VLS-100
Variable Luminance Source


The VLS-100 Variable Luminance Source is a controllable source of uniform, visible illumination for testing cameras, image intensifiers, and visible to near-infrared night vision devices. It is used with I-SITE™ software or as a standalone, computer-controlled device.

The Variable Luminance Source features a 50 mm diameter source aperture with <2% luminance non-uniformity. The source brightness is continuously adjustable over a dynamic range of 106 that is computer controlled to within 3% of its set value. A range of filters and test targets is available to support a variety of performance measurements.

  Features       Download the
VLS-100 Datasheet
Automated variable attenuator and aperture wheel with high resolution stepper motors.  
Integrated photometer provides real-time monitoring of exit port luminance, allowing closed-loop control.  
Filter drawer allows for multiple 50 x 50mm filters to adjust color temperature and spectral output.  
Digitally controlled, laboratory grade power supply ensures constant lamp output and stable color temperature.  
Dual integrating sphere design ensures exceptional illumination uniformity.  
NIST traceable color temperature.  
Custom targets available for objective or subjective metrology testing, boresight measurements, and contrast measurements.  

     
 
  Applications    
Cameras    
Image Intensifiers    
Night Vision Devices    
       


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© 1995-2010 Optikos Corporation.
All information contained herein is the property of Optikos Corporation and cannot be reproduced, in whole or in part, without its written consent. VideoMTF® Image Analysis Module and Optikos Corporation® are registered trademarks of Optikos Corporation. I-SITE™, OpTest™ and EROS™ are trademarks of Optikos Corporation. Other product and company names may be trademarks and/or registered trademarks of their respective companies. The VideoMTF® Image Analysis Module is protected under U.S. Patent number 5,661,816; the LMI Family of Instruments under U. S. Patent Numbers 5,280,336 and 5,416,574; and patents are pending on the SMI Family of Instruments.