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All Products / Optics / Polarization Optics / Retarders (Waveplates) / Crystalline Waveplates
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Mid-Wave Infrared (MWIR) and Long-Wave Infrared (LWIR) Waveplates

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  • Ideal for Applications in the 3 – 9μm Range
  • λ/4 and λ/2 Retardance
  • Mounted for Easy Alignment and System Integration

Our zero order Mid-Wave Infrared (MWIR) and Long-Wave Infrared (LWIR) Waveplates are designed for applications in the 3 – 9μm wavelength range. When compared to multiple order waveplates, zero order waveplates provide increased bandwidth and lower sensitivity to temperature change. These waveplates are available with λ/4 or λ/2 retardance in a range of wavelengths, offer efficient retardation over broad spectral ranges, and are ideal for a variety of infrared (IR) applications. Each MWIR and LWIR waveplate is anti-reflection coated, and has been mounted to ease system integration.

Contrast measurement of waveplates placed between two Glan polarizers. λ/4 waveplate shows 50% transmission value at 5μm as it converts linear polarization to circular.
Contrast measurement of waveplates placed between two Glan polarizers. λ/4 waveplate shows 50% transmission value at 5μm as it converts linear polarization to circular.