UVFS Thin Film polarizer (high transmission)

UVFS Thin Film polarizer (high transmission)

UVFS Thin Film polarizer (high transmission) dia.31.75mm, thickness 3.0mm,
SQ 20-10s/d, TWD l/4@633nm, parallelism 30″, both sides coated
Rs/Tp>99.5/99.0%@355nm, AOI=56deg.

אנו משווקים בישראל מוצרי אופטיקה איכותית ואתם מוזמנים ליצור עימנו קשר לקבלת ייעוץ, פרטים נוספים והצעת מחיר

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UVFS Thin Film polarizer (high transmission)
UVFS Thin Film polarizer (high transmission)

What are Thin-film polarizers?

Thin-film polarizers utilize the interference of light waves within a series of dielectric layers, deposited onto a substrate like glass. to selectively transmit or reflect light based on its polarization. Unlike other polarizers. they achieve this without relying on birefringent materials. Specifically, they’re designed to reflect s-polarized light and transmit p-polarized light over a range of incidence angles. with 45 degrees being a frequently used angle for a 90-degree reflection.

Thin Film Laser Polarizers

Thin film laser polarizers separate the s- and p-polarization components. TFP Polarizers are designed for use in high energy lasers.

We can also provide: FEMTOLINE THIN FILM LASER POLARIZERS (ROUND), BROADBAND THIN FILM LASER POLARIZERS (AT 70°), FEMTOLINE THIN FILM LASER POLARIZERS (RECTANGULAR), ND:YAG THIN FILM LASER POLARIZERS (ROUND), THIN FILM LASER POLARIZERS (AT 45°) and customized thin film polarizers.

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Spec for example

MaterialUV FS
Surface quality20-10 scratch & dig (MIL-PRF-13830B)
Transmitted wavefront distortionλ/10 @ 633 nm
Parallelism< 30 arcsec
Clear aperture> 90%
Angle of incidence56°
Angle of Incidence Tolerance±2°
Diameter tolerance+0.0 / -0.12 mm
Thickness tolerance±0.2 mm
Laser damage threshold10 J/cm2, 10 nsec pulse at 1064 nm typical, 50 Hz
Extinction ratio Tp/Ts>200:1 (for standard, HT and UHT series)>1000:1 (for HE series)

Here are 10 similar or competing products that are in top demand today:

  1. Laser-Line Polarizing Cube Beamsplitters: These are a direct alternative to thin-film polarizers. They are made by cementing two prisms together with a dielectric coating at the hypotenuse. They are in high demand for laser systems because they offer a high extinction ratio and are easy to align. They are commonly available for specific laser wavelengths like 1064 nm and 532 nm.
  2. Wire-Grid Polarizers: These are a modern, high-performance type of polarizer made by fabricating a sub-wavelength grid of parallel metallic wires on a substrate. They are in high demand for their ability to handle high power and their broad spectral range, extending into the infrared (IR). They are a top choice for applications like LiDAR and thermal imaging.
  3. Glan-Taylor and Glan-Thompson Polarizing Prisms: These are crystalline polarizers, typically made from calcite or quartz, that use birefringence to separate polarizations. They offer an extremely high extinction ratio (the ratio of the desired polarization to the rejected one) and are a gold standard in scientific and metrology applications where ultimate polarization purity is required.
  4. Birefringent Beam Displacers (e.g., Calcite or Yttrium Orthovanadate): These components use the natural birefringence of a crystal to split an unpolarized beam into two parallel, spatially separated beams with orthogonal polarizations. They are in high demand for applications like interferometry and high-resolution imaging.
  5. Waveplates (Retarders): While not polarizers themselves, waveplates (quarter-wave and half-wave plates) are essential for polarization control. They are used to rotate the polarization of a beam or to convert linear polarization into circular or elliptical polarization. They are in top demand in almost every field of photonics and laser optics.
  6. Polarizing Filters (Dichroic Polymer): These are the most common type of polarizer, found in products like polarized sunglasses and camera filters. They work by absorbing the unwanted polarization state. They are in high demand for their low cost and large-format availability, but are generally not suitable for high-power laser applications.
  7. Fiber-Optic Polarizers: These are integrated components for fiber optic systems. They are in high demand for the telecommunications industry and sensing applications that require maintaining or controlling the polarization state of light within a fiber, crucial for high-speed data transmission and sensitive sensors.
  8. Depolarizers: As a complementary product to polarizers, depolarizers are used to randomize the polarization state of a beam. They are in demand for applications where polarization sensitivity can cause measurement errors, such as in spectrometers and some imaging systems.
  9. Broadband Polarizing Beamsplitters: These components are designed to work over a wide range of wavelengths, unlike laser-line polarizers that are optimized for a single wavelength. They are in high demand for tunable laser systems, spectroscopy, and other applications that use a broadband light source.
  10. Custom-Coated Optics: Beyond standard catalog products, there is a strong demand for custom-designed thin-film coatings for polarizers and other optical components. These are tailored to a specific wavelength, angle, and laser power, providing a specialized solution for high-end research and industrial laser systems.

Tags: BROADBAND THIN FILM LASER POLARIZERS, customized thin film polarizers, FEMTOLINE THIN FILM LASER POLARIZERS, ND:YAG THIN FILM LASER POLARIZERS, Thin Film Laser Polarizers, UVFS Thin Film polarizer (high transmission)

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