Infopaket

Workshop on laser physics

ОК4

Обов’язкова дисципліна для ОП

Second

2023/2024

1 Semester

3

Know the methods of creating inversion and their relationship with active media. Know the operating modes of lasers and their radiation parameters. Be able to choose the optimal conditions for focusing and converting laser beams, calculate the size of the energy concentration region and the radiation intensity in it. Understand the requirements for ensuring monochromaticity of laser radiation. Be able to select longitudinal modes of a solid-state laser. Know the requirements for the accuracy of adjustment and adjustment mechanisms. Be able to adjust gas and solid-state lasers. Be able to record the main parameters of laser radiation (energy, spectrum, pulse duration, diameter, beam divergence). Independently optimize laser parameters to solve specific practical problems.

Have basic knowledge of the special course "Laser Technology and Applied Quantum Electronics", "Optics", "Geometric Optics", "Technique of Optical Spectroscopy". Have skills in working with basic optical instruments: telescope, collimator, interferometer, spectrograph. Have skills in working with specialized physical information processing packages "Origin" or "Mathcard".

Within the framework of the special workshop, methods of laser adjustment, control and determination of their radiation parameters are practically studied: spectrum, energy, radiation pattern, time characteristics, reconfiguration of the generation spectrum and conversion of laser beams. The program of the special workshop involves the performance of eight laboratory works: (topics): 1. Lab.1. Adjustment of the resonator of a ruby ​​laser. 2. Lab.2. Generation spectrum and selection of longitudinal modes of a ruby ​​laser. 3. Lab.3. Adjustment of the resonator of a He-Ne laser. 4. Lab.4. Transverse modes and generation characteristics of a He-Ne laser. 5. Lab.5. Dynamics of radiation of a neodymium laser in free generation and Q-switching modes. 6. Lab.6. Dynamics of radiation of a neodymium laser in free generation and Q-switching modes. 7. Lab.7. Focusing and transformation of a laser beam, determination of its spatial and energy characteristics. 8. Lab.8. Tuning the wavelength of an organic dye laser with a dispersion resonator.

1. Karl F. Renk. Basics of Laser Physics, 2-d edit. – Springer, 2017, 676 p. 2. H.J. Eicher, J. Eicher, O. Lux. Lasers. Basics, Advances and Applications. Springer, 2018, 511p. 3. K.Thyagarajan, A. Ghatak. Lasers. Fundamentals & applications, 2-d edit. – Springer, 2011, 659 p. 4. В.П.Гаращук. Основи фізики лазерів. – К., В-во «Пульсари», 2012, 342с. 5. В.П.Ящук. Вибрані питання фізики лазерів. -К., 2017, 72с. 6. В.П.Ящук. Розширений практикум з квантової електроніки. Методичний посібник.-К., 2017, 87с. 7. О.О.Птащенко. Основи квантової електроніки. – Одеса, Астропрінт, 2010, 390с. 8. ДСТУ EN 60825-1:2019 Безпечність лазерних виробів. Частина 1. Класифікація обладнання та вимоги (EN 60825-1:2014, IDT ; IEC 60825- 1:2014, IDT). 9. ДСТУ EN ISO 11554:2019 Оптика та оптичні прилади. Лазери та лазерна апаратура. Методи випробування потужності, енергії та часових характеристик лазерного пучка (EN ISO 11554:2017, IDT; ISO 11554:2017, IDT).

Teaching methods: laboratory work in a special workshop, consultations. Assessment methods: survey, written report and defense of each laboratory work.

The final grade is based on the intermediate grades of laboratory work defenses (80%) and the test (20%). Semester assessment: 1. LM1: completion and defense of laboratory works No. 1 -4 1 (24 points - 40 points). 2. LM2: completion and defense of laboratory works No. 5 -8 1 (24 points - 40 points). - Final assessment in the form of a credit (mandatory examination assessment in written form).

Ukrainian