Abstract
Recently, computer simulations of photometric performance of luminaires have improved, resulting in more suitable lighting. However, due to some approximations in the modeling of optical systems, the simulations have a restricted application, their applications are limited to quadric or rational surfaces.We have solved these problems by developing a new computer simulation system for three dimensional optical systems. This paper presents the method of simulation and validates it.To simulate an optical system which has an asymmetric shape, we have developed a ray-tracing method for parametric surfaces. Every geometric shape of an optical system can be transformed into parametric surfaces and can be analyzed by this system. It is efficient to express an optical system as parametric surfaces, in the aspect of computation time and accuracy and data imput time for simulation. This method can analyze optical systems which are intended to be nonquadric or which must be non-quadric for manufacturing reasons. To verify the validity of this method, we made some experiments. Luminous distribution by simulation agrees with the result of measurement.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callMore From: Journal of the Illuminating Engineering Institute of Japan
Disclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
