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.
Unique
The ImageMaster® VR/AR is world´s unique instrument for the complete qualification of VR and AR optics.
Extensive measuring parameters
As usual with the ImageMaster® series, many other parameters relevant for the determination of image quality are measured in addition to the MTF.
Reliability
Measuring instruments you can rely on are our claim. When it comes to measuring accuracy you can count on the traceability of our measurement data to international standards.
Product Overview
ImageMaster® Lab VR
Measurement device for testing
VR lenses and lens systems
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
The ImageMaster® PRO VR was spe-cifically developed for the measure-ment 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 special near to eye display requirements
- Software-controlled RGB light source for measuring different wavelengths
- Off-axis angle continuously ad-justable from full FOV 20° to 170°
- Eyebox Scanning (on request)
- Motorized telescope (+/- 2 diop-tres) (on request)
- Integration of customer display possible (on request)
- Suitable for clean room class ISO 5
ImageMaster® Lab AR
Optical Performance Testing of
Waveguides for AR Optics
The ImageMaster® Lab AR measures single components like waveguides, projector lenses and projectors as well as complete AR modules.
Measurement of various pupil distances and sizes
Adjustable angle of incidence: sample rotation +/- 45° in both directions
Eyebox Scanning
Scanning of exit pupil in eyebox distance
Effective aperture scan within exit pupil (Customizable field of view)
Software controlled RGB light source for measurement of different wavelengths
Measurement for transmission and reflection setup
0.3 s per measurement time per measurement point
Tray for sample handling
Interface with kinematic mount for quick and repeated loading/unloading of the tray
AR modules testing (on request)
AR projector testing (on request)
Movable telescopes in x- and y-direction
ImageMaster® PRO AR
Fast Optical Performance Testing of Waveguides in Production
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
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 eye box
Full eye box 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
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
Technical Data
| Parameter | ImageMaster® Lab VR | ImageMaster® Lab AR | ImageMaster® PRO VR | ImageMaster® PRO AR | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Veiling Glare Index (according to ISO 9358) | MTF | Distortion | EFL (Effective Focal Length) | MTF | Chromatic Abberation | Distortion | MTF on-axis | MTF off -axis | FFL | EFL (Effective Focal Length) | MTF (lp/degree) | Chromatic Abberation | Tilt angle | |
| Measurement accuracy | < ±5 % (only with display) | Display: ±3 % RET: ±1 % | ±0.25 % | ±0.2 % | < ±1 % lp/degree | 10 arcsec 1) | 10 arcsec 1) | < ±2 % | < ±3 % | ±0,15 % | ±0.2 % | ±1 % | 10 arcsec 1) | 10 arcsec 1) |
| Repeatability | < ±3 % (only with display) | ±1 % | ± 0.1 % | ±0.2 % | < ± 0.5 % | 2 arcsec | 2 arcsec | < ±1 % | < ±1 % | ±0,15 % | ±0.2 % | < ±0.5 % | 2 arcsec | 2 arcsec |
| Dimensions (h x w x d) | 800 mm x 500 mm x 450 mm | 1800 mm x 1100 mm x 1100 mm | 1350 mm x 1330 mm x 805 mm | 1800 mm x 1100 mm x 1100 mm | ||||||||||
| Weight | 120 kg | 450 kg | 180 kg | 450 kg | ||||||||||
| Type | Stand alone | Stand alone | Stand alone | Stand alone | ||||||||||
1) requires upgrade
Knowledge Base
More knowledge for experts
Are you interested in MTF measurement? Learn more in the Knowledge Base of ImageMaster® HR & Universal!