character: Dr. Brown
topic: Reflection in Lasers and Optical Devices
grade: 11
subject: Physics
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character: Dr. Smith
topic: Principles of Light Reflection
grade: 11
subject: Physics
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character: Ms. Johnson
topic: Applications of Laser Technology
grade: 11
subject: Physics
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character: Mr. Lee
topic: Optical Devices and Their Functions
grade: 11
subject: Physics
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