Learn · Fundamentals of Attosecond Science and Technology (FAST)

Lecture 95 of 97week-12

FROG Measurements

Prof. Sivarama Krishnan · IIT Madras

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Fundamentals of Attosecond Science and Technology (FAST), IIT Madras (at NPTEL)
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CC BY-NC-SA, as NPTEL states it. Non-commercial use only.
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All the lectures

  1. Introduction to waves, 1D wave equation and its solutions Video
  2. 1D Light waves Video
  3. Characteristics of light waves - amplitude, absolute phase, wavelenght and frequency Video
  4. Phase, Phase velocity and Phase delay Video
  5. Complex notation for the description light waves and superposition Video
  6. Maxwell's equations to the 3D wave equation and its solutions Video
  7. Recap of Week 1 Video
  8. 3D wave equation and plane waves Video
  9. Complex notation for Electric fields, Superposition and interference Video
  10. Fabry - Perot inteferometer and it transmittance Video
  11. Physical interpretation of FP transmittance Video
  12. Recap of Fabry - Perot modes Video
  13. Free spectral range of a Fabry - Perot etalon Video
  14. Resonator modes and optical pulses - insight Video
  15. Table - Top Coherent & Incoherent Imaging Video
  16. Recap of Etalon free spectral range Video
  17. Line width and finesse of an etalon Video
  18. Actual resonator modes Video
  19. Resonator configurations and stability Video
  20. Recap of optical resonators Video
  21. Introduction of light pulses Video
  22. Complex amplitude, Gaussian pulse Video
  23. Recap of light pulses Video
  24. Introduction of Fourier Transforms Video
  25. Tutorial 1 Video
  26. Motivating Fourier Transforms Video
  27. Fourier Transform Properties Video
  28. Frequency domain electric field Video
  29. Recap of Fourier transform properties Video
  30. Frequency domain description of pulses Video
  31. Spectral Phase Video
  32. Recap of spectral phase Video
  33. Instantaneous Frequency and group delay Video
  34. Phase wrapping, blanking, and Tayor series expansion Video
  35. Recap of instantaneous frequency, phase wrapping, and phase blanking Video
  36. Frequency domain phase expansion, group delay dispersion Video
  37. Absolute Phase Video
  38. Recap of concepts + discussion Video
  39. Absolute Phase (revisited) Video
  40. Carrier envelope phase, frequency comb Video
  41. Discussion Video
  42. Recap of concepts Video
  43. First order phase Video
  44. Second order phase Video
  45. Recap of first order and second order phase Video
  46. Chirped pulse: Instantaneous frequency and Fourier transform Video
  47. Group delay, nonlinearly chirped pulse Video
  48. Recap of chirped pulses Video
  49. Quadratic chirp pulses Video
  50. Higher order spectral phase Video
  51. Recap and discussion on higher order phase Video
  52. Relative importance of intensity and phase Video
  53. Pulse propagation through a medium Video
  54. Recap of pulse propagation and pulse length Video
  55. Discussion of RMS pulse width and uncertainty principle Video
  56. Time-bandwidth product Video
  57. Recap of previous module Video
  58. Introduction of Lorentz Oscillator Model Video
  59. Effect of matter on light Video
  60. Recap of Lorentz oscillator, Polarization tensor Video
  61. Dynamics of electrons in the Lorentz oscillator Video
  62. Solving the inhomogeneous wave equation Video
  63. Inhomogeneous wave equation, absorption coefficient, refractive index Video
  64. Nonlinear response of matter Video
  65. Origin of nonlinear optical effects Video
  66. Wave equation in an inert gas Video
  67. Perturbation theory and second harmonics Video
  68. Numerical simulation strategy Video
  69. Atoms in the presence of fields Video
  70. Ionization models Video
  71. Attosecond pulse generation and metrology Video
  72. Nonlinear optics review Video
  73. Nonlinear response of matter to light Video
  74. Sum and difference frequency generation Video
  75. Recap of sum and difference frequency generation, second harmonic generation Video
  76. Generalized nonlinear effects, conservation laws in SHG Video
  77. Phase matching in SHG, polarization dependent refractive index Video
  78. Review of Second Harmonic Generation Video
  79. Birefringence and Uniaxial Media Video
  80. Phase Matching Using Birefringence Video
  81. Second order nonlinear effects in isotropic media Video
  82. Kerr effect and self phase modulation Video
  83. Spatial domain Kerr effect Video
  84. Recap of previous lecture, birth of ultrafast technology Video
  85. Motivating the measurement of events in time Video
  86. Measuring Ultrashort pulses Video
  87. Pulse Measurement in the Time-Domain Video
  88. Auto-correlation Measurements Video
  89. Types of Auto-correlation Measurements Video
  90. Review of Interferometric Auto-correlation measurements Video
  91. Auto-correlation of complex pulses Video
  92. Spectrogram and FROG Video
  93. Review of spectrograms Video
  94. FROG as a phase-retrieval problem Video
  95. FROG Measurements Video
  96. Live Session 14-02-2025 Video
  97. Live Session 19-02-2025 Video