ZEISS Acquires Longstanding Collaborator Pi Imaging

ZEISS, via Carl Zeiss Microscopy GmbH, acquired all equity shares of longtime partner Pi Imaging Technology SA, based in Lausanne, Switzerland. Pi Imaging Technology now operates as Pi Imaging Technology SA — a ZEISS company. ZEISS is retaining the Lausanne location and all employees.

The Swiss-based sensing provider focuses on the development of single-photon avalanche diode (SPAD) arrays and image sensors. Founded in 2018, the company was a partner on the development of what it called a world-first prototype megapixel SPAD image sensor.

According to Michael Albiez, head of ZEISS Research Microscopy Solutions, the acquisition aims to combine the capabilities of Pi's SPAD technology with ZEISS' microscopy solutions, particularly for life sciences applications.

There are 238 suppliers of Microscopy in the Photonics Marketplace.

OSI Optoelectronics - Design & Manufacturing Standard Oct 22 MR

About Carl Zeiss Microscopy GmbH, Microscopy

About Pi Imaging Technology SA

Published: July 2025

Glossary

fluorescence: Fluorescence is a type of luminescence, which is the emission of light by a substance that has absorbed light or other electromagnetic radiation. Specifically, fluorescence involves the absorption of light at one wavelength and the subsequent re-emission of light at a longer wavelength. The emitted light occurs almost instantaneously and ceases when the excitation light source is removed. Key characteristics of fluorescence include: Excitation and emission wavelengths: Fluorescent materials...
single-photon avalanche diode: A single-photon avalanche diode (SPAD) is a specialized type of photodetector designed to detect extremely weak optical signals, down to the level of single photons. SPADs are widely used in applications such as quantum optics, lidar (light detection and ranging), fluorescence lifetime imaging microscopy (FLIM), and other low-light-level applications where the detection of individual photons is essential. Key features and principles of SPADs include: Single-photon sensitivity: The primary...

Browse Cameras & Imaging, Lasers, Optical Components, Test & Measurement, and more.