Polarizing Beamsplitter

Polarizing Beamsplitter

Supplier
Optowide
Category
Polarization Optics
Origin
China

A polarizing beamsplitter coating is controlled so that, when incidence meets the Brewster-angle condition, s-polarized reflectance approaches1, p-polarized transmission approaches1, and P-polarized reflectance approaches0. Light incident from air has difficulty meeting this condition because of air's relatively low refractive index, so the coating must be enclosed in a cemented prism. The coating splits S and P components according to specified transmission/reflection ratios. Good polarization characteristics support combination or separation of polarization components across visible, near-infrared, and communications C+L broadband wavelengths.

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Overview

A polarizing beamsplitter coating is controlled so that, when incidence meets the Brewster-angle condition, s-polarized reflectance approaches1, p-polarized transmission approaches1, and P-polarized reflectance approaches0. Light incident from air has difficulty meeting this condition because of air's relatively low refractive index, so the coating must be enclosed in a cemented prism. The coating splits S and P components according to specified transmission/reflection ratios. Good polarization characteristics support combination or separation of polarization components across visible, near-infrared, and communications C+L broadband wavelengths.

Key Features

Coatings for 193/266/450/633/780nm and other specified wavelengths. Advanced optical-contact bonding reduces bond-layer absorption heating for high damage threshold. Measured transmission extinction ratio >1000:1 at 193nm; other bands meet reflection extinction ratio >500:1, optimizing S&P polarization extinction. Miniature PBS fabrication saves space and energy loss. High-temperature/humidity and high-/low-temperature cycling reliability fully meet industry standards. Beam deviation <5".

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Supplier Information

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Optowide
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Optowide Technology Co., Ltd., founded in October 2013, is located in Mawei Science and Technology Park, Fuzhou (now part of Fuzhou Free Trade Zone), with a registered capital of 129.35 million yuan. It is a high-tech enterprise specializing in the R&D, manufacturing and sales of various precision optical components, fiber optic devices, and optical test instruments. Its products are mainly applied in optical communication, fiber laser, and other fields, and partially in scientific research, biomedical, consumer optics, semiconductor equipment, and other areas.

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Polarizing Beamsplitter
Optowide · Polarization Optics
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