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滨松光子学株式会社宣布推出全球首个 QCL 模块，可调频率范围为 0.42 至 2 THz
滨松的突破是通过分析太赫兹波※1生成的控制原理来实现的，它增强了 QCL 的※2输出功率和高效外腔的配置，※3并利用我们先进的光学设计技术。
这项研究实现了窄带太赫兹波的生成，同时仅切换一个 QCL 模块的频率。该技术将有助于聚合物材料识别，并提高质量评估的准确性，以便对含有吸收太赫兹波的成分的药物、食品和半导体进行非破坏性检测。使用这项技术的 QCL 模块也将证明是实现未来超高速无线通信的关键创新设备。
这些研究结果由 Optica Publishing Group 于 2 月 22 日发表于电子版科学期刊“Photonics Research”。本研究隶属于日本内务省委托的“战略信息和通信研发推广计划 (SCOPE)”（编号 JP195006001）。
*1：太赫兹波是频率约为 1 THz 的电磁波，其属性介于光波和无线电波之间。
*2：QCL 是一种半导体激光器光源，使用发光层的特殊结构。与传统激光器不同，QCL 可在中红外到远红外区域的波长范围内产生高输出功率。
*3：外腔是由安装在半导体激光器外部的衍射光栅组成的谐振器。
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