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Laser

A photocopy from a book by Watson p23-64 (easy read)Population Inversion and Diode Laser:

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Laser

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  1. LASER(semiconducting Lasers) LASER 1 EBB 424E Dr Zainovia Lockman

  2. Lecture Contents • Definition of lasers • Emission and absorption of radiation • Population Inversion • Semiconducting lasers • Materials used for semiconducting laser • Laser for fibre optics communication • Quantum Well devices

  3. For the Laser Course You Need: • A general reading on lasers: • A photocopy from a book by Watson p23-64 (easy read) • Population Inversion and Diode Laser: • A photocopy from Wilson and Hawkes • p 169- 182 (more advance reading) • P 204-223 (more advance reading) • A general reading + the optical fibre application + on laser diode • A photocopy from Kasap • p.159-166 (optical fibre) • P.181-196 • EBB 424 Lecture Presentation • EBB 424 Short Lecture Notes summarising all of the above.

  4. Important Announcement 1:Test schedule A Test on LED and laser will be conducted on: 26th September 40 objective questions

  5. Assignments and Tests • Group activity 1 (presentation only) = 25% - done • Group activity 2 (open book test) = 25% • Test I = 25% • Test 2 = 25%

  6. Information about the exam Please study the pass year paper and all of the ‘typical exam questions’ presented to you in the lectures. There will be 3.5 questions from Optoelectronics Part. Compulsory for you to answer 2 questions from both part A and B. Then choose one question from any parts.

  7. Lecture: Laser Objectives (by the end of the lectures on laser student will be…) Able to state the definition of laser Able to state the principle of population inversion Able to explain the principle of semiconducting laser Familiarise with the concept of light simulation and polarisation Able to list down all materials criteria and materials selection for a given semiconducting laser compound. Able to highlight several examples of the application of laser.

  8. Diode Laser

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