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Glan Laser Polarizers
Glan Laser prism polarizer is made of two same birefringent material prisms that are assembled with an air space. The polarizer is a modification of the Glan Taylor type and is designed to have less reflection loss at the prism junction. The polarizer with two escape windows allow the rejected beam to escape out of the polarizer, which makes it more desirable for high energy lasers. The surface quality of these faces is relatively poor as compared to that of entrance and exit faces. No scratch dig surface quality specifications are assigned to these faces. The polarized field F1 and F2 of these is shown in the plot below.
Angular Field vs Wavelength
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Features:
Specifications:
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Material: |
a -BBO, Calcite or YVO4 |
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Wavelength Range: |
a -BBO: 200-3500 nm, Calcite: 350-2300 nm, YVO4: 400-5000 nm |
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Extinction Ratio: |
Calcite:<5x10 -5 ; a -BBO:<5x10 -6 ; YVO4:<5x10 -6 |
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Parallelism: |
<1 arc Min |
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Surface Quality: |
20-10 |
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Beam Deviation: |
< 3 arc minutes |
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Wavefornt Distortion: |
l/4@633nm |
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Damage Threshold: |
>500 MW/cm 2 |
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Coating: |
Single MgF2 |
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Mount: |
Black Anodized Aluminium |
Standard Products
1. a -BBO Glan Laser Polarizer
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Part No. |
Wavelength Rang(nm) |
Extinction Ratio |
Angular Field(°) |
C.A.Φ a (mm) |
O.D. Φ d (mm) |
L±0.1(mm) |
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GLP6206 |
200-270(Single Layer MgF2)(Coating@245nm) |
<5x10 -6 |
>6.0° |
5 |
15 |
8 |
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GLP6208 |
7 |
25.4 |
10 |
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GLP6210 |
9 |
25.4 |
11 |
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GLP6215 |
13.5 |
30 |
15 |
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GLP6220 |
18 |
38 |
19 |
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GLP6306 |
300-700(Single Layer MgF2)(Coating@532nm) |
<5x10 -6 |
>6.0° |
5 |
15 |
8 |
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GLP6308 |
7 |
25.4 |
10 |
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GLP6310 |
9 |
25.4 |
11 |
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GLP6315 |
13.5 |
30 |
15 |
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GLP6320 |
18 |
38 |
19 |
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GLP6706 |
700-3000(Single Layer MgF2)(Coating@1064nm) |
<5x10-6 |
>6.0° |
5 |
15 |
8 |
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GLP6708 |
7 |
25.4 |
10 |
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GLP6710 |
9 |
25.4 |
11 |
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GLP6715 |
13.5 |
30 |
15 |
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GLP6720 |
18 |
38 |
19 |
2. Calcite Glan Laser Polarizer
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Part No. |
Wavelength Rang(nm) |
Extinction Ratio |
Angular Field(°) |
C.A.Φa (mm) |
O.D. Φ d (mm) |
L±0.1(mm) |
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GLP7006 |
350-2300(Single Layer MgF2)(Coating@1064nm) |
<5x10-5 |
>7.7° |
5 |
15 |
8 |
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GLP7008 |
7 |
25.4 |
10 |
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GLP7010 |
9 |
25.4 |
11 |
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GLP7015 |
13.5 |
30 |
15 |
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GLP7020 |
18 |
38 |
19 |
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3. YVO4 Glan Laser Polarizer
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Part No. |
Wavelength Rang(nm) |
Extinction Ratio |
Angular Field(°) |
C.A.Φ a (mm) |
O.D. Φ d (mm) |
L±0.1(mm) |
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GTP8006 |
500-4000(Single Layer MgF2)(Coating@1300nm) |
<5x10-6 |
>6.5° |
5 |
15 |
8 |
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GTP8008 |
7 |
25.4 |
10 |
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GTP8010 |
9 |
25.4 |
11 |
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GTP8015 |
13.5 |
30 |
15 |
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GTP8020 |
18 |
38 |
19 |
Note: Price list is for quantity <= 5 pcs
Call for OEM quantity pricing and Custom Design Polarizer.
A wide variety of custom design Glan Laser Polarizer are available upon request
Custom Size Mount is available upon request
AR coated Polarizer is available upon request
- Air-spaced
- Close to Brewster's Angle Cutting
- High Polarization Purity
- Short Length
- Suitable for low to medium power input where the rejected beam is not required
High Transmission Glan Laser Polarizers, FOCtek
