The highly efficient Harrick Wire Grid Polarizer consists of a wire grid that is holographically deposited onto a KRS-5 substrate. This polarizer has a wide spectral range from 5000 cm⁻¹ to 285 cm⁻¹. The thin profile of this polarizer makes it convenient for applications in which there are space constraints. The general-purpose model is mounted into a fully 0° to 360° rotatable slide plate. Accessory-specific configurations of this polarizer are designed to fit the Harrick Seagull, VariGATR/GATR, and FastIR accessories. This polarizer is ideal for removing interference fringes from transmission spectra recorded at Brewster’s angle and excellent for obtaining optimum sensitivity for reflectance measurements.