Cylindrical Concave Dielectric Mirrors

Cylindrical Concave Dielectric Mirrors

Supplier
Ytoptics
Category
Optical Mirrors
Origin
China

Dielectric mirrors are made by alternately depositing two dielectric materials with different refractive indices (e.g., SiO₂/Ta₂O₅ or SiO₂/Nb₂O₅), with the optical thickness of each layer being 1/4 of a specific wavelength (λ.) When light is reflected multiple times at these interfaces, the light of a specific wavelength is reflected efficiently due to the interferometric phase length effect. What are the disadvantages of dielectric coating? The reflection characteristics vary with the angle of incidence, and a large angle of incidence may result in a shift in the center wavelength.

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Overview

Dielectric mirrors are made by alternately depositing two dielectric materials with different refractive indices (e.g., SiO₂/Ta₂O₅ or SiO₂/Nb₂O₅), with the optical thickness of each layer being 1/4 of a specific wavelength (λ.) When light is reflected multiple times at these interfaces, the light of a specific wavelength is reflected efficiently due to the interferometric phase length effect. What are the disadvantages of dielectric coating? The reflection characteristics vary with the angle of incidence, and a large angle of incidence may result in a shift in the center wavelength.

Key Features

High reflectivity: in the designed wavelength range, the reflectivity can exceed 99.9%, much higher than metallic mirrors (usually 90%~98%) Low absorption loss: the dielectric coating is virtually non-absorbing, making it suitable for high power laser applications

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Supplier Information

Yt
Ytoptics
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Changchun Yutai Optics Co., Ltd. is a manufacturer with ISO9001 certification. We are specialized in high-performance optical components including lens, mirrors, filters, windows and prisms which are specified by customers. Yutai’s items are widely used in imaging, defense, medical, laser and industry market. As a fast-growing supplier in optics, Yutai Optics has quickly established itself as a leader in optical components with advanced technology and quality control ability, aiming to provide professional service and good quality items to meet customers' request. Yutai has already established long-term cooperative relations with many powerful companies all over the world.

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Cylindrical Concave Dielectric Mirrors
Ytoptics · Optical Mirrors
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