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• --FT-IR Polarizers-- GS12000 - KRS-5 GS12700 - Ge GS12800 - CaF2 GS12900 - BaF2 GS12950 - ZnSe

 

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FT-IR Infrared Polarizers

GS12000 Series Wire Grid Polarizers

Specac manufacture a range of infrared wire grid polarizers for FT-IR spectroscopic analysis. Applications include: the study of orientation effects of single crystals, polymers, and other molecules, measuring thin films on reflective surfaces, and obtaining optimum sensitivity for reflectance measurements.

 

These polarizers are available on a choice of calcium fluoride (CaF₂), barium fluoride (BaF₂), zinc selenide (ZnSe), thalium bromoiodiode (KRS-5), or germanium (Ge) substrates. With a grid periodicity of 4000 lines/mm, they offer high extinction coefficients and excellent throughput over the range 5000 cm^-1 to 285 cm^-1. The thin profile of this polarizer makes it suitable for FT-IR applications in which there are space constraints.

 

These polarizers are designed to fit directly into the aperture ports of all Specac Benchmark™ baseplate compatible accessories, such as the Golden Gate™ ATR, Silver Gate™ Evolution ATR, Gateway™ horizontal ATR systems, and the Cyclone™ and Tornado™ long pathlength gas cells. Alternatively, these polarizers are compatible with Specac’s GS12500 3” by 2” Slide Mount Polarizer Mount.

 

 

Features and Benefits

• Wavelength range: 5000 cm^-1 to 285 cm^-1
• CaF₂, BaF₂, ZnSe, KRS-5, and Ge substrates
• High extinction ratio
• High transmission
• 25 mm clear aperture
• FT-IR compatible mounting features
• Wide acceptance angle for non-collimated beam

 

Ordering Information

GS12000 – KRS-5 Polarizer

GS12700 – Ge Polarizer

GS12800 – CaF2 Polarizer

GS12900 – BaF2 Polarizer

GS12950 – ZnSe Polarizer