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ImageMaster® PRO AR – Testing of waveguides on wafers

ImageMaster® VR/AR

Measurement Systems for Virtual and Augmented Reality Optics

The ImageMaster® product group offers a wide variety of measuring instruments for determining the optical performance of lenses and optical systems. With the ImageMaster® AR/VR series, TRIOPTICS offers highly accurate and fast test systems for the qualification of virtual and augmented reality optics in research and development as well as for mass production. The test systems measure single components like waveguides, lenses and projectors as well as complete VR/AR modules.

Product Overview

ImageMaster® Lab VR

Measurement device for testing
VR lenses and lens systems

ImageMaster® Lab VR

The ImageMaster® Lab VR was specifically developed for the measurement and qualification of virtual reality lenses.

  • Measurement for various pupil distances and sizes

  • On- and off-axis measurements allow testing of the entire field of view of the human eye

  • Eyebox Scanning

  • high contrast programmable display is used as a light source and object generator.
  • Software-controlled RGB light source for measuring different wavelengths
  • Integration of customer display possible

ImageMaster® PRO VR

Measurement solution for testing VR lenses and VR modules in production

ImageMaster® PRO VR

The ImageMaster® PRO VR was specifically developed for the measurement of VR lenses and VR module qualification in production environment.

  • 1.5 s measurement time per sample

  • Measurement possible for various pupil distances and sizes
  • On- and off-axis measurements allow testing of the entire field of view of the human eye

  • Up to 27 cameras
  • Aperture to simulate the specific near to eye display requirements

  • Accurate MTF measurement at high spatial frequencies on and off axis

  • Software-controlled RGB light source for measuring different wavelengths
  • Maximum Field of View 170° (optional)

  • Clean room compatible

ImageMaster® Lab AR Flex

The multi-dimensional test solution for AR optics

ImageMaster® Lab AR

The ImageMaster® Lab AR Flex is a measurement solution for transmission and reflection waveguides, correction glasses, light engines and complete Near-Eye Displays.

  • Testing of AR components, modules and complete headsets

  • Accurate MTF measurement at high spatial frequencies on- and off-axis

  • Diffraction limited up to 60 lp/° (ISO, traceability, optical standards)

  • Eyebox scan at various incident angles

  • Adjustable pupil size and eye-relief distance along with the full flexibility of input pupil location in X/Y plane for the complete eyebox scan

  • Illumination sources with wide range of wavelengths and polarization

  • Motorized optical system for virtual image distance (VID) and diopter measurement

  • Metadata like part number, operator, etc. (freely configurable)

  • Independent movement of telescope detector and target generator for both on-axis and off-axis measurements, one-shot wide field of view on-axis measurement (on request)

  • Fully computerized control measurement sequence with robotic sample handling (on request)

  • Precise measurement of image quality parameters such as MTF, sharpness, homogeneity, contrast, distortion, efficiency, color and luminance (on request)

ImageMaster® PRO AR

Fast optical performance testing of waveguides in production

ImageMaster® PRO AR

With the ImageMaster® PRO AR, TRIOPTICS offers an accurate and fast production test system for Augmented Reality optics. The new ImageMaster® Lab AR measures single components like waveguides and projectors as well as complete AR modules.

  • Parallel measurement with up to 27 collimators and telescopes

  • 0.3 s per measurement point

  • Automatic positioning of samples using automated tray system

  • Measurement at various eye relief distances and with various pupil sizes
  • Scanning of exit pupil (eyebox scan)
  • Movable telescopes in x and y di-rection
  • Effective aperture scan within exit pupil: Customizable field of view
  • Software controlled RGB light source for measurement of differ-ent wavelengths
  • Waveguide in transmission
  • Waveguide in reflection
  • Customized tray for sample han-dling
  • Customized base with kinematic mount for quick and repeated loading/unloading of the tray
  • AR modules testing (on request)
  • AR projector testing (on request)

ImageMaster® PRO AR

Automated loading and unloading with wafer-handler

ImageMaster® PRO AR

The ImageMaster® PRO AR with wafer-handler option enables fully automatic workflows in optical performance testing of waveguides in production. Robotic handling of wafers, a software controlled automatic measurement process and support for various wafer carriers ensure maximum performance and compatibility. The main measurement parameters are contrast (MTF), distortion, efficiency, and chromatic aberrations.

  • Highly accurate measurement of contrast (MTF), distortion and efficiency over the field of view and eyebox

  • Full eyebox scan, multiple field points are measured in parallel for shortest measurement duration

  • Designed for transmission waveguides, optional support for reflection waveguides

  • User-selectable pupil size, illumination wavelengths and polarization, as well as eye relief distance

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ImageMaster® VR/AR

Applications

Measurement parameter

The ImageMaster® Lab and PRO VR measures the following parameters:

  • MTF on- and off-axis

  • Distortion

  • Chromatic aberration

  • FFL

  • EFL

  • Imageplane tilt

  • Depth of Focus

  • Focal shift

  • Veiling glare (only with display)

  • Focus distance, virtual image position (on request)

The ImageMaster® Lab and PRO AR measures the following parameters:

  • MTF / Contrast on and off-axis

  • Chromatic abberation

  • Efficiency

  • Relative illumination

  • Homogenity of illumination

  • Veiling glare index (on request)

Software

Software for ImageMaster® Lab VR and Lab AR

  • Scripting tools for customer-specific programming and analysis
  • Functions for easy alignment of the sample
  • Intuitive user interface and time-saving lens testing routines
  • Certificate output in HTML format, can be imported to MS Excel

Software for ImageMaster® PRO VR and PRO AR

The recognized ImageMaster® PRO software, called MTF-PRO, has been further improved. It features increased speed, advanced performance and clearly displayed test results. The optimized MTF algorithms are the result of the continuous improvement and TRIOPTICS years of experience in the field of MTF measurement.

Advantages

  • Automatic pass or fail results based on a multitude of freely selectable criteria
  • Software enabling real-time images of all cameras.
  • Individual setting of spatial frequencies for each camera
  • Settings to enable focusing curve for on-axis and/or off-axis cameras
  • Three security levels: setup files and critical functions are password protected
  • Storage of lens and batch data, data analysis via Excel
  • Intuitive graphical representation of the measurement data in order to detect lenses out of specification at an early stage
  • Polar diagram for displaying MTF symmetry in image field

Knowledge Base

More knowledge for experts

Are you interested in MTF measurement? Learn more in the Knowledge Base of ImageMaster® HR & Universal!