

515 nm

9371

135 €

20x40 mm

5 mm

>95 %

<0,5%

55,4°

532 nm

9372

135 €

20x40 mm

5 mm

>95 %

<0,5%

55,4°

1030 nm

9373

135 €

20x40 mm

5 mm

>95 %

<0,5%

55,4°

1064 nm

9374

135 €

10x20 mm

5 mm

>95 %

<1 %

55,4°

266 nm

9375

110 €

10x20 mm

5 mm

>95 %

<0,5%

55,4°

343 nm

9376

80 €

10x20 mm

5 mm

>95 %

<0,5%

55,4°

355 nm

9377

80 €

10x20 mm

5 mm

>95 %

<0,5%

55,4°

515 nm

9378

80 €

10x20 mm

5 mm

>95 %

<0,5%

55,4°

532 nm

9379

80 €

10x20 mm

5 mm

>95 %

<0,5%

55,4°

1030 nm

9380

80 €

10x20 mm

5 mm

>95 %

<0,5%

55,4°

1064 nm

9381

80 €

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