An array of flexible and rigid nano waveguides

Ultra-high resolution imaging: Nano waveguide solutions based on TAL

SCHOTT’s latest innovation in nano waveguide technology leverages the principle of TAL (Transverse Anderson Localization) to transport images with unprecedented resolution. Utilizing advanced glass-based design, these nano-structured guides produce images with minimal distortion, excellent color fidelity, and exceptional accuracy. This groundbreaking image transfer technology enables next-generation applications across critical sectors.

Understanding nano waveguide imaging: How it works

At the core of SCHOTT’s nano waveguide technology is Transverse Anderson Localization – a wave optics effect where wave diffusion is suppressed in disordered waveguides composed of two or more carefully engineered optical glasses. These waveguides are also referred to as TALOF (Transverse Anderson Localization Optical Fibers). By reducing the diameter of the structural elements to less than 1 µm, our waveguides achieve resolutions far above 200 lp/mm, with light localized within spots as small as 1.5 µm. This capability far surpasses the limits of conventional fiber optic imaging, which relies on total internal reflection.
Rendering of a nano waveguide that shows a high resolution image of a tree

Comparison of TALOF and traditional fiber optics

Diffraction versus refraction: TAL-based nano waveguides transmit light acting as a highly efficient diffractive image guide through a disordered array of at least two types of optical nano filaments. In contrast, traditional fiber optics operates with total internal reflection, limiting the resolution of the images to the size of the fibers.

Functional principle of nano waveguide imaging

Rendering of a TALOF-based nano waveguide that transmits light.

Functional principle of traditional fiber optics

Rendering of a fiber optic guide that demonstrates the functionality of light transmission.

Resolution of nano waveguide imaging

TALOF - 4 Straight Through - Resolution

These photos are real-life examples of the performance, courtesy of SCHOTT’s global Technology Center.

Resolution of traditional 4 µm fiber optics

A resolution test chart that shows the resolution of a fiber optic guide

Targeted applications of nano waveguide technology

Nano waveguide imaging is poised to revolutionize a range of applications in demanding environments, including:
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Night vision systems

Significantly improves image quality, contributing to higher figure-of-merit values essential in surveillance and recognition as well as spatial vision.

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Medical imaging

Allows for precise, minimally invasive diagnostics with sharper imaging in fields as diverse as orthopedics, general endoscopy up to ophthalmology.

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Industrial inspection

Supports accurate, high-resolution imaging in extreme environments or hard-to-reach areas, enhancing the quality of inspection processes.

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Passive viewing systems

Enables superior image transfer in emergency egress situations, without the need for external power sources, resulting in clearer and broader visuals.

Array of light and image guides based on glass optical fibers

Fiber optic technology

Glass optical fibers play a key role in many advanced lighting and imaging applications. Learn more about the technology, it’s purpose and advantages.

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Wafer with holes and a black coated side showing a floral arrangement in the background

Guiding photons for improved imaging and detection

Find out more about SCHOTT’s work in laser structuring and the further functionalization of glass plates, and how it’s opened up new applications in high-precision photon guidance, such as X-ray detection and night vision imaging.

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SCHOTT in the media

28. siječnja 2025.
Photonics Spectra

Nano Waveguides Boost Precision, Quality in High Resolution Imaging Systems

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