
We offer polypropylene film-based polarizers for IR and THz spectral ranges. The film has ultra-fine grooves partially coated with aluminum. The result is that the polarizer behaves as a transmission grating. We can supply 1-inch diameters up to 6 inches
Our Polarizers are built to your custom specifications and have the highest quality of polarizers to help with your research and development needs.


Nielson Scientific’s THz and IR polarizers provide precise control over the polarization of electromagnetic waves by transmitting only the electric field component aligned with a defined axis while attenuating the orthogonal component. This produces a clean, linearly polarized signal, improving measurement accuracy and reducing unwanted noise. They are essential for applications such as spectroscopy, imaging, and material characterization, where polarization-dependent effects are critical.







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