How does a Glan-Taylor polarizer differ from Glan-Thompson and Glan-Laser types?

Glan-Taylor polarizers use an air gap between prisms, allowing higher power handling and broader wavelength coverage than cemented Glan-Thompson designs, which rely on an optical cement layer that limits damage threshold and spectral range. Compared to Glan-Laser polarizers, Glan-Taylor units generally have a wider acceptance angle but slightly lower extinction ratio and may show more reflection losses depending on AR coatings and housing design.

What materials and wavelength ranges are typical for Glan-Taylor polarizers?

Standard Glan-Taylor polarizers use calcite crystals for visible to near‑IR operation, typically ~350–2300 nm depending on coatings and crystal quality. For deep‑UV and shorter wavelengths, α-BBO or other UV-grade birefringent crystals are used, with operating ranges that can extend down to ~190–210 nm but usually with higher cost and more stringent handling requirements.

Which key specifications should I consider when selecting a Glan-Taylor polarizer?

Critical parameters include clear aperture, wavelength range, extinction ratio (e.g., 10⁴–10⁵), damage threshold, and angular acceptance. You should also consider transmitted wavefront distortion, AR coating type and bandwidth, mechanical mount (threading/adapter compatibility), and the orientation of the polarization axis relative to the housing for integration into your optical setup.

How do transmission, extinction ratio, and acceptance angle trade off in Glan-Taylor designs?

Higher extinction ratio often comes at the cost of lower transmission or tighter angular acceptance because the prism angles and air-gap geometry are optimized to reject the ordinary ray more strongly. Broad angular acceptance designs may have slightly reduced extinction or require more careful AR coating design to maintain good transmission across a wide field and spectral band.

What factors influence lead time, customization, and pricing for Glan-Taylor polarizers?

Lead times depend on crystal availability, coating runs, and whether the part is a catalog item or a custom design, with custom apertures, nonstandard wavelength coatings, and special housings typically adding weeks. Pricing is mainly driven by crystal size and grade, material (calcite vs α-BBO), coating complexity (single-band vs broadband or multi-band), and any tight tolerances on extinction ratio, transmitted wavefront error, or laser damage threshold.

How can I find, compare, and request quotes for Glan-Taylor polarizers on FindLight without registering?

On FindLight, navigate to Optics → Polarization Optics → Glan-Taylor Polarizers, then filter by wavelength range, material, aperture, and coating to narrow the list. You can open multiple product pages in parallel to compare specs side by side, and use the built-in contact or “Request Quote” forms on each listing to reach suppliers directly via email without creating an account.

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Calcite

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YVO4

>= 100,000:1

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<= Lambda/4

20-10 scratch-dig

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Glan-Taylor Polarizers

Glan-Taylor Polarizers for Precise Polarization Control

Q: What is a Glan-Taylor polarizer and how does it work?

A Glan-Taylor polarizer is a prism polarizer made from two air-spaced birefringent crystal prisms, typically calcite or α-BBO, cemented mechanically in a housing. It separates an incident beam into ordinary and extraordinary rays and transmits only the extraordinary polarization while the ordinary ray is totally internally reflected and absorbed or dumped, providing a highly linearly polarized output.

Glan-Taylor Polarizers

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Sold by: BoJen Optics, Inc. Ships from: China

Specifications
Material:	Calcite, a-BBO
Transmission Wavelength Range:	400 – 700 nm
Max Extinction Ratio:	Not Available
Wavefront Distortion:	<= Lambda/4
Surface Quality (Input, Output Faces):	20-10 scratch-dig

Glan Taylor Polarizer

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Sold by: Union Optic Ships from: China

Specifications
Material:	Calcite, a-BBO, YVO4
Transmission Wavelength Range:	220 – 4000 nm
Max Extinction Ratio:	>= 100,000:1
Wavefront Distortion:	<= Lambda/4
Surface Quality (Input, Output Faces):	20-10 scratch-dig

Did You Know?

The history of Glan-Taylor Polarizer dates back to 1948, when it was first described by Archard and Taylor. The material used here generally is Calcite or other birefringent material with two right angled prisms which are separated by an air gap along the long faces of the prisms. The optical axes of the calcite crystals are aligned parallel to the plane of reflection. Total internal reflection of s-polarized light at the air-gap ensures that only p-polarized light is transmitted by the device. Glan-Taylor polarizer finds applications where “cleaning” the polarization of a light source, or attenuation of polarized light source is required. This has an advantage in terms of higher extinction ratio which allows to have better polarization purity, and broadband spectral operation range.

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More on Wikipedia

Frequently Asked Questions

A Glan-Taylor polarizer is a prism polarizer made from two air-spaced birefringent crystal prisms, typically calcite or α-BBO, cemented mechanically in a housing. It separates an incident beam into ordinary and extraordinary rays and transmits only the extraordinary polarization while the ordinary ray is totally internally reflected and absorbed or dumped, providing a highly linearly polarized output.

Overview of Glan-Taylor Polarizers

Glan-Taylor Polarizers are air-spaced birefringent prism polarizers, typically fabricated from calcite or α-BBO, designed to transmit a single linear polarization state while rejecting the orthogonal component. Their air gap between the two prisms supports high laser damage thresholds and low absorption, making Glan-Taylor Polarizers suitable for high-intensity laser and broadband optical setups.

These components provide a narrow acceptance angle and are commonly used in free-space beam paths where high extinction ratio and low wavefront distortion are required. On FindLight, Glan-Taylor Polarizers are listed under Light Transport optics for integration into R&D experiments, metrology benches, and precision polarization control assemblies.

Typical Specifications and Performance

When evaluating Glan-Taylor Polarizers, procurement engineers and scientists typically review:

Material: Calcite for VIS–NIR (≈350–2300 nm); α-BBO for deeper UV operation.
Wavelength range: Defined operating band (e.g., 350–700 nm, 400–700 nm, 650–1100 nm).
Aperture and clear aperture: Input aperture sizes (e.g., 5–10 mm) and usable clear aperture versus mounting.
Extinction ratio: Often 10⁵:1 or higher for the transmitted polarization.
Damage threshold: Specified in MW/cm² or J/cm² for CW and pulsed lasers.
Acceptance angle and beam deviation: Important for alignment-sensitive setups.
Coatings: AR coatings on entrance and exit faces to minimize reflection losses.

Glan-Taylor Polarizers are used in polarization-sensitive spectroscopy, laser power stabilization, interferometry, polarization microscopy, and as intracavity or external-cavity elements in solid-state and diode-pumped lasers.

Buyer Guidance on FindLight

On FindLight, you can compare available Glan-Taylor Polarizers by material, wavelength range, clear aperture, extinction ratio, and coating options. Review mechanical form factors, including cube versus mounted cylindrical housings, as well as compatibility with existing opto-mechanical holders.

For critical laser applications, match the specified damage threshold of the Glan-Taylor Polarizers to your pulse duration, repetition rate, and beam diameter. Check transmitted wavefront distortion and surface quality if you are working with high-precision imaging or interferometry.

Once suitable Glan-Taylor Polarizers are identified, you can request detailed quotations and technical documentation directly from suppliers. No registration is required to send inquiries, enabling rapid comparison of pricing, lead times, and any available custom options such as non-standard apertures or coating bands.