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Description

Magnesium Fluoride (MgF₂) waveplates are high-performance polarization optical components made from premium single-crystal magnesium fluoride. Leveraging the natural birefringence of MgF₂ crystal, they produce precise phase retardation for polarized light. Featuring ultra-broad spectral transmission from deep UV to infrared, low intrinsic fluorescence and excellent radiation resistance, MgF₂ waveplates maintain stable polarization performance under deep ultraviolet and high-energy laser irradiation. They are ideal for polarization modulation, beam control and spectral measurement in UV laser systems and high-sensitivity optical instruments.

High Precision MgF2 Waveplate Manufacturer | UV Half & Quarter Wave Plate Custom for Laser Polarization Control

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Specifications

Waveplate Type (Retardation Order): Zero Order
Material: MgF2
Mounting: Unmounted
Shape: Round
Surface Quality (Scratch-Dig): 40-20
Retardation: Lambda/2
Retardation Tolerance: +/- Lambda/500
Transmitted Wavefront Distortion (TWD): <= Lambda/6

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Features

  • Deep UV Broadband Transmission: Excellent transmittance in deep ultraviolet band, suitable for UV and far-ultraviolet optical systems
  • Low Intrinsic Fluorescence: No extra background signal under UV excitation, ensuring low-interference polarization control
  • High Laser Damage Threshold: Withstands high-energy pulsed and continuous laser radiation with stable optical performance
  • Natural Birefringence Stability: Reliable phase retardation with low sensitivity to temperature and wavelength variation
  • Superior Chemical & Thermal Stability: Inert material resistant to corrosion, moisture and thermal shock for long-term service
  • Low Optical Scattering: High-purity crystal structure minimizes light scattering and energy loss

Applications

  • UV Laser Systems: Polarization adjustment and phase retardation for deep UV and excimer laser optical paths
  • Spectral Analysis Instruments: Polarization control in UV-IR spectrometers and high-sensitivity detection equipment
  • Semiconductor Optics: Used for polarization modulation in wafer inspection and ultraviolet precision testing systems
  • Laser Polarization Engineering: Conversion between linear and circular polarized light in high-energy laser devices
  • Scientific Research Experiments: Applied in polarization optics, interferometry and deep UV optical research platforms

Frequently Asked Questions

What are the advantages of MgF₂ waveplates compared with quartz waveplates?
MgF₂ waveplates have better deep UV transmittance, lower fluorescence and stronger anti-radiation performance, making them more suitable for deep ultraviolet and high-energy laser applications where quartz cannot work stably.
Does MgF₂ waveplate support zero-order design?
Yes, it can be fabricated into zero-order retardation structure to achieve ultra-low wavelength and temperature sensitivity for high-precision broadband UV optical systems.
What is the main difference between zero-order and multi-order waveplates?
Zero-order waveplates provide exactly one wavelength of phase retardation with very low temperature and wavelength sensitivity. Multi-order waveplates are composed of multiple integer wave orders, thicker in size, more sensitive to ambient temperature and wavelength shift, but with lower cost and easier processing.

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