Let’s build your Doppler holography imaging device—together.

From concept to deployment, we’ll support you at every stage of development with open-source hardware and software to fast-track your custom computational imaging solution.

Hardware

Instrument design guidelines

The Digital Holography Foundation empowers researchers, labs, and companies in computational optical imaging through a collaborative, open-source software platform. Our high-bitrate software is specifically designed to advance Doppler holography, enabling precise and scalable imaging solutions, while also extending support to holographic optical coherence tomography, microscopy, plethysmography, and vibrometry use cases. Doppler holography instrument design is thoroughly explained in these slides, and the complete list of parts is reported in this document

Software

digital hologram rendering and analysis

We specialize in building and maintaining reliable, versatile, and powerful digital hologram software. Our offerings include holovibes, designed for real-time, low latency, and high throughput image rendering, holodoppler, optimized for streamlined hologram image rendering with MathWorks Matlab, and eyeflow, enabling quantitative blood flow analysis from Doppler holography data. We are dedicated to sharing our expertise in digital holography and providing training in parallel computing to support the development of robust open-source imaging software for demanding applications. For more, check out our GitHub repository.

Support

Join the Digital Holography Foundation!

The Digital Holography Foundation is a place to learn, create, share, and provide state-of-the-art open-source computational imaging tools to help you achieve your imaging instruments based on coherent light detection. Our mission is to support the development of reliable and powerful digital holography software and devices through education. We train students for a practical mission: parallel image rendering on GPUs using various cameras streaming systems. Additionally, we teach device co-design and signal processing for robust image computation and analysis.

Our core offering: Digital holography support

Our primary value proposition is to offer comprehensive digital holography support. The Digital Holography Foundation facilitates this through collaborative efforts and open-source hardware and software solutions for high bitrate digital holography devices. Our aim is to aid individuals, laboratories, and companies in accelerating their transition to computational optical imaging.

Quantitative retinal blood flow monitoring

Non-invasive retinal angiography

Instrument Design: Optimized for standardized retinal hemodynamics measurements, ensuring patient comfort, reliability, and accuracy—all with minimal instrument tuning. Software: Designed for an intuitive user experience, featuring a seamless, one-click acquisition process. Data Analysis & Workflow: Fully automated and streamlined, eliminating the need for user intervention.

Quantitative perfusion dynamics estimates

biomarkers

Doppler holography is set to become a powerful new tool for the diagnosis and monitoring of ocular vascular diseases. Beyond the eye, the retinal microvasculature reflects systemic vascular health, making Doppler-based biomarkers promising indicators for broader cardiovascular risk stratification. Many sight-threatening conditions of the retina and optic nerve are now understood to be closely intertwined with systemic vascular dysfunction—including hypertension, atherosclerosis, diabetes, and impaired perfusion regulation. Understanding and quantifying these hemodynamic alterations may improve both ophthalmologic care and cardiovascular disease prevention.

Real-Time, clinical-Grade Doppler holography device

interferometer design

Our system is built around an inline Mach-Zehnder interferometer operating in the near-infrared range. It combines light backscattered from the patient’s ocular fundus with a coherent reference beam. The resulting interference patterns are captured in real time by a high-speed streaming camera, enabling reliable, precise, quantitative Doppler imaging for clinical applications.

from image acquisition to quantitative hemodynamics

workflow

standardized hardware, high performance open-source software, & structured I/O data formats deliver high-quality and high-volume quantitative datasets, ready for statistical analysis & machine learning.