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Polarizers

 Polarizer / Illustration

 Features

Material

Wavelength

(nm)

Extinction

Ratio

Angular

Field(°)

Glan-Laser Polarizer

Glan-Laser Polarizer

* Air-spaced Design

* High Damage Threshold- 500MW/cm2

* With escape windows

* Close to Brewster's Angle Cutting

* Short Length

Calcite

350-2300

<5x10-5

 >7.7

α-BBO

190-3500

<5x10-6

>6.0

YVO4

500-4000

<5x10-6

>6.5

Glan-Taylor Polarizer

Glan-Taylor Polarizer

* Air-spaced Design

* Medium Damage Threshold- 200MW/cm2

* Without escape windows

* Close to Brewster's Angle Cutting

* Short Length

Calcite

350-2300

<5x10-5

 >7.7

α-BBO

190-3500

<5x10-6

>6.0

YVO4

500-4000

<5x10-6

>6.5

Brewster Angle Polarizer

Brewster Angle Polarizer

* Air-spaced Design

* High Damage Threshold- 500MW/cm2(with escape windows)

* Brewster angle incidence at all surfaces yields Tp>98%

* No anti-reflection coatings needed

Calcite

350-2300

<5x10-5

 >7.7

YVO4

500-4000

<5x10-6

>6.5

Glan-Thompson Polarizer

Glan-Thompson Polarizer

* Cemented Design

* Low Damage Threshold- 100MW/cm2

* Large Acceptance Angle

Calcite

350-2300

<5x10-5

 14-16

Calcite

350-2300

<5x10-5

25-28

α-BBO

220-900

<5x10-6

>15

Glan-Thompson PBS Cube

Glan-Thompson PBS Cube

* Cemented Design

* Low Damage Threshold- 150MW/cm2

* Separate ordinary and extraordinary beams at certain angle

* Large deviation

Calcite

350-2300

<5x10-5

 14-16

Wollaston Polarizer

Wollaston Polarizer

* Optically Contacted Design, Medium Damage Threshold- 200MW/cm2

* Cemented Design, Low Damage Threshold- 100MW/cm2

* Separate ordinary and extraordinary beams at certain angle

* Large deviation

Calcite

350-2300

<5x10-5

16-22.5

α-BBO

190-3500

<5x10-6

15-27

YVO4

500-4000

<5x10-6

19.6-23.3

Quartz

200-2300

<5x10-5

2-3

Rochon Polarizer

Rochon Polarizer

* Optically Contacted Design, Medium Damage Threshold- 200MW/cm2

* Cemented Design, Low Damage Threshold- 100MW/cm2

* Split the ordinary and extraordinary ray, but only ordinary beam is deviated

MgF2

120-8500

<5x10-4

1-2

α-BBO

190-3500

<5x10-6

8-14

YVO4

500-4000

<5x10-6

9.8-13

Quartz

200-2300

<5x10-5

1-2


* A wide variety of custom design Polarizers are available upon request.