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锗窗口（Germanium Windows）

我们的主题是 锗窗口（Germanium Windows）。但首先，让我们对“锗”这种材料有一个总体了解。 单晶锗（Single Crystal Germanium）指的是没有大角度晶界和双晶结构的锗晶体，它具有金刚石结构，是一种用途广泛的材料， 在半导体、光纤通信、航空航天、太阳能电池和红外光学等领域展现出巨大的潜力。 最新数据显示，在未来的锗需求增长中，红外光学领域将占据最大的份额， 这主要归因于国防和民用领域对红外技术需求的爆发性增长。

Spherical Lenses vs. Aspheric Lenses

This article is a comprehensive comparison between spherical lenses and aspheric lenses, where the advantages of both lens categories are listed and evaluated.

What is SWIR Imaging

This article provides an in-depth exploration of SWIR lenses for thermal imaging cameras, focusing on their working principles, distinctions from other infrared technologies, and practical applications.

Long Range Infrared Lenses

This article explores the critical requirements, considerations, and advancements in long-range infrared lens technology, focusing on the simplification of optical systems, meeting Size, Weight, and Power (SWaP) limits, ensuring resilience in extreme environments, and achieving remarkable detection distances.

Optical Basics: The Nature of Light and Optical Elements

This article aims to provide a comprehensive understanding of essential Optical Basics, ranging from the nature of light (including wavelength, the electromagnetic spectrum, phase and amplitude, the wave-particle duality of light, to reflection, refraction, birefringence, and interference) to the operation principle of optical elements.

Understanding Optical Specifications-Geometric Specifications

A guide that helps understand the glossaries of optical specifications including thickness diameter tolerance, angle tolerance, center error, radius of curvature, clear aperture, parallelism, etc.

Understanding Optical Specifications: Surface Specifications

This article offers a simple but thorough explanation of surface specifications, which is an essential subset of optical specifications and which include Surface Quality, Surface Flatness, Surface Roughness, Power, Irregularity, and Fracture/Chip. This knowledge will help you navigate the complexities of optics terms and enhance your grasp of optics concepts.

What are Interferomters-Principles, Types, Applications

This is a technical article about interferometers, the content includes an explanation of the light interference phenomenon, the advantages and applications of interferometers, the basic operation principle of inteferometer, and different types of interferometers.

鱼眼镜头通用指南

本文是一篇关于鱼眼镜头的通用指南与介绍，内容涵盖了鱼眼镜头的特性、鱼眼镜头与广角镜头的区别、不同类型的鱼眼镜头、鱼眼镜头的优缺点、设计原理与结构、鱼眼投影等主题，对鱼眼镜头进行了深入解析。

Understanding Optical Material Properties

In this article introducing optical properties, we will be discussing learning several important glossaries of optical material properties including: Refractive Index, Chromatic Dispersion, Optical Transmission, Absorption and Light Scattering, Optical Homogeneity, Laser Induced Damage Threshold (LIDT). In the end section, we will also explore the main types of optical materials and their individual characteristics.
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