红外发光二极管

本文档介绍了红外发光二极管的发光原来及内部构造，以及出光的波长等等

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FEmitters 940 to 950 nm, and the response time is approximately
(1) Infrared LEDs 1s.
(1) Principle GaAlAs infrared chips designed for higher output are
shown in Figure 3. The emitted wavelength of the chip of
In the absence of an externally applied voltage, the P-N Figure 3 (a) is 940 to 950 nm and the output is approxi-
junction of a diode will be at thermal equilibrium and the mately 1.3 to 1.5 times that of the GaAs chip of Figure 2.