contrast ratio of optical modulator

Photoluminescence (PL) and photoreflectance (PR) spectra of GaInNAs/GaAs multiple quantum wells (MQWs) grown on GaAs substrate by MBE are measured over a range of temperature and excitation power density.

研究了 Ga In NAs/Ga As多量子阱在不同温度和激发功率下的光致发光 (PL )谱以及光调制反射 (PR)谱 。

The experimental results in GaAs/AlGaAs and strained InGaAs/GaAs multiple quantum wells by using DR technique at room temperature were presented, and compared with the experimental results of photoreflectance (PR) spectra and the theoretical values.

报道一种通过转动样品来实现空间调制微分反射（ＤＲ）光谱技术，给出ＧａＡｓ／ＡｌＧａＡｓ多量子阱和应变ＩｎＧａＡｓ／ＧａＡｓ多量子阱在室温下的ＤＲ谱实验测量结果，并与光调制反射谱（ＰＲ）实验和理论计算结果相比较。

The photoluminescence, photoreflectance and Raman spectra of ZnTe/Zn 1 x Mn x Te superlattice samples grown by MBE technique were studied from 11 to 80K.

在１１Ｋ－８０Ｋ温度范围内研究了用ＭＢＥ生长的ＺｎＴｅ／Ｚｎ１－ｘＭｎｘＴｅ超晶格样品的光致发光光谱、光调制反射谱和拉曼散射谱。

In this article,we report another form o f photoreflectance spectroscopy-space differential photoreflectance (SDPR) spec troscopy.

本文报道了空间差分光调制反射光谱 ,指出了它与常规光调制反射谱的区别。