Glan Thompson Polarizer

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.  

 

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

 

 Features:
Cemented
Wide Acceptance Angle Field
Suitable for Low Power Applicatio 

 

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
 

 

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