SC3Understand laser sources
New program
Level: Basic/Advanced
Audience:
Senior technicians and engineers (design office, R&D, fabrication / production, fabrication support, industrialization, ...) needing a first approach to work with lasers
Prerequisites:
Basic knowledge in physics and optics
Language of the training: French
Maximum capacity: 12
Price: 2150 € HT -
Duration: 5 days - 35 h
Objectives
Understand basic properties ans associated technologies
Acquire a basic experimental know-how on laser sources
Operate a laser under good conditions for various applications
Interact with laser specialists or laser salers
Understand a laser data sheet
Check the sessions
Addressed topics
- Laser physics and non linear optics
- Properties, technologies and applications
- Pulsed lasers
- Laser safety
- Laser alignment (labworks)
- Laser characterization (labworks)
- Laser propagation through optical systems (labworks)
The program
Basic principles
- Light-matter interaction, spontaneous emission, stimulated emission, absorption, cross section, amplification, gain, oscillation threshold, output power
Non linear optic
- Principles and application to frequency doubling and sum frequency generation
Laser properties, gaussian beams
Laser technology
- Gas lasers, solid state lasers, laser diodes, fiber lasers
The laser market worldwide
Laser applications
- Material processing, optical telecommunications, sensing, measurements, biomedical...
Pulsed lasers
- Q:switched and mode-locked lasers and related technologies
Laser safety
- Effets on tissues, standards, caution of use
Labworks and experimental demos
- He Ne laser: cavity alignement, observation and characterization of transverse and longitudinal modes
- Laser diode: angular and spectral characterisation, effect of the temperature and of the driving current on the output characteristics
- Second harmonic generation in a KDP crystal
- Flashpumped Nd:YAG laser: energetic and temporal characterization, alignement and observation of differents pulsed regims: free running and passive Q-qwitching
- Diode pumped Nd:YVO4 in passive mode-lock operation: alignment and pulse measurement by autocorrelation
- Laser beam propagation through an optical system
Methodology and assessment
This training is based on three mains axis:
- basics principles
- overview of technologies
- a solid experimental training on lasers
Pedagogical manager(s):
- François Balembois - Professor at Institut d'Optique
