# Optical Spectroscopy and Microscopy : Fundamentals of optical measurements and instrumentation

- Institution: IISc Bangalore
- Department: Biotechnology
- Teacher: Prof. Balaji Jayaprakash
- Level: Undergraduate
- Language: English
- Subjects: Biology
- Source: [NPTEL](https://nptel.ac.in/courses/102108082)
- Licence: [CC BY-NC-SA](https://nptel.ac.in/faq) (Non-commercial use only.)
- Syllabus: [at the source](https://nptel.ac.in/courses/102108082)
- Who can watch: Tweens profiles and older (sources give no ratings; placed by Invisible Network from the source's own words)

## Lectures

1. [Optical Focus and Localisation of Light](https://invisiblenetwork.ai/learn/nptel/102108082/7a610264c7db) (Video)
2. [Relating Photon's Momentum to Spot Size](https://invisiblenetwork.ai/learn/nptel/102108082/4c508e56c910) (Video)
3. [Shortest Pulse of Light: How fast can we shutter the light?](https://invisiblenetwork.ai/learn/nptel/102108082/eb6dc1bcc2ed) (Video)
4. [Behaviour of light through polarizers: Introduction](https://invisiblenetwork.ai/learn/nptel/102108082/9a8a6da35715) (Video)
5. [Nature of Light: Introduction to Photo Multiplier Tubes](https://invisiblenetwork.ai/learn/nptel/102108082/5be036f59d05) (Video)
6. [Revisiting Polarisation Through Ket Vectors](https://invisiblenetwork.ai/learn/nptel/102108082/a9d1bfc52406) (Video)
7. [Light through Polarisers: Detailed Description - I](https://invisiblenetwork.ai/learn/nptel/102108082/0a7cc9699580) (Video)
8. [Light through Polarisers: Detailed Description - II](https://invisiblenetwork.ai/learn/nptel/102108082/098ace1c71a6) (Video)
9. [Time Dependent Perturbation Theory (TDPT): Overview](https://invisiblenetwork.ai/learn/nptel/102108082/a4d305a280e0) (Video)
10. [TDPT in Steps -1: Unperturbed and Perturbed Hamiltonian](https://invisiblenetwork.ai/learn/nptel/102108082/b590d1b22fa9) (Video)
11. [TDPT in Steps - 2: Introducing λ- the switch and first approximation](https://invisiblenetwork.ai/learn/nptel/102108082/60c189af91f1) (Video)
12. [TDPT in Steps -3 : Finding the co-efficients](https://invisiblenetwork.ai/learn/nptel/102108082/c815ad066adb) (Video)
13. [Fermi's Golden Rule](https://invisiblenetwork.ai/learn/nptel/102108082/844b376f7258) (Video)
14. [Beer Lambert's Law from TDPT](https://invisiblenetwork.ai/learn/nptel/102108082/72facd83a31a) (Video)
15. [Einstein's Phenomenology](https://invisiblenetwork.ai/learn/nptel/102108082/c0edcbfeb80c) (Video)
16. [Einstein's Coefficients, Fluorescence and Lifetime](https://invisiblenetwork.ai/learn/nptel/102108082/9e3c982c98c6) (Video)
17. [Fock States and Photonic Treatment of LightÂ](https://invisiblenetwork.ai/learn/nptel/102108082/07e19e8d13e3) (Video)
18. [Operators in Fock State Space](https://invisiblenetwork.ai/learn/nptel/102108082/3f9ec3870f19) (Video)
19. [Light Matter Interaction and Rudimentary Feynman Diagrams](https://invisiblenetwork.ai/learn/nptel/102108082/b1eca59dc84c) (Video)
20. [Emergence of Spontaneous and Stimulated Emission Processes](https://invisiblenetwork.ai/learn/nptel/102108082/8b3747e5af54) (Video)
21. [Anisotropy of emitted Fluorescence.](https://invisiblenetwork.ai/learn/nptel/102108082/6f8df0f6bdb1) (Video)
22. [Fluorescence spectrum.( introduction )](https://invisiblenetwork.ai/learn/nptel/102108082/753ba103fd65) (Video)
23. [Fluorescence spectrum – Symmetry rule (Part 2)](https://invisiblenetwork.ai/learn/nptel/102108082/49876b5ea5a5) (Video)
24. [Singlet –Triplet states](https://invisiblenetwork.ai/learn/nptel/102108082/9ba4f6744bd2) (Video)
25. [Jablonski diagram.](https://invisiblenetwork.ai/learn/nptel/102108082/c5c5d49ba2ea) (Video)
26. [Introduction to LASER](https://invisiblenetwork.ai/learn/nptel/102108082/9467d72f57df) (Video)
27. [LASER population dynamics](https://invisiblenetwork.ai/learn/nptel/102108082/f44945bdd348) (Video)
28. [LASER population dynamics (Part- 2)](https://invisiblenetwork.ai/learn/nptel/102108082/67daae1992c5) (Video)
29. [Real world LASER & characteristics of LASER emission](https://invisiblenetwork.ai/learn/nptel/102108082/c4fefce104ef) (Video)
30. [Temporal and Spatial Coherence](https://invisiblenetwork.ai/learn/nptel/102108082/d498a019aa30) (Video)
31. [Transverse and Longitudinal modes of LASER](https://invisiblenetwork.ai/learn/nptel/102108082/acc89670c028) (Video)
32. [Pulsed LASER](https://invisiblenetwork.ai/learn/nptel/102108082/b4735c692040) (Video)
33. [Q-switching in detail](https://invisiblenetwork.ai/learn/nptel/102108082/f7b01b773b48) (Video)
34. [Q switching in detail ( part-2 )](https://invisiblenetwork.ai/learn/nptel/102108082/d2ee53ce1db2) (Video)
35. [Basics of mode locking](https://invisiblenetwork.ai/learn/nptel/102108082/6ac79f88c5bf) (Video)
36. [Basics of mode locking ( part 2)](https://invisiblenetwork.ai/learn/nptel/102108082/511b5c5af1bb) (Video)
37. [Pulse compression](https://invisiblenetwork.ai/learn/nptel/102108082/13daa9697580) (Video)
38. [Real world system (Mode lock part -2)](https://invisiblenetwork.ai/learn/nptel/102108082/e3c80e324a83) (Video)
39. [TEM mode](https://invisiblenetwork.ai/learn/nptel/102108082/510477c588cc) (Video)
40. [Alignment basics](https://invisiblenetwork.ai/learn/nptel/102108082/010c68c8903b) (Video)
41. [Non-Linear Optics](https://invisiblenetwork.ai/learn/nptel/102108082/111a15f78292) (Video)
42. [Confocal Detection](https://invisiblenetwork.ai/learn/nptel/102108082/e188d546ca71) (Video)
43. [Interference Filters](https://invisiblenetwork.ai/learn/nptel/102108082/9d60873b652d) (Video)
44. [Laser Scanning System -1](https://invisiblenetwork.ai/learn/nptel/102108082/fc4058822c4f) (Video)
45. [Laser Scanning System -2](https://invisiblenetwork.ai/learn/nptel/102108082/48c838628c39) (Video)
46. [Alignment of Moving Beams](https://invisiblenetwork.ai/learn/nptel/102108082/da9f0d69f791) (Video)
47. [Decoding an Objective Lens- 1](https://invisiblenetwork.ai/learn/nptel/102108082/817810d09b4a) (Video)
48. [Decoding an Objective Lens -2](https://invisiblenetwork.ai/learn/nptel/102108082/ba7e62510b75) (Video)
49. [Designing Lens Systems](https://invisiblenetwork.ai/learn/nptel/102108082/92d8e4327753) (Video)
50. [Astigmatism and Field Curvature](https://invisiblenetwork.ai/learn/nptel/102108082/71302239ade6) (Video)
51. [Intro to Lab Session](https://invisiblenetwork.ai/learn/nptel/102108082/ea9e38f0a958) (Video)
52. [Optics in LAB: Aligning light through an optical fiber -1](https://invisiblenetwork.ai/learn/nptel/102108082/c636e3f73e78) (Video)
53. [Optics in Lab: Telescope](https://invisiblenetwork.ai/learn/nptel/102108082/dd3207577aac) (Video)
54. [Kinematic Mounts](https://invisiblenetwork.ai/learn/nptel/102108082/a0e1d88cc2a1) (Video)
55. [Alignment with out iris](https://invisiblenetwork.ai/learn/nptel/102108082/96a06fce272e) (Video)
56. [Fluorescecne Spectrometer -1](https://invisiblenetwork.ai/learn/nptel/102108082/a5c32f614a62) (Video)
57. [Fluorescecne Spectrometer -2](https://invisiblenetwork.ai/learn/nptel/102108082/b2d2846a016d) (Video)
58. [Ti:Sapphire Laser and Two Photon Fluorescecne](https://invisiblenetwork.ai/learn/nptel/102108082/fecc51e15415) (Video)
59. [Live Session 25-02-2021](https://invisiblenetwork.ai/learn/nptel/102108082/7a610264c7db-2) (Video)
60. [Live Session 03-07-2022](https://invisiblenetwork.ai/learn/nptel/102108082/4c508e56c910-2) (Video)
61. [Live Session 04-04-2025](https://invisiblenetwork.ai/learn/nptel/102108082/eb6dc1bcc2ed-2) (Video)