February 18, 2021

Using Augmented Reality (AR) for medical applications: Part 2

Using Augmented Reality (AR) for medical applications: Part 2

This is the second of three articles introducing the concept of k-space and discussing how to plan for an exit pupil expander design.

The role of augmented reality in medical applications is growing. One area of note: The run-of-the-mill blood draw.

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February 04, 2021

Using Augmented Reality (AR) for medical applications – Part 1

Using Augmented Reality (AR) for medical applications – Part 1

This is the first of three articles introducing the concept of k-space and discussing how to plan for an exit pupil expander design.

Augmented Reality (AR) is no longer just for gaming. The accurate simulation of a real-world environment can also be beneficial for multiple work environments, including the medical field. AR enables doctors to better explain a disease or treatment to a patient, as well as plays a role in planning (and in some cases performing) surgeries and therapies. Some are taking it a step further, using 3D visualization of DNA test results or to view patient records for quick analysis and diagnosis. This technology can also be used in the classroom, training medical students through the use of interactive 3D anatomical models. And for medical sales, the use of a virtual experience can demonstrate their equipment quickly.

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January 20, 2021

Zemax launches native diffraction calculation and new analysis functionality

Zemax launches native diffraction calculation and new analysis functionality

OpticStudio 21.1 delivers a new diffraction calculation and two new tolerance setup operands. OpticsBuilder 21.1 improves analysis functionality and includes full Zemax glass catalog.

Zemax announced the latest release of their flagship software, OpticStudio®, and OpticsBuilder™. Continuing our commitment to deliver regular updates to our customers, Zemax will deliver three product releases in 2021, the first in January (21.1) followed by May (21.2) and September (21.3) releases. OpticStudio 21.1 starts the year by empowering the growing role of diffractive optics within the augmented reality and heads-up display markets. This release also adds new tolerance operands for users to align designs more easily to real-world assembly methods. In addition, this release debuts two new feature experiments that improve wide-angle ray aiming for autonomous vehicles and provide a new optimization algorithm. OpticsBuilder 21.1 improves optomechanical assembly analysis by allowing users to add sources and detectors directly in CAD.

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January 11, 2021

Optical heart rate sensor simulation using Zemax OpticStudio

Optical heart rate sensor simulation using Zemax OpticStudio

In recent years, handheld, portable, and wearable medical imaging devices have grown in popularity, from fast on-site measurements during surgeries, to comfortable continuous monitoring during everyday tasks. The most common wearable example is the optical heart rate sensor used in sport bracelets and smart watches. The applied photoplethysmography (PPG) technology is a low cost, non-invasive optical method used for taking physiological measurements at the surface of the skin. This article demonstrates how OpticStudio can be used to implement a layered human skin model and simulate optical heart rate monitoring via the API.

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December 18, 2020

Designing a head-mounted display (HMD) for augmented reality systems in OpticStudio

Designing a head-mounted display (HMD) for augmented reality systems in OpticStudio

With the continued growth of the augmented reality/virtual reality field (AR/VR), Zemax OpticStudio offers the tools needed to design the next generation of these systems. In the case of optical see-through head-mounted displays (OST-HMD), the system utilizes augmented reality (AR) by optimizing two optical paths: the microdisplay projection imaging path and the see-through path. This is because AR overlays graphics onto the user's real environment, rather than wholly replacing it, which is extremely useful in a variety of applications randing from aiding surgeons to displaying tactical information for military use.

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