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Help CenterGlan Laser Polarizer,Glan Thompson Polarizer, Glan Thompson Polarizer
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Glan Laser Polarizer
Glan Laser polarizer is made of two same birefringent material prisms that are assembled with an air space. Photonchina’s 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.
Photonchina Feature：
●Air-spaced
●Close to Brewster's Angle Cutting
●High Polarization Purity
●Short Length
●Wide Wavelength Range
●Suitable for medium power application
Specifications：
Material: a-BBO, Calcite or YVO 4
Wavelength Range: BBO:200～3500 nm, Calcite:350～2300 nm, YVO4:500～4000 nm
Extinction Ratio: Calcite:
Surface Quality: 20 / 10
Parallelism:
Beam Deviation:
Wavefront Distortion: λ /4@633nm
Damage Threshold: >500 MW/cm2
Coating: Single MgF2
Mount: Black Anodized Aluminium
Glan Taylor Polarizer
Glan Taylor polarizer is made of two birefringent prisms that are assembled with an air space.
The polarizer with no side escape windows is suitable for low to medium power application where the side rejected beams are not required.
Photonchina Feature：
●Air-spaced
●Close to Brewster's Angle Cutting
●High Polarization Purity
●Short Length
●Wide Wavelength Range
●Suitable for low to medium power application
1. Calcite Glan Taylor Polarizer
C.A. fa(mm) O.D. fd(mm) L ¯0.1(mm)
6.0 15.0 15.0
8.0 25.4 17.0
10.0 25.4 19.0
15.0 30.0 23.0
20.0 38.0 29.0
2. a-BBO Glan Taylor Polarizer
C.A. fa(mm) O.D. fd(mm) L¯0.1(mm)
6.0 15.0 15.0
8.0 25.4 17.0
10.0 25.4 19.0
15.0 30.0 23.0
20.0 38.0 29.0
3. YVO4 Glan Taylor Polarizer
C.A. fa(mm) O.D. fd(mm) L ¯0.1(mm)
6.0 15.0 12.0
8.0 25.4 15.0
10.0 25.4 17.0
15.0 30.0 20.0
20.0 38.0 25.0
Glan-Thompson Polarizer
Photonchina’s Glan-Thompson Polarizer is made of two cemented calcite (or a-BBO) prisms that are at the highest optical level. When the unpolarized light enters Glan-Thmopson Polarizer, it will separate at the intersection of the two calcite crystals. S-polarized light (e-ray) then goes on and P-polarized light (o-ray) will be reflected.
Function of Glan Thompson Polarizer
Thanks to the large field of view, the polarizer is ideal for highly converging or diverging beams. They provide high polarization and great transmission in the two emerging beams which are useful if it is required to utilize both linear polarization states.
Features of Photonchina’s Glan-Thompson Polarizer
Wide field of view
High extinction ratio
Both coated and uncoated types are available:
350-2300 nm for uncoated; 350-700nm or 650-1050nm for AR coated
You may choose from calcite or a-BBO crystal
Both mounted and unmounted are provided by Photonchina
Specifications of Photonchina’s Glan-Thompson Polarizer
Material: a-BBO, Calcite
Wavelength Range: a-BBO: 200～3500 nm, Calcite: 350～2300 nm
Extinction Ratio: a-BBO:
Surface Quality: 20 / 10
Parallelism:
Beam Deviation:
Wavefront Distortion: λ /4@633nm
Damage Threshold: >200 MW/cm2
Coating: Single MgF2
Mount: Black Anodized Aluminium
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