Edquantum Series – Course 4: Laser Basics And Applications

Laser safety. Construction of lasers. Laser types, classifications, and applications. Q-Switching and frequency doubling

What you’ll learn
Fully implement laser safety rules, protocols, procedures, and equipment on a Laser Safety Officer level.
Describe spontaneous and stimulated emission, population inversion, laser pumping, and other concepts of laser construction and operation.
Calculate and measure all crucial output parameters of a laser – beam divergence, beam profile, spectral characteristics, and the like.
Outline various methods of pulsing a laser, including mode-locking and Q-switching.
Elaborate how fiber lasers are used in manufacturing, telecommunications, spectroscopy, medicine, and the military.

Requirements
Knowledge of high school physics is preferred but not required.
Taking EdQuantum Course 1 , Course 2, and Course 3 before this course is recommended.

Description
This course builds upon the knowledge and skills acquired in EdQuantum Courses 1 and 2. It explores advanced concepts in laser construction and operation, with an emphasis on real-world applications and system-level understanding. Participants will study advanced measurement techniques used to characterize various output properties of both low-power and high-power lasers. The course includes foundational Laser Safety Officer (LSO) training, introducing students to essential laser safety protocols, standard operating procedures, and protective equipment commonly used in a Class 4 laser laboratory environment. Learners will become familiar with specialized tools such as beam profilers, beam splitters, advanced power meters, spectrometers, and other diagnostic instruments through lab-based applications. Participants will explore the principles and operation of various laser types, including gas lasers (HeNe), ion lasers, semiconductor lasers, fiber-optic lasers, and solid-state lasers such as Nd:YAG. In addition, the course covers more advanced laser techniques such as Q-switching, mode-locking, and wavelength division multiplexing, examined from both theoretical and applied perspectives. To support learning in an online format, the course includes recorded virtual demonstrations of lab procedures and laser systems. These simulations allow students to observe and understand complex laser setups and measurement techniques in a realistic, step-by-step format, providing valuable hands-on insight in a flexible, self-paced environment.

Individuals with no prerequisite knowledge who want to learn more about optics and quantum: technicians, non-technical and technical business professionals, and other individuals curious about this technology.

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