红外光源 meaning in English

infrared light supply
infrared sources

Gaas spontaneous infrared source
砷化镓自发红外光源
The keyboard is composed with three components : the keyboard sensing module , the infrared light source and the keyboard projection module
红外虚拟键盘主要由三部分组成：键盘敏感模块、键盘红外光源和键盘布局投影模块等。
Near - infrared light source and detector were located on the surface of the fat and a part of the photons reflected by the two - layered structure of the tissue were detected
将近红外光源和检测器置于脂肪的表面，由光源发出被两层组织反射的光子的一部分由检测器所接收。