MWIR Polarizer
This polarizer is a wire grid on an antireflection coated silicon substrate optimized for 3 to 6 microns. The ring mounting provides for ease of handling and has the polarization transmission direction marked. The wire grid surface is quite delicate and should only be cleaned non‐mechanically. Standard outer diameters are one and two inch but custom sizes, shapes and unmounted polarizers are also available.
Key Features
Excellent contrast ratio
Thin profile
High transmission
Custom apertures > 2 inches available
Polarization Suite
Linear Polarizers
Precision Linear Polarizer
High Contrast Linear Polarizer
Ultra‐High Contrast Linear Polarizer
Glan‐Thompson Polarizer
Ultra Broadband Polarizer
MWIR Polarizer
Deep Ultraviolet Polarizer
Beamsplitting Polarizers
Wire Grid Versalight Polarizer
Wire Grid Versalight Beam Splitter
Laser Line Beamsplitting Polarizer
Broadband Beamsplitting Polarizer
Polarizing Bandpass Filter
Circular Polarizers
Dichroic Circular Polarizer
Beam Separator
SPECIFICATIONS
Substrate Material
Silicon, 0.7 mm thick
Coating
Double side AR
Wavelength Range
3 µm to 6 µm
Contrast Ratio
See graph
Acceptance Angle
≤ 20˚
Transmitted Wavefront Distortion (per inch)
≤ 1.5λ (P‐V at 4µm)
≤ λ/3 (RMS at 4µm)
Beam Deviation
≤ 2 arc min
Maximum Aperture
Up to 4 inches circular
Surface Quality
80 – 50 scratch‐dig
ORDERING INFORMATION
Diameter in. (mm)
Clear Aperture in. (mm)
Thickness in. (mm)
Mounted Part Number
Ø1.00 (25.4 mm)
Ø0.76 (19.3 mm)
0.182
(4.62 mm)
MPM – 100
Ø2.00 (50.8 mm)
Ø1.76 (44.7 mm)
0.182
(4.62 mm)
MPM – 200