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The second edition continues to represent a first course in optoelectronic materials and devices suitable for a half- or one-semester course at the undergraduate level either at the thirdor fourth-year level in electrical engineering, engineering physics, and materials science and engineering departments. With its additional topics, it can also be used as an introductory textbook at the graduate level. Normally the students would not have covered Maxwell’s equations. Although Maxwell’s equations are mentioned in the text to alert the student, they are not used in developing the principles. It is assumed that the students would have taken a basic first- or second-year physics course, with modern physics, and would have seen rudimentary concepts in geometrical optics, interference, and diffraction, but not Fresnel’s equations and concepts such as group velocity and group index. Typically an optoelectronics course would be given either after a semiconductor devices course or concurrently with it. Students would have been exposed to elementary quantum mechanics concepts, perhaps in conjunction with a basic semiconductor science course.

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CREATE DATABASE /*!32312 IF NOT EXISTS*/`supermarketmanagerdb` /*!40100 DEFAULT CHARACTER SET utf8 */; USE `supermarketmanagerdb`; /*Table structure for table `sm_goods` */ DROP TABLE IF EXISTS `sm_goods`; CREATE TABLE `sm_goods` ( `id` int(11) NOT NULL AUTO_INCREMENT, `inventory_quantity` int(11) NOT NULL, `last_purchasing_price` float NOT NULL, `min_num` int(11) NOT NULL, `model` varchar(50) DEFAULT NULL, `name` varchar(50) DEFAULT NULL, `producer` varchar(200) DEFAULT NULL,

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