Unit 1 Basic Circuit and Its Applications Task I Technical Principles and Device Cognition 1.1 Basic Circuit Concepts 1.2 Capacitance and Inductance Task II Technology Application Understanding 1.3 Voltage Dividers 1.4 Filters Task III Skill Honing 1.5 Features of Scientific English Task IV Job Task Challenges 1.6 Career Speaking: Job Interview 1.7 Writing: Resume Task V Output and Evaluation Task VI Knowledge Expansion 1.8 Ohm's Law 1.9 What Is Electricity Unit 2 Optics Task I Technical Principles and Device Cognition 2.1 Nature of Light 2.2 Reflection and Refraction Task II Technology Application Understanding 2.3 Numerical Aperture (NA) 2.4 Electromagnetic Radiatior Task III Skill Honing 2.5 Translation of Words and Phrases Task IV Job Task Challenges 2.6 Career Speaking: Meeting Guests 2.7 Writing: Letter of Thanks Task V Output and Evaluation Task VI Knowledge Expansion 2.8 What Is Light 2.9 Convex Lens Unit 3 Laser Task I Technical Principles and Equipment Cognition 3.1 This Is Laser 3.2 Laser Construction Task II Technology Application Understanding 3.3 Applications of Lasers 3.4 Internet and Lasers Task III Skill Honing 3.5 Translation of Noun Clauses Task IV Job Task Challenges 3.6 Career Speaking: Introducing Enterprises 3.7 Writing: Letter of Congratulation Task V Output and Evaluation Task VI Knowledge Expansion 3.8 A Prospectus about Laser Machines 3.9 Using Lasers Unit 4 Optical Detection Task I Technical Principles and Device Cognition 4.1 Photoelectric Effect 4.2 Photodetector Task II Technology Application Understanding 4.3 Optical Detection Techniques 4.4 CCD Task III Skill Honing 4.5 Translation of Attributive Clauses Task IV Job Task Challenges 4.6 Career Speaking:Product Introduction 4.7 Writing: E-mail Task V Output and Evaluation Task VI Knowledge Expansion 4.8 LED Technology 4.9 Optical Storage Technology Unit 5 Laser Processing Task I Technical Principles and Device Cognition 5.1 Laser Cutting 5.2 Laser Marking 5.3 Laser Welding 5.4 Laser Perforating Task II Honing Skills 5.5 Translation of Adverbial Clauses Task III Challenging Tasks 5.6 Career Speaking: After Sales Service 5.7 Writing: Letter of Apology Task VI Outputting and Evaluating Task V Enhancing Competency 5.8 Everyday Use of Lasers 5.9 Laser Safety Unit 6 Fiber-optic Communication Task I Technical Principles and Device Cognition 6.1 Brief Introduction of Fiber-optic Communication 6.2 Typical Optical Transmitter LEDs 6.3 Typical Optical Receivers Task II Technology Application Understanding 6.4 Comparison with Electrical Transmission Task III Skill Honing 6.5 How to Translate with Aid of the Internet and Software Task IV Job Task Challenges 6.6 Career Speaking: Business Meeting 6.7 Writing: Memo Task V Output and Evaluation Task VI Knowledge Expansion 6.8 Optical Fibers 6.9 Fiber to the Home References Multimedia Resources Index