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Thin Film Polarizer
High damaged threshold >10J 1064nm 10ns,10Hz
High extiction rate upto 10000:1
Large apperture upto Dia80mm

Lasertec manufactures thin-film plate polarizers, which are based on interference within a dielectric optical thin-film coating on a thin glass substrate. These polarizers function as beamsplitters, diverting the unwanted polarization 90°.  Thin-film plate polarizers have a number of unique advantages, including superior transmission, low scattering and very little wavefront distortion.  They can be made with excellent environmental reliability, the highest laser damage threshold and very large aperture sizes.  Thin-film plate polarizers function over a specific wavelength range because they are based on multiwave interference and are best suited to laser applications or systems with a limited signal band.

Our polarizers can be Applied in place of laser line cube polarizers in fiber laser systems as well as with high energy Nd:YAG lasers. They can also be used in combination with a waveplate to create high damage threshold variable attenuators and passive optical isolators, or individually as intracavity Q-switch hold-off polarizers.

LASERTEC use our super polished substrates and IBS coating to supply a series of high extinction ratio, thin film polarizers.The wavelength range from UV to NIR. With our precision polishing technology and Ion Beam Sputtering  deposition technology,The customized Polarizer upto 5000:1 with Tp>98%@CW with 120*60mm aperture. Our standard specification with following table.

Lasertec’s Specification of  Thin Film Polarizer

 

 Size

  <Dia.80mm or 120*60mm

Material

  BK7 or Fused Silica

Surface Flatness

  λ/10 @632.8nm

Surface Quality

  10/5 S/D - MIL-PRF-13830B

Wedge

  <30 arc sec

Extinction Ratio (Tp/Ts)

  200:1~10000:1  Tp>96%@CW

Angle of Incidence

  Brewster angle±2° or 45°±2°

 Damage Threshold

  10J/cm2,10ns pulse@1064

Typical Wavelength

  1064mm,1053nm,532nm,808nm,755nm,1550nm

 

Our standard TFP with following Part No.

 

Part No.

Material

Dimension (mm3)

Wavelengh(nm)

Extinction rate

TFP-1064-FS001

UVFS

25X14X3

1064nm

1000:1

TFP-1064-FS002

UVFS

27X16X2

1064nm

1000:1

TFP-1064-FS003

UVFS

Dia50.8X6

1064nm

1000:1

TFP-1064-FS004

UVFS

Dia25.4X3

1064nm

1000:1

TFP-1064-FS005

UVFS

Dia30X3

1064nm

1000:1

TFP-1064-FS006

UVFS

20X40X3

1064nm

1000:1

TFP-1064-BK001

BK7

25X14X3

1064nm

500:1

TFP-1064-BK002

BK7

27X16X2

1064nm

500:1

TFP-1064-BK003

BK7

Dia50.8X6

1064nm

500:1

TFP-1064-BK004

BK7

Dia25.4X3

1064nm

500:1

TFP-1064-BK005

BK7

Dia30X3

1064nm

500:1

TFP-1064-BK006

BK7

20X40X3

1064nm

500:1

TFP-1064-BK007

BK7

100X50X10

1064nm

500:1

TFP-1064-BK008

BK7

120X60X10

1064nm

500:1

TFP-1053-FS001

UVFS

25X14X3

1053nm

1000:1

TFP-1053-FS002

UVFS

27X16X2

1053nm

1000:1

TFP-1053-FS003

UVFS

20X40X3

1053nm

1000:1

TFP-1053-FS004

UVFS

100X50X10

1053nm

1000:1

TFP-1053-FS005

UVFS

120X60X10

1053nm

1000:1

TFP-532-FS001

UVFS

25X14X3

532nm

500:1

TFP-532-FS002

UVFS

27X16X2

532nm

500:1

TFP-532-FS003

UVFS

20X40X3

532nm

500:1

TFP-532-FS004

UVFS

100X50X10

532nm

500:1

TFP-532-FS005

UVFS

120X60X10

532nm

500:1

TFP-755-FS001

BK7

30*20*6

755nm

500:1

TFP-755-FS002

BK7

Dia25.4X3

755nm

500:1

 

 

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