Vcsel和Pin阵列抗辐射性能的研究
Study of the Radiation Hardness of Vcsel and Pin Arrays
摘要：
欧洲核子研究中心（CERN）的ATLAS实验的硅跟踪器使用光学链路进行数据传输。在850 nm下工作的VCSEL阵列用于传输光信号，而PIN阵列用于将光信号转换为电信号。我们研究了在超级LHC（SLHC）中使用这些设备的可行性。我们辐照了三家供应商的VCSEL和GaAs PIN阵列以及一家供应商的硅PIN阵列。所有的阵列都可以操作到SLHC剂量，除了GaAs PIN阵列，其在辐照后具有非常低的响应度，因此可能不适合SLHC应用。
英文摘要：
The silicon trackers of the ATLAS experiment at LHC (CERN) use optical links for data transmission. VCSEL arrays operating at 850 nm are used to transmit optical signals while PIN arrays are used to convert the optical signals into electrical signals. We investigate the feasibility of using the devices at the Super LHC (SLHC). We irradiated VCSEL and GaAs PIN arrays from three vendors and silicon PIN arrays from one vendor. All arrays can be operated up to the SLHC dosage except the GaAs PIN arrays which have very low responsivities after irradiation and hence are probably not suitable for the SLHC application.
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