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Corning HPFS 7980, 7979

Datasheets of Corning HPFS 7980,7979.


BOROFLOAT33 is a SCHOTT designation of borosilicate glass made by a unique microfloat technology. Its excellent thermal, mechanical, chemical and optical properties yielded versatility and stature in multitudes of applications.


SCHOTT ZERODUR is a lithium aluminum silicon oxide glass-ceramic of zero porosity. Glass Ceramics are manufactured from controlled crystallization and nucleation of glass substrates, resulting in its mixed inherent properties of both glass and ceramic. Among them, SCHOTT ZERODURis iconic for its near-zero coefficients of thermal expansion (CTE), which is a result of its counterbalancing microscopic system and the glass matrix.

Introduction to Acousto-Optic Crystals

Acousto-Optic Crystals are crystals that exhibits photoelastic effects, where mechanical waves stimulate elastic strains in the crystals, acting as periodic phase gratings and alters the refractive indices, leading to changes in the optical properties. The AO crystals are excellent candidates for to be processed into the acouto-optic medium of the Acousto-Optic Modulators (AOM) including AO Q-switch, Acousto-Optic Deflectors (AOD), Acousto-Optic Frequency Shifter (AOFS), and Acousto-Optic Tunable Filters (AOTF), etc.

Super Polished Substrates or Mirrors

Hangzhou Shalom EO has successfully evolved the classical super-polishing technique, the technique developed by Shalom EO could ensure roughness less than 1Å of the optics while accommodating volume quantity production.

Double Surface Super-Polishing Technique

Hangzhou Shalom EO has successfully developed a double surface polishing method for processing high precision optical windows or substrates, made from N-BK7 and UV Fused Silica, which are one of the most crucial components for Femto-line laser systems.

How to Clean Your Optics

Knowing how to correctly clean your optics is extremely crucial. For different kinds of optics (e.g. Bare Metallic Substrates, Coated Optics, Flat and Spherical Lenses, etc.) different treatments are needed, cleaning optics without guidance could damage or even devastate the optics. Shalom EO introduces proper approaches for cleaning optics in this article.

Corning Eagle XG

Corning Eagle XG is a synthetic Alkaline Earth Boro-aluminosilicate glass designed for Liquid Crystal Display (LCD) and other electro-optical applications. Eagle XG glass features low density, 92% transmission in the visible spectrum, an extremely smooth surface, and impressive strength to allow thinner and larger dimensions. The glass also has the advantage of a high resistance to weathering (the erosion induced by gases and vapors in the atmosphere). The data sheets and properties of Corning Eagle XG are shown below.

What is Second Harmonic Generation (SHG)

The application of the Second Harmonic Generation (SHG) technique is boosting currently. The technique has been utilized extensively as a measure to obtain laser light with short wavelengths which are not directly procurable, for example, 532nm green output for Nd: YAG lasers, or ultra-violet lights with further SHG. The equations and definitions of second harmonic generation are given in this article to deliver an elaborate theoretical explanation about shg.

Optical Basics: What is FOV (Field of View)

For optical imaging instruments and components, understanding the basic concept of FOV (Field of View) is fundamental for selecting the appropriate optical lenses and components that meet your specific requirements. Here Shalom EO will state the definitions, the equations, and the real-life interpretations of these concepts.

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