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首页> 美国政府科技报告 >Semiconductor Laser Diodes and the Design of a D.C. Powered Laser Diode Drive Unit
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Semiconductor Laser Diodes and the Design of a D.C. Powered Laser Diode Drive Unit

机译：半导体激光二极管和直流供电激光二极管驱动单元的设计

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This thesis addresses the design, development and operational analysis of a D.C. powered semiconductor laser diode drive unit. A laser diode requires an extremely stable power supply since a picosecond spike of current or power supply switching transient could result in permanent damage. The design offers stability and various features for operational protection of the laser diode. The ability to intensity modulate (analog) and pulse modulate (digital) the laser diode output for data transmission was a major design consideration. Laser optical power is controlled via a closed loop system using a monitor photodiode. Laser diode temperature stabilization is accomplished with the use of a thermoelectric cooler. Laboratory and remote applications were considered in the design of this unit. (rh)

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