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Broadband Glan Thompson Polarizer(Broadband DUV Polarizer 200-3300nm), FOCtek
Foctek Patent Pending Broadband Glan Thompson Polarizer is made of two a-BBO prisms cemented together. Unlike other types of a-BBO polarizer and Calcite Polarizer which are used from about 200 nm to 900 nm and 350 nm to 2300 nm respectively, this broadband polarizer has a wide rang of wavelength from 200nm to 3300nm. Also the broadband polarizer has a wide acceptance angle whose field angle Fo and Fe is shown in below figure.
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Angular Field vs wavelength |
Transmission (T%) vs Wavelength |
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a-BBO:200~3200 |
GMP6200 |
Specifications
Material: |
a-BBO |
Flatness: |
λ/4@633nm |
WavelengthRange: |
200~3300 nm |
Damage Threshold: |
>200 MW/cm2 |
Ectinction Ratio: |
<5x10-6 |
Coating: |
Single MgF2 |
Surface Quality: |
20-10 |
Mount: |
Black Anodized Aluminium |
Beam Deviation: |
<3 arc minutes |
Standard Products
P/N# |
Extinction Ratio |
Angular Field (deg) |
CA φa (mm) |
O.D. φd (mm) |
L+/-0.1 (mm) |
|
GMP6206 |
<5x10-6 |
See above |
5 |
15 |
14 |
|
GMP6208 |
7 |
25.4 |
17 |
|||
GMP6210 |
9 |
25.4 |
21 |
|||
GMP6212 |
11.4 |
25.4 |
26 |
|||
GMP6215 |
13.5 |
30 |
31 |
|||
GMP6220 |
18 |
38 |
40 |
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