Photonics/​Optics

Designing Lenses for Near-Infrared and Fluorescence Endoscopy

Fluorescence endoscopy is becoming increasingly important in many medical diagnostic tests. Based on the molecular absorption of light, this technique works by revealing...

Additive Manufacturing: New Frontiers for Production and Validation

Over the last few decades, additive manufacturing (AM)/ 3D printing has fundamentally changed the way that manufacturers approach product development. Industry is now...

Micro-CAL Process Prints Fine Features in Glass Microstructures

Researchers have developed a new way to 3D print glass microstructures that is faster and produces objects with higher optical quality, design flexibility and strength. They...

Optimizing Illumination for qPCR Diagnostics — Design Considerations

A complete optical path minimizes signal crosstalk between detection channels.

‘Seeing’ Nonuniformities in 2D Materials May Lead to New Medical Sensors

Detecting nonuniformities in optical properties opens the door to new uses

Sustainable Silk Material Ideal for Wearable and Implantable Applications

The material is optically transparent and easily manipulated.

Tiny Chip-Based Device Performs Ultrafast Modulation of X-Rays

New optics-on-a-chip device paves way to capturing fast chemical, material, and biological processes.

Miniature Optical Fiber Treatment Device Offers More Effective Cancer Immunotherapy

The device infuses antibodies through the miniature fiber to the tumor to activate T cells around tumor cells.

Optical Design Considerations for Additive Manufacturing

Light-based methods open many opportunities for medical applications.

Optical Cochlear Implants Offer Better Hearing

The team designed an implant with LED emitters.

PCB Microelectronics Assembly Takes Center Stage for Medical Miniaturization

Small medical electronics are at the forefront of a new round of technology trends involving printed circuit board (PCB) assembly and manufacturing.

Tiny Wireless Device Illuminates Neuron Activity in the Brain

Researchers are creating new tools for a method called optogenetics, which shines light at specific neurons in the brain to excite or suppress activity.

UV Sensors for Wearables Are Flexible, Sensitive

To make ultraviolet (UV)-detecting wearables, scientists have created a new type of light sensor that is both flexible and highly sensitive.

Optical Device Offers Improved Thyroid Cancer Screening

The device combines near infrared light, time resolved spectroscopy, and diffuse correlation spectroscopy.

Optical Lens Design Considerations for Cell Imaging in Microscopy

Understanding application, use case, and image resolution are key.

Sensor Tracks Stress Hormone in Real Time

A prototype of a fluorescence-based sensor provides continuous detection of cortisol concentrations in real time.

New Products and Services: July 2021 Medical Design Briefs

EMI filters, plastic optic fibers, power modules, and more.

Next-Gen POC Diagnostics: Electronic Measurement Technology Driven by Global Demand for COVID-19 Testing

Many new companies entering the market are planning a diagnostic roadmap of capabilities beyond their entry point of COVID-19 testing.

Ultra-Sensitive, Small Optomechanical Ultrasound Sensor

An optomechanical ultrasound sensor on a silicon photonic chip provides unprecedented sensitivity due to an innovative optomechanical waveguide.

Tiny Implantable Tool for Light-Sheet Imaging of Brain Activity

The tool shows promise for imaging brain activity in 3D with high speed and contrast.

Tiny Wireless Implant Detects Oxygen Deep Within the Body

The implant provides real-time measurements of tissue oxygen levels.

New Products & Services: May 2021 Medical Design Briefs

Barcode readers, risk-management software, servo drives, and more.

Surface Waves Help Nanostructured Devices Keep Cool

The surface waves provide a thermal transport solution.

Tiny Package, Big Resolution: Wafer-Level Camera Reaches Smallest Parts of Anatomy

A new camera module with quadruple the resolution of its predecessor, at 400 × 400, or 160 Kpixels, provides clear images inside the body’s farthest...

Device Creates 3D Images of Skin

A research team has developed a portable device that produces high-resolution 3D images of human skin within 10 minutes. The team says the portable skin mapping (imaging) device could be used to assess...

From the Editor: The 2020 Products of the Year

This year, our two winners both represent new imaging capabilities for medical devices.

New Products and Services: February 2021 Medical Design Briefs

CAD software, edge connectors, optical adhesives, and more.

2020 Product Buyer's Guide

In our 2020 Product Buyer's Guide, you'll find a list of manufacturers in more than a dozen medical-device areas.

Optical Imaging Technology for Treating Tumors

A new tool for medical professionals may help shed light on tumors.