
Laser Course
Master the complete science and engineering of laser systems, from photon physics to real-world material processing. This course covers every major laser technology, beam delivery method, and safety standard used in industry today. Whether you're entering the field or advancing your career, you'll gain the technical depth to design, operate, and troubleshoot professional laser systems.
What you will learn:
Build a solid foundation in laser physics, including atomic transitions, stimulated emission, and resonator design. Survey all major laser families—solid‑state, fiber, gas, semiconductor—and learn to read technical datasheets. Cover pulsed techniques such as Q‑switching and mode‑locking, plus beam delivery, focusing, and fiber coupling. Analyze laser interaction with metals, polymers, and ceramics for cutting, welding, marking, and ablation. Study laser safety classification, protective equipment, and regulatory compliance. Additional modules explore nonlinear optics, medical uses, system integration, and emerging tech like quantum‑cascade lasers and photonic integrated circuits.
How you study in a practical way Laser Course
How you practice Laser Course
For companies who want to train their team
With Dedika for businesses, the course includes exercises and examples tailored to your own business and the way your company needs.
Course content
8 Chapters • 38 LessonsDuration between 4 and 360 hours (you decide)
Chapter 1HideHide detailsSee detailsFundamentals of Light and Optics
Fundamentals of Light and Optics
Lesson 1 • Principles of Geometric Optics
Teaches reflection, refraction, and lens behavior that govern beam shaping in laser systems. Connects optical laws to practical beam delivery components.
Lesson 2 • Wave Optics and Coherence
Introduces interference, diffraction, and coherence as properties that distinguish laser light from ordinary light. Builds conceptual groundwork for beam quality analysis.
Lesson 3 • Polarization of Light
Explains linear, circular, and elliptical polarization states and their relevance to laser output control. Prepares students to interpret polarization specifications in laser datasheets.
Lesson 4 • Nature of Electromagnetic Radiation
Covers wavelength, frequency, and the electromagnetic spectrum as the foundation for understanding laser light. Positions light properties within the broader context of laser physics.
Chapter 2HideHide detailsSee detailsAtomic Physics and Laser Gain
Atomic Physics and Laser Gain
Lesson 1 • Population Inversion and Pumping
Explains why population inversion is required for net gain and how pumping schemes achieve it. Connects pumping efficiency to laser output power.
Lesson 2 • Atomic Energy Levels
Covers quantized energy states, ground and excited levels, and electron transitions. Provides the atomic model needed to understand absorption and emission processes.
Lesson 3 • Gain Media and Gain Bandwidth
Surveys solid-state, gas, liquid, and semiconductor gain media and their spectral gain profiles. Prepares students to match gain media to application requirements.
Lesson 4 • Absorption, Spontaneous, and Stimulated Emission
Distinguishes the three light-matter interaction types and quantifies their rates using Einstein coefficients. Establishes stimulated emission as the mechanism behind laser amplification.
Chapter 3HideHide detailsSee detailsLaser Resonator Design and Modes
Laser Resonator Design and Modes
Lesson 1 • Optical Resonator Configurations
Introduces plane-parallel, concentric, confocal, and hemispherical cavity geometries. Connects cavity geometry to beam divergence and mode volume.
Lesson 2 • Transverse Modes and Beam Quality
Describes Hermite-Gaussian and Laguerre-Gaussian mode families and the M² beam quality factor. Enables students to specify apertures and spatial filters for mode control.
Lesson 3 • Gaussian Beam Propagation
Applies the ABCD matrix formalism and Rayleigh range to predict beam size and divergence through optical systems. Prepares students to design beam delivery trains.
Lesson 4 • Output Coupling and Cavity Losses
Covers output coupler reflectivity optimization, intracavity losses, and the threshold gain condition. Connects loss management to overall laser efficiency.
Lesson 5 • Longitudinal Modes and Frequency Selection
Explains standing-wave conditions that produce discrete longitudinal modes and techniques to select a single frequency. Ties mode spacing to cavity length for practical tuning.
Chapter 4HideHide detailsSee detailsLaser Types and Operating Characteristics
Laser Types and Operating Characteristics
Lesson 1 • Laser Performance Specifications
Teaches how to read and compare datasheets using parameters such as power, efficiency, beam quality, and noise. Equips students to make quantitative laser selection decisions.
Lesson 2 • Solid-State Lasers
Examines crystal and glass host lasers, including Nd:YAG and Ti:Sapphire, covering wavelengths, pulse formats, and efficiency. Highlights thermal management challenges unique to solid-state systems.
Lesson 3 • Semiconductor and Diode Lasers
Explains p-n junction lasing, edge-emitting and vertical-cavity surface-emitting laser (VCSEL) structures, and beam characteristics. Addresses diode laser use as both sources and pump lasers.
Lesson 4 • Gas Lasers
Covers helium-neon, CO₂, argon-ion, and excimer lasers, emphasizing discharge excitation and wavelength diversity. Connects gas laser properties to industrial and scientific applications.
Lesson 5 • Fiber Lasers and Amplifiers
Describes rare-earth-doped fiber gain media, double-clad pumping, and fiber amplifier configurations. Positions fiber lasers as high-brightness, low-maintenance alternatives to bulk solid-state systems.
Chapter 5HideHide detailsSee detailsPulsed Laser Techniques
Pulsed Laser Techniques
Lesson 1 • Mode-Locking Principles
Covers active and passive mode-locking mechanisms that phase-lock longitudinal modes to produce ultrashort pulses. Explains the time-bandwidth product and its implications for pulse compression.
Lesson 2 • Q-Switching Techniques
Explains active (AOM, EOM) and passive (saturable absorber) Q-switching to produce nanosecond pulses with high peak power. Connects Q-switch timing to pulse buildup dynamics.
Lesson 3 • Ultrashort Pulse Characterization
Introduces autocorrelation, FROG, and SPIDER techniques for measuring femtosecond and picosecond pulses. Prepares students to verify pulse quality in ultrafast laser setups.
Lesson 4 • Fundamentals of Pulsed Operation
Defines pulse duration, repetition rate, peak power, and pulse energy and their interrelationships. Establishes the vocabulary needed for all subsequent pulsed laser topics.
Lesson 5 • Pulse Compression and Stretching
Explains grating and prism compressors, chirped pulse amplification (CPA), and stretcher design for managing peak power. Connects CPA architecture to high-energy ultrafast laser systems.
Chapter 6HideHide detailsSee detailsLaser Beam Delivery and Manipulation
Laser Beam Delivery and Manipulation
Lesson 1 • Beam Expansion and Collimation
Explains Galilean and Keplerian beam expanders and their effect on divergence and spot size. Connects beam expansion to downstream focusing performance.
Lesson 2 • Fiber Coupling and Delivery
Teaches mode-matching, numerical aperture constraints, and connector types for coupling free-space beams into single-mode and multimode fibers. Covers fiber output beam characteristics and recollimation.
Lesson 3 • Focusing Optics and Spot Size Control
Applies Gaussian beam equations to select focal length and input beam diameter for a target spot size. Addresses aberrations and depth-of-focus constraints in tight-focusing applications.
Lesson 4 • Beam Steering and Alignment
Covers mirror mounts, kinematic stages, and two-mirror steering techniques for precise beam pointing. Establishes alignment procedures used throughout all laser laboratory work.
Lesson 5 • Scanning and Dynamic Beam Control
Introduces galvanometer scanners, acousto-optic deflectors, and spatial light modulators for dynamic beam positioning. Connects scanning speed and accuracy to application throughput requirements.
Chapter 7HideHide detailsSee detailsLaser-Material Interaction and Processing
Laser-Material Interaction and Processing
Lesson 1 • Laser Marking and Engraving
Distinguishes annealing, foaming, carbonization, and ablation marking mechanisms and their material dependencies. Prepares students to select marking strategies for traceability and aesthetics.
Lesson 2 • Laser Cutting and Drilling
Explains kerf formation, assist gas roles, and taper control in laser cutting and percussion drilling. Addresses parameter optimization for cut quality and throughput.
Lesson 3 • Laser Welding and Joining
Covers conduction-mode and keyhole-mode welding, joint configurations, and weld bead geometry control. Connects shielding gas and focal position to weld quality.
Lesson 4 • Absorption and Thermal Response
Covers optical absorption coefficients, heat diffusion, and melt pool dynamics for metals, polymers, and ceramics. Connects material thermal properties to laser power and dwell time selection.
Lesson 5 • Ablation and Microfabrication
Explains fluence-dependent ablation rates, incubation effects, and ultrafast laser cold ablation for precision microfabrication. Connects pulse duration to heat-affected zone minimization.
Chapter 8HideHide detailsSee detailsLaser Safety and Regulatory Compliance
Laser Safety and Regulatory Compliance
Lesson 1 • Laser Hazard Classification
Explains the international laser class system (Class 1–4) based on accessible emission limits and wavelength. Enables students to classify any laser system and determine required controls.
Lesson 2 • Engineering and Administrative Controls
Covers beam enclosures, interlocks, warning signs, standard operating procedures, and training requirements. Establishes a layered control hierarchy for laser laboratory and industrial environments.
Lesson 3 • Laser Protective Eyewear Selection
Teaches optical density requirements, wavelength coverage, and comfort factors for selecting compliant laser eyewear. Addresses common errors in eyewear specification and use.
Lesson 4 • Biological Effects of Laser Radiation
Covers ocular and skin injury mechanisms, critical wavelength ranges, and maximum permissible exposure limits. Connects biological vulnerability to the selection of protective measures.
Lesson 5 • Laser Safety Program Management
Explains the role of the laser safety officer, incident reporting, medical surveillance, and audit procedures. Prepares students to establish or evaluate a facility-level safety program.
Your valid completion certificate
This course is for you:
Electrical engineer ready to specialize in photonics and laser systems.
Manufacturing technician who operates laser equipment without formal training.
Physics graduate student bridging theory and hands-on laser engineering practice.
Biomedical researcher using lasers in imaging or therapy without deep optics background.
Career changer from mechanical engineering seeking roles in laser-based manufacturing.
Laser safety officer needing stronger technical grounding behind the regulations they enforce.
What our students say
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