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荷兰菲利浦公司在日本的分公司正在出售型号为CQL-10,发射波长为780nm的可见光半导体激光器,样品价格为4—5万日元,预计明年年中降到1万日元以下。SOT-148型系密封封装,内含监控用的PIN光电二极管,主要用于光学式视频唱片、数字式声频唱片、激光印刷机以及防盗(报警)系统。此种双异质结半导体激光器的衬底为n型GaAs、有源层为Al_(0.18)Ga_(0.84)As(0.2μm厚)、限制层为Al_(0.46)Ga_(0.54)As(1—2μm厚,n型掺
The Philips branch in Japan is selling a visible light semiconductor laser model CQL-10 with a 780nm emission wavelength. The sample price is 40,000-500,000 yen and is expected to drop below 10,000 yen by the middle of next year. The SOT-148 is a hermetically sealed package that contains PIN photodiodes for monitoring, primarily for optical video recordings, digital audio recordings, laser printers and security (alarm) systems. The substrate of the double heterojunction semiconductor laser is n-type GaAs, the active layer is Al 0.18 Ga 0.84 As (0.2 μm thick) and the limiting layer is Al 0.46 Ga 0.54 As 1 - 2μm thick, n-type doped