character: Dr. Smith
topic: Advancements in Optical Communication
grade: 11
subject: Physics
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character: Professor Johnson
topic: Introduction to Fiber Optics
grade: 11
subject: Physics
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character: Ms. Lee
topic: Principles of Light Transmission
grade: 11
subject: Physics
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character: Mr. Rodriguez
topic: Future of Telecommunications Technology
grade: 11
subject: Physics
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