Nonlinear LBO Crystal

alpha-BBO & Calcite Glan Thompson Polarizer

Glan Thompson Polarizer is made of two α-BBO or calcite prisms cemented together. It has a wavelength from 200nm to 2300nm. α-BBO polarizer can be used from about 200nm to 1100nm, and calcite polarizer can be used from 350nm to 2300nm.   This type polarizer has higher extinction ratio than air spaced polarizer. And it has the widest field angle of any design. For example, α-BBO Glan Thompson Polarizer has an angular field lager than 15 degree.

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products Details
Item: Glan Thompson Polarizer 
Features:
Cemented
Wide Acceptance Angle Field
Suitable for Low Power Application

 

Material:

α-BBO,Calcite

Wavelength Range:

α-BBO:200-1100nm,Calcite:350-2300nm

Extinction Ratio:

α-BBO:<5×10-6,Calcite:<5×10-6

Surface Quality:

10月20日

Beam Deviation:

<3 arc minutes

Wavefornt Distortion:

λ/4@633nm

Damage Threshold:

>200MW/cm2

Coating:

Single Layer MgF2

Holder:

Black Anodized Aluminum

α-BBO Glan Thompson Polarizer

Par. No.

Wavelength Range(nm)

Extinction
Ratio

Angular
Field(°)

C.A.(φa)±0.1
(mm)

O.D.(φd)±0.1
(mm)

L±0.1
(mm)

PGM6006

200-2300nm
(Coating@1300nm)

<5×10-5

>15°

6.0

15.0

18.6

PGM6008

8.0

25.4

21.8

PGM6010

10.0

25.4

25.5

PGM6015

15.0

30.0

34.3

PGM6020

20.0

38.0

43.5

Calcite Glan Thompson Polarizer

Par. No.

Wavelength Range(nm)

Extinction
Ratio

Angular
Field(°)

C.A.(φa)±0.1
(mm)

O.D.(φd)±0.1
(mm)

L±0.1
(mm)

PGM7106

350-2300nm
(Coating@1300nm)

<5×10-6

14-16°

6.0

15.0

23.0

PGM7108

8.0

25.4

28.0

PGM7110

10.0

25.4

33.0

PGM7115

15.0

30.0

45.5

PGM7206

350-2300nm
(Coating@1300nm)

<5×10-6

25-28°

6.0

15.0

26.0

PGM7208

8.0

25.4

32.0

PGM7210

10.0

25.4

38.0

PGM7215

15.0

30.0

53.0

Order based on client requirement, including non-standard product and holder.



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