NEAR EYE DISPLAY (NED) SPECTRORADIOMETER SYSTEMS DATASHEET

Transcription

1 REPLACE NEAR EYE DISPLAY (NED) SPECTRORADIOMETER SYSTEMS DATASHEET 9925 Carroll Canyon Road San Diego, CA (800) (858) Fax (858)

2 About Gamma Scientific: Since 1961 Gamma Scientific has produced LED, display and light measurement test solutions for production and R&D environments. With over 50 years of experience in developing commercial light measurement instruments, Gamma Scientific is trusted by the world s leading organizations to provide accurate and repeatable test systems. Gamma Scientific also operates a NVLAP accredited laboratory and is ISO compliant NVLAP Lab Code To view the complete line of test and measurement solutions from Gamma Scientific, please visit our website at Near Eye Detector (NED) Systems Gamma Scientific Near Eye Display (GS 1290 NED) measurement system is designed to accurately capture spectral measurements of Virtual Reality, Mixed Reality, Augmented Reality and Helmet mounted displays as viewed by the human eye. It combines Gamma Scientific's GS1290 spectroradiometer with a telescope optics compact enough to fit within a helmet. Uniquely the NED Telescope optics is able to point in different directions to different areas in the virtual image field of view. It can easily be positioned for left and right eye measurements. Original system calibration is performed in Gamma Scientific s NVLAP accredited laboratory (NVLAP Lab Code ) using NIST traceable standards. Gamma Scientific spectroradiometers can be self calibrated and do not have to be returned to the factory for calibration. The NED system leverages decades of experience in developing Display and HUD test systems for military programs including the F 16, F18, F117, B1B, C 17 and F35. These test systems require precise measurement of light in the Virtual Image Field of View. Features: Luminance and color uniformity Symbology luminance and color Spectral transmittance Left/Right eye parallax Small physical size for NEDs Options: Image contrast with different background SPDs* Display response time/flicker* Transmittance MTF for A/R displays* Symbology MTF* Response time/flicker* *Systems Options requiring additional components December 5,

3 NED Variable Field of View Telescope, RadOMAcam Features Lightweight and compact design (fits inside helmet) for ease of positioning with robotic arms and angular pointing stages Integrated CCD camera for viewing area under test or aligning to specific location for measurement Proprietary SLR viewing system design with integrated LED measurement spot projector Built in autocollimator Variable field of view with motorized selection of 6 different measurement spot apertures from 5 degree to 0.1 degree diameter NED Telescope is compact enough to position at either the left or right design eye box point. Left Right 3

4 Modular Design Controlled by Programmable Software Detector (Spectroradiometer, Focusing Telescope, flicker, etc.) Optional RS 7 Programmable LED Source for Transmission Measurements NED Display Test Software Pattern Generator Software RadOMA Cam side view with Epson BT200 4

5 Near Eye Detector System Functional Block Diagram NED Telescope is compact enough to point in different directions keeping the entrance pupil centered on the design eye box point. 5

6 GS 1290 NED Display Measurement System Features 1,000,000:1 contrast ratio measurements Measurements down to cd/m² Chromaticity measurements to uncertainty in CIE 1931 x,y 8 millisecond minimum measurement time Spectral ranges: nm, nm, and nm 2 meter Premium Fiber Optic Cable Through lens viewing: 6 different measurement apertures (5, 2, 1, 30', 20', 6') USB interface Windows based LightTouch control/analysis software NIST traceable and ISO17025 certified calibration GS 1290 NED Specifications Detector and Wavelength Specifications Model Number GS 1290 NED 1 GS 1290 NED 2 GS 1290 NED GS 1290 NED 3 2UV Spectral Range (nominal) nm nm nm nm ( nm with quartz optics) Wavelength Resolution 0.6 nm/element 0.9 nm/element 0.9 nm/element 0.6 nm/element Spectral Bandwidth (built in user selectable Half Power Bandwidth (HPBW) (Factory settings in bold) 2.5 nm 1.8 nm 1.2 nm 20 nm 2.7 nm 1.8 nm 20 nm 2.7 nm 1.8 nm 2.5 nm 1.4 nm 1.0 nm Wavelength 0.02 nm 0.03 nm 0.03 nm 0.02 nm Repeatability Wavelength Accuracy ±0.20 nm ±0.20 nm ±0.20 nm ±0.20 nm Stray Light Less than 1 x 10 4 (at eight times the HPBW from HeNe laser line) Polarization Error 1 Less than 1% Measurement Angle 5, 2, 1, 0.5, 0.3 and 0.1 (user selectable) Integration Time to 520 seconds Computer Interface USB 2.0 Control Software Analysis in CIE 1931 XYZ and xy; CIE 1976 UCS uv; CIE 1976 L*u*v* and L*a*b*; CIE 1964 XYZ Operating 5 to 35 C/ relative humidity 0 to 90%, non condensing Temp./Humidity Size 12.1" L x 6" W x 11.8" H (30.8 cm L x 15.1 cm W x 29.9 cm H) Weight 20 lbs. (4.6 kg) Power AC Adaptor ( V ~, Hz) 6

7 Gamma Scientific 9925 Carroll Canyon Road San Diego, CA sci.com sci.com 7