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用于电光应用的 BBO 晶体

β-硼酸钡（BBO）晶体是一种优异的电光晶体，适用于波长范围从200nm到2500nm的高功率应用。它可用作电光Q开关晶体。β-BBO晶体或β-硼酸钡晶体在激光功率承受能力、高损伤阈值、温度稳定性以及几乎不受压电振铃影响方面，相较于其他材料具有显著优势。

什么是球透镜和半球透镜

球面透镜属于一种特殊形式的双凸透镜，其几何形状为球体。球面透镜通常由单一材料制成，通常使用在所需波长区域具有良好透光性的光学玻璃。球面透镜的典型应用包括光纤领域的光聚焦（例如激光与光纤耦合、光纤间耦合）、发光器件和探测器。半球透镜是球面透镜的变体，更适合用于紧凑型设计。

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.,

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.

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。

光学像差详解：色差、场曲、畸变与散光

本文详细介绍了光学像差的种类，包括色差、场曲、畸变和散光，解释了它们的形成原理、对图像质量的影响，以及常用的校正方法，适合光学设计和摄影爱好者参考。
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