Glan-Thompson Polarizer Calcite 350-2300nm High Extinction Ratio
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China
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On FindLight:
since 2019
Description
Photonchina presents the Glan-Thompson Polarizer, a precision optical device crafted from two cemented calcite or a-BBO prisms. This polarizer stands out for its exceptional optical clarity, ensuring the separation of unpolarized light into distinct polarized beams. As light enters the polarizer, it interacts at the junction of the calcite crystals, effectively splitting into S-polarized (e-ray) and P-polarized (o-ray) components. This separation is crucial for applications requiring distinct linear polarization states, making Photonchina's Glan-Thompson Polarizer a reliable choice for specialized optical needs.
The design of the Glan-Thompson Polarizer boasts a large field of view, making it particularly suitable for managing highly converging or diverging beams. This feature ensures high polarization efficiency and excellent transmission rates across both emerging beams. The polarizer is meticulously engineered to maintain superior optical performance, making it an indispensable component for applications where the utilization of both linear polarization states is necessary.
While the Glan-Thompson Polarizer offers outstanding optical capabilities, it is essential to handle it with care due to the sensitivity of calcite crystals to temperature fluctuations. To prevent thermal shock, it is advisable to allow the polarizer to acclimate for 6-8 hours upon arrival. Additionally, the polarizer's cemented prism interface limits its optical intensity, making it suitable for low-power applications. For higher power requirements, Photonchina recommends exploring their Glan Laser Polarizers, which are designed to withstand more demanding conditions.
Glan-Thompson Polarizer Calcite 350-2300nm High Extinction Ratio
Specifications |
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|---|---|
| Material: | Calcite, Custom, YVO4, a-BBO |
| Wavelength Range: | 200 – 3500 nm |
| Max Extinction Ratio: | >= 100:1, >= 1000:1, >= 10000:1 |
| Wavefront Distortion: | <= Lambda/4, <= Lambda/6, <= Lambda/10, <= Lambda/20 |
| Surface Quality (Input, Output Faces): | 60-40 scratch-dig, 40-20 scratch-dig, 20-10 scratch-dig, 10-5 scratch-dig |
| Material: | a-BBO, Calcite |
| Wavelength Range: | a-BBO: 200～3500 nm, Calcite: 350～2300 nm |
| Extinction Ratio: | a-BBO:<5x10-6 , Calcite:<5x10-5 |
| Surface Quality: | 20 / 10 |
| Parallelism: | <1 arc Min |
| Beam Deviation: | < 3 arc minutes |
| Wavefront Distortion: | λ /4@633nm |
| Damage Threshold: | >200 MW/cm² |
| Coating: | Single MgF2 |
| Mount: | Black Anodized Aluminium |
Features
- Wide Field of View: Ideal for highly converging or diverging beams, providing high polarization and great transmission.
- High Extinction Ratio: Ensures superior separation of polarized light.
- Coating Options: Available in both coated and uncoated types, with wavelength ranges of 350-2300 nm for uncoated, and 350-700 nm or 650-1050 nm for AR coated options.
- Material Choices: Available in calcite or a-BBO crystal, catering to different application needs.
- Mounting Options: Photonchina provides both mounted and unmounted Glan-Thompson Polarizers.
- Limitations/Warnings:
- Calcite crystals are sensitive to temperature and may crack under thermal shock. Allow 6-8 hours for thermal equilibrium after delivery.
- Glan-Thompson Polarizers are suitable for low power applications due to their cemented prism interface. For high power applications, consider Photonchina’s Glan Laser Polarizers.
Applications
- Wide field of view: Ideal for highly converging or diverging beams.
- High extinction ratio: Provides excellent polarization.
- Coating options: Available in both coated and uncoated types.
- Uncoated: 350-2300 nm
- AR Coated: 350-700 nm or 650-1050 nm
- Material options: Choose from calcite or a-BBO crystal.
- Mounting options: Both mounted and unmounted are available.
Frequently Asked Questions
The damage threshold for the High Transmission Glan Laser Polarizers is >500 MW/cm2.
The incidence angle of the High Transmission Glan Laser Polarizers is brewster angle cut.
The polarizers are not recommended to use for large acceptance angle. It is typically used at the angle within +/-5 degrees.
The surface quality of Photonchina’s Glan-Thompson Polarizer is 20/10.
The wavelength range for the uncoated Glan-Thompson Polarizer is 350-2300 nm.