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Chalcogenide Glass

Along with the development of LWIR Thermal Imaging configured with Uncooled FPA detectors, lenses made from Chalcogenide glass are emerging as a major role in an extensive range of industries and domains, including gunsight, missiles surveillance, security, etc. The properties, data sheets, the cross-reference chart, and uses of Chalcogenide Glass are given in the article from Shalom EO.

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, and Silicon 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.

Lens Selection Tutorial

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.

Exploration of Current Sapphire Window Production Techniques

This article is an in-depth exploration of the existing sapphire window production techniques and the prospect of innovation in the sapphire window production market. The article covers the growth method of sapphire crystals, the entire procedure, and relevant techniques of the cutting, chamfering, grinding, polishing, and cleaning of sapphire windows.

Advantages and Applications of Sapphire Windows

Sapphire Windows excel in windows made from other glass counterparts, especially in the aspects of superior surface hardness, durable qualities, and versatile functionalities. This article discusses the advantages and applications of sapphire windows.

NaI(Tl) Scintillators for Well-logging Applications

This article introduces the material properties and the working principles of NaI(Tl)/Thallium Doped Sodium Iodide Scintillators for well-logging applications.

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