Share Email Print

Proceedings Paper

A new, monolithic encoding digital photodetecter array
Author(s): Xuan Huang
Format Member Price Non-Member Price
PDF $14.40 $18.00
cover GOOD NEWS! Your organization subscribes to the SPIE Digital Library. You may be able to download this paper for free. Check Access

Paper Abstract

At present, each element of the photodetecter array (PDA) is an individual source providing electronic signal, it must be connected with a seperate signal amplifying circuits. The more the array elements are, the more complex the circuits are. Another problem is that this kind of PDA has a high false-code-rate. We have designed and manufactured a new monolithic encoding digital PDA adopting the Gray encoding mode which has low false-code- rate. It is made of 32 photodiodes on one silicon chip. All 32 photodiodes is divided into six groups according a certain pattern, then connected to six output points followed by six groups of hybrid integrated amplifieres where the electronic signal is amplified and out put a 6-bit binary digit according Gray code. They are all mounted in a single sealed package. If the design is changed, similar encoding digital photodetecter array can also out put other bits binary code. Some measurement results is presented.

Paper Details

Date Published: 1 July 1990
PDF: 1 pages
Proc. SPIE 1230, International Conference on Optoelectronic Science and Engineering '90, 123011 (1 July 1990); doi: 10.1117/12.2294674
Show Author Affiliations
Xuan Huang, Southwest Institute of Technical Physics (China)

Published in SPIE Proceedings Vol. 1230:
International Conference on Optoelectronic Science and Engineering '90
DaHeng Wang, Editor(s)

© SPIE. Terms of Use
Back to Top