Optical Window Focus Shift: Causes & Fixes | GIAI
A protective optical window may be flat, transparent, and free of optical power, yet installing it can change where a camera forms a sharp image.…
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Applications
Here are the previous GIAI-related industry application solutions. Here we share GIAI’s various optical filters, lenses, prisms and other optical components for application accessories analysis in various fields, covering a variety of industry application solutions!
Wedged vs Parallel Optical Windows: Ghost Reflections
An optical window is often treated as one of the simplest components in an optical system. It has no intended focusing power, and its primary…
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How to Specify a Custom Optical Coating
To specify a custom optical coating, describe the performance you need rather than the layer stack: the coating function and coated surface, the spectral bands…
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History of Machine Vision: From Slow Alignment to AI-Guided Robots
By A Niu | GIAI Photonics AT A GLANCEThe history of machine vision spans advances in digital imaging, image sensors, geometric algorithms, industrial interfaces and…
Read articlePolarization-Multiplexed Metalens for Edge-Enhanced Imaging
Can a lens emphasize a cell boundary before an image reaches the camera? A 2026 study in Opto-Electronic Science demonstrates that it can—under carefully controlled…
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Wavefront Distortion in Optical Lenses: Meaning & Effects
Wavefront distortion in an optical lens means that the light emerging from the lens no longer has exactly the wavefront shape intended by the optical…
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How Beamsplitter Ratio Is Defined: R:T, AOI and Polarization
A beamsplitter ratio is defined as the fraction of incident optical power that leaves the component as the reflected beam (R) and as the transmitted…
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How Angle of Incidence Affects a Beamsplitter
Angle of incidence affects a beamsplitter by changing its reflection and transmission, its response to s- and p-polarized light, and the direction of the output…
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How to Choose a ZnSe Lens: Focal Length, Size & Coating
To choose a ZnSe lens, work from the system outward. First confirm the exact wavelength band and laser power, and check that zinc selenide is…
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How to Choose a Germanium Lens for Infrared Imaging
Choosing a germanium lens starts with the infrared system requirements, not the diameter or lens shape. The most important factors are the detector wavelength range,…
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How Lens Centration Affects Image Quality and MTF
A lens can meet its specified radius, surface quality and center thickness tolerances yet still produce poor image quality after assembly. One side of the…
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What Is Zinc Selenide (ZnSe) Used For in Optics?
ZnSe is a standard transmissive material for CO2 laser lenses, windows and output couplers at 10.6 µm because its bulk absorption there is very low.…
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