MROTM Miniature
Low-cost Optical Sensors

Bringing Advanced Biometrics
to Mobile Devices

Licensing Opportunities

What We Do

Making advanced biometrics mobile for a wide consumer audience

Personal monitoring for health, fitness and personal security has long been limited by the lack of sensors capable of providing meaningful biometric information in the mobile environment. Compact Imaging is changing that with MRO (Multiple Reference Optical Coherence Tomography), an advanced miniature optical imaging and analysis technology that will enable mobile devices to non-invasively gather biometric data from inside the body.

Sophisticated instruments for directly imaging and measuring the features, properties and behaviors of human tissue already have been widely adopted for use in medical clinics. These devices, however, are either invasive, emit harmful radiation or are simply too big, expensive and power hungry to provide immediate and meaningful data to mobile consumers.

With its miniature, low-cost, battery-powered MRO sensor technology, Compact Imaging is revolutionizing the way personal biometric monitoring devices can be marketed and sold. MRO is a non-invasive sub-surface scanning technology suitable for integration with smartphones, tablets and wearables. It will place precision biometric and imaging capabilities at the disposal of mobile device designers and application developers to address security, health, fitness and other mobile monitoring applications. MRO will provide people vital, advanced biometric information when and where they need it most.

Where We’ll Make a Difference

Biometric Security

Biometric Security



Non-Destructive Testing

Non-Destructive Testing



Why MRO is Better


With MRO, you’ll be able to help lead the world into a new age where meaningful biometric data can be obtained by non-invasive means that will be more convenient, accurate and affordable.

Like traditional OCT, MRO uses light to scan tissue features, properties and behaviors below the surface. Designed to scan at rates of over 1,000 times per second, MRO can sense valuable information from 1 to 2 mm deep in any

translucent target.


Unlike X-rays and CT-scans, MRO technology does not require the use of harmful electromagnetic waves or ionic contrast. MRO will enable you to create safe sensing products that will provide meaningful tissue images and biometric data, such as sub-dermal fingerprints and hydration levels, by non-radioactive means.

By leveraging components found in common high-volume consumer devices, MRO will dramatically reduce the cost of producing a subsurface scanning device, enabling you to bring the sophisticated imaging and measurement capabilities of OCT to mass business and consumer

market opportunities.


MRO’s simple, robust architecture and miniature footprint will bring the powerful sensing capabilities of much larger clinical diagnostic machines to an almost infinite realm of mobile applications and devices, where size, simplicity and durability are at a premium.

MRO’s operating power requirements will be consistent with integration into smartphones, tablets, wearables and application-specific devices, ideally suited to a range of mobile, battery-powered applications.

MRO Technology

Compact Imaging’s MRO (Multiple Reference OCT) technology is a new form of time-domain optical coherence tomography (OCT). OCT, which has been widely adopted in clinical settings, is similar to ultrasound but, instead of sound, uses light to scan 1 – 2 mm below the surface of tissue or any translucent material and detect its light scattering properties. MRO makes available the safe and powerful scanning capabilities of conventional OCT but will simplify and miniaturize them for use in mobile applications. At the core of the MRO architecture is a reference mirror mounted on a low-cost actuator, such as a voice coil. When paired with a partial mirror, the combination enables MRO to generate multiple reference signals simultaneously that interfere with light back-scattered from various depths within the target. These result in continuous depth scans that can be processed into images and measurements of the target’s features, properties and behaviors.