The short-wave HgCdTe thin film material was grown by liquid phase epitaxy on CdTe substrate,Adopt n on p injection bonding and function and flip-flop mixing process,With a low noise readout circuit,sealed with a high...The short-wave HgCdTe thin film material was grown by liquid phase epitaxy on CdTe substrate,Adopt n on p injection bonding and function and flip-flop mixing process,With a low noise readout circuit,sealed with a high airtightness cellular-metal shell,Using a four-stage Thermo Electric Cooler(TEC),320×256 Short Wave Infrared Focal Plane Cooling Detecto r available to operate at near room temperature(210K).Its main photoelectric performance are signal-to-noise ratio greater than 400,nonuniformity equivalent to 4.69%,operability equivalent to 99.76%,frame rate equivalent to 115Hz,component weight less than 150grams.展开更多
5G网络建设和大规模数据中心建设带来了大量光模块需求。在光模块生产制造中,为了保障光模块在环境温度变化情况下能够长时间正常工作,需要检测模块在不同温度下的性能,而进行高低温测试。高低温测试在光模块制造成本中占了很大比重。...5G网络建设和大规模数据中心建设带来了大量光模块需求。在光模块生产制造中,为了保障光模块在环境温度变化情况下能够长时间正常工作,需要检测模块在不同温度下的性能,而进行高低温测试。高低温测试在光模块制造成本中占了很大比重。设计了一种基于半导体制冷器(Thermo Electric Cooler)的光模块高低温测试系统,相较传统基于热流仪的方案,不需要压缩空气,能够大幅降低功耗、噪声和整体成本,且能够实现与热流仪相当的升降温时间。该系统对于节能减排、降低光模块制造成本有重要意义。展开更多
文摘The short-wave HgCdTe thin film material was grown by liquid phase epitaxy on CdTe substrate,Adopt n on p injection bonding and function and flip-flop mixing process,With a low noise readout circuit,sealed with a high airtightness cellular-metal shell,Using a four-stage Thermo Electric Cooler(TEC),320×256 Short Wave Infrared Focal Plane Cooling Detecto r available to operate at near room temperature(210K).Its main photoelectric performance are signal-to-noise ratio greater than 400,nonuniformity equivalent to 4.69%,operability equivalent to 99.76%,frame rate equivalent to 115Hz,component weight less than 150grams.
文摘5G网络建设和大规模数据中心建设带来了大量光模块需求。在光模块生产制造中,为了保障光模块在环境温度变化情况下能够长时间正常工作,需要检测模块在不同温度下的性能,而进行高低温测试。高低温测试在光模块制造成本中占了很大比重。设计了一种基于半导体制冷器(Thermo Electric Cooler)的光模块高低温测试系统,相较传统基于热流仪的方案,不需要压缩空气,能够大幅降低功耗、噪声和整体成本,且能够实现与热流仪相当的升降温时间。该系统对于节能减排、降低光模块制造成本有重要意义。