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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.

Optical Substrate Material Selection Guide

The selection of optical substrate material is a vital step to determine the best appropriate optics for your individual applications. The characteristics(optical transmission, refractive index, hardness, etc.) of representative optical materials such as N-BK7, UV Fused Silica, Zerodur Glass, Chalcogenide Glass, BaF2, CaF2, MgF2, Germanium, Zinc Selenide, ZnS, Sapphire, Silicon, alpha-bbo, calcite, YVO4, and F2 glass are introduced and compared in this article from Shalom.

Optical Basics: Spherical Aberrations and Coma

This is a short piece of explanations about spherical aberrations and coma/comatic aberrations, which belong to the wider range of optical aberrations. Straightforward and readable detailed information, illustration diagrams of the complex and intriguing concepts of spherical aberrations and coma/comatic aberrations.,

What are Thermal Camera Lenses

This article is a basic introduction to Thermal Camera Lenses, which refers to the lens components used for infrared thermal imaging.

LWIR Imaging VS MWIR Imaging, Which is Better?

This article is a thorough comparison of the differences and features of LWIR and MWIR thermal imaging cameras, comparing the emittance and thermal contrast in the two spectral regions, the impact of climate/thermal effects, LWIR and MWIR thermal imaging camera lenses, costs, and applications.

Selection Tutorial for Lens Assemblies

This is a basic tutorial and guide to help you understand some important glossaries when you are selecting Optical Lenses and Camera Lenses.

Passive Thermal Imaging and C-UAS Techniques

Both state and non-state parties face the imposing threats from the weaponization and illegal intrusion of UAS. The development of Counter-UAS, or C-UAS, in particular, Counter-Small UAS to detect, track, and intercept drones has become an urgent mission. The article discusses the challenges in the current C-UAS market and evaluates various approaches incorporated into the C-UAS, including LWIR, MWIR Passive Thermal Imaging and other approaches like radar, visual cameras, SWIR imaging.

光学蓝宝石窗口制造全解析

全面解析光学蓝宝石窗口的制造过程，包括大块单晶蓝宝石生长、晶体切割取向、径向磨削、抛光及清洗技术，适用于激光窗口、手机屏幕和工业防护应用。

蓝宝石窗口的优势与应用

蓝宝石窗口在与其他玻璃材质相比时表现出色，尤其在表面硬度高、耐用性强和功能多样性方面。本文将讨论蓝宝石窗口的优势与应用。

The Prospect and Advantages of Infrared Germanium(Ge) Optics

This article discussed the material properties of single-crystal germanium (Ge) and the prospect of infrared germanium optics(germanium windows, germanium lens, germanium domes) through stating and evaluating the advantages and drawbacks of Ge optics.
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