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50mm Dia. BaF2, IR Holographic Wire Grid Polarizer

50mm Dia. BaF<sub>2</sub>, IR Holographic Wire Grid Polarizer, #62-771

50mm Dia. BaF2, IR Holographic Wire Grid Polarizer, #62-771

Stock #62-771
$1,640.00
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Qty 1-5
$1,640.00
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$1,299.00
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Mount:
Black Anodized Aluminum
Operating Temperature (°C):
-20 to 75
Substrate:
Barium Fluoride (BaF2)
Thickness (mm):
2.00
Clear Aperture CA (mm):
34.0
Diameter (mm):
50.00
Extinction Ratio:
150:1 @ 3µm, 300:1 @ 10µm
Construction:
Wire Grid
Wavelength Range (nm):
2000 - 12000
Transmission (%):
>65
Dimensional Tolerance (mm):
±0.2
Polarization:
Notches on polarizer ring are aligned with wires of wire grid
Surface Flatness:
λ/10 @ 10.6μm
Angle of Incidence (°):
0
Damage Threshold, CW:
50 W/cm2
Groove Density (grooves/mm):
2700.00
Groove Parallelism to Edge (°):
N/A
Mount Thickness (mm):
6.0
Type:
Linear Polarizer
Parallelism (arcmin):
≤3
Ring Thickness (mm):
±0.1
Note:
Notches on polarizer ring are aligned with wires of wire grid (max. reflection)

Regulatory Compliance

RoHS:

Product Family Description

  • Designed for Wavelengths Ranging from 2 - 30μm
  • Various Substrates Available
  • 360° Rotation Using Metric Polarizer Mounts

Infrared (IR) Wire Grid Polarizers are used to polarize light from unpolarized infrared laser sources, as well as attenuate light from polarized ones. When two wire grid polarizers are used together, high extinction ratios greater than 40,000:1 can be achieved. The polarization axis of each polarizer is marked by two white lines etched into the surface of its protective ring. Infrared (IR) Wire Grid Polarizers are used in a variety of medical imaging, aerospace, FTIR spectrophotometry, and analytical instrumentation applications.

Infrared (IR) Wire Grid Polarizers are manufactured by a special holographic technique that creates sub-micron wire grid spacing. Compared to conventional ruled wire grid methods, the holographic method creates finer groove spacing which optimizes short wavelength performance. We offer holographic wire grid polarizers of Barium Fluoride (BaF2), Zinc Selenide (ZnSe), Thallium Bromoiodide (KRS-5), and Germanium (Ge). 

Note: Special care should be taken when handling KRS-5 and Zinc Selenide as they are toxic materials. Always wear rubber or plastic gloves to avoid risk of contamination.

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