1. The Study of Luminous Flux Method for Rapid Measurement of Micro-Aperture Area
- Author
-
Ming Ye, Dong Jing Xu, and Zhi Qiang Ni
- Subjects
Physics ,business.industry ,Aperture ,System of measurement ,Astrophysics::Instrumentation and Methods for Astrophysics ,Measure (physics) ,Linearity ,General Medicine ,Luminous flux ,Optics ,Range (statistics) ,Head (vessel) ,business ,Beam divergence - Abstract
This paper presents a new method for micro-aperture measurement based on luminous flux. The principle and the structure of micro-aperture measurement system are introduced in detail. Compared with previous measurement methods, the proposed method has several advantages: The measuring head with array line structure can measure several apertures’ area directly at the same time. The shape of the aperture is not limited to a circle or any other shape. It is a measuring technique with high precision and low cost. The test results show that the uncertainty is mm of a circular 0.5 mm diameter aperture, and the average linearity value is 3.47% to the aperture which diameter in the range from 150 to 500um.
- Published
- 2013