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Lens Selection Guide

This article enumerated the different lens classifications including plano-convex lens, plano-concave lens, double-convex lens, double-concave lens, meniscus lens, ball/half-ball lens, achromatic doublet lens, cylindrical plano-convex lens/plano-concave lens, rod lens, and aspheric lens, exploring their characteristics, and the appropriate context to use them.

BBO晶体（β-硼酸钡晶体）的应用

本文介绍了BBO晶体（β-硼酸钡晶体）的应用，包括光学非线性频率转换（谐波生成以及光学参数放大器/振荡器 OPA/OPO）、电光调制（EOM）以及自发参量下转换（SPDC）。

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.

Scintillation Screens for X-ray Imaging

This article describes the working principle of scintillators, what exactly a scintillation screen is, their vital role in X-ray imaging, and the various scintillation materials employed in these screens.

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。
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