Glan Laser Polarizers

Air-Spaced Architecture: The polarizers are constructed with an air-gap structure, free from adhesive, allowing them to handle high power levels of greater than 500 MW/cm² at 1064 nm, 20 ns, 20 Hz.

High Precision: The polarizers are made with materials that pass laser scattering tests, ensuring high precision and an exceptional extinction ratio ranging from 20,000:1 to 200,000:1.

Housing: Available in black anodized aluminum, with options for rectangular or circular designs. Black glass can be used to absorb dumped light, and escape ports can be configured to prevent power absorption or utilize rejected ordinary light.

Applications: Laser Physics and Research, Industrial Applications, Scientific Instrumentation, etc.

A Glan Laser Polarizer consists of two identical right-angle prisms made from birefringent crystalline materials. It is designed to filter specific polarization components of light by utilizing the unique optical properties of the crystal materials. This type of polarizer is known for its high polarization purity and can handle high-power applications.

Specifications:

Item Calcite GLP a-BBO GLP YVO4 GLP
Wavelength Range 350-2000nm 190-3500nm 500-4000nm
Extinction Ratio <5×10-5 <5×10-6 <5×10-6
Surface Quality 20/10 S/D
Beam Deviation < 3 arc minutes
Wavefront Distortion <λ/4@633nm
Damage Threshold >500MW/cm2@1064nm, 20ns, 20Hz
Coating P Coating Or AR Coating
Mount Black Anodized Aluminium

 

Key Features:

  • Air-Spaced Architecture: The polarizers are constructed with an air-gap structure, free from adhesive, allowing them to handle high power levels of greater than 500 MW/cm² at 1064 nm, 20 ns, 20 Hz.
  • High Precision: The polarizers are made with materials that pass laser scattering tests, ensuring high precision and an exceptional extinction ratio ranging from 20,000:1 to 200,000:1.
  • Housing: Available in black anodized aluminum, with options for rectangular or circular designs. Black glass can be used to absorb dumped light, and escape ports can be configured to prevent power absorption or utilize rejected ordinary light.

Materials and Coatings:

  • Substrate Materials:
    • Calcite: Transmission range of 350-2300 nm.
    • Alpha-BBO: Transmission ranges of 200-300 nm and 300-700 nm.
    • YVO4: Transmission range of 500-4000 nm.
  • Coatings: Available in broadband coatings for UV, VIS, and MWIR spectra, with protective coatings if required.

Applications:

1.Laser Physics and Research:

  • High-Power Laser Systems: Glan Laser Polarizers are well-suited for use in high-power laser systems, such as those used in laser material processing, where high-energy laser beams are required.
  • Polarization Control: In laser research, precise control of laser polarization is crucial. Glan Laser Polarizers offer high polarization purity, making them ideal for applications that demand stringent polarization requirements.

2.Industrial Applications:

  • Laser Material Processing: These polarizers are commonly used in laser cutting, welding, and drilling applications, where high-power lasers are employed to precisely modify or join materials.
  • Laser Marking and Engraving: Glan Laser Polarizers enable precise control over the polarization state of the laser beam, enhancing the quality and accuracy of laser marking and engraving processes.

3.Scientific Instrumentation:

  • Spectroscopy: In spectroscopic applications, Glan Laser Polarizers can be used to isolate specific polarization states of light, enabling detailed analysis of material properties.
  • Optical Metrology: For precise measurements of optical properties, such as refractive index and birefringence, Glan Laser Polarizers provide a reliable means of polarizing light.

Glan Laser Polarizers are versatile optical devices with a wide range of applications across scientific, industrial, and medical fields. Their high polarization purity, broad wavelength coverage, and ability to handle high-energy laser beams make them essential components in many advanced laser systems.