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Laser Spectroscopy Podcast

Peter Beyersdorf

Recordings of Peter Beyersdorf's Physics/Chemistry 268 (Laser Spectroscopy) class at San Jose State University for the Fall of 2009

  • 1 hour 11 minutes
    Laser frequency stabilization
    We look at sources of laser frequency noise and discuss feedback techniques using a reference cavity or a molecular transition to stabilize the laser frequency.
    1 December 2009, 1:26 am
  • 1 hour 3 minutes
    Ultrafast Spectroscopy
    We look at pump probe methods using ultrafast pulses for high temporal resolution experiments.
    19 November 2009, 1:33 am
  • 1 hour 16 minutes
    Short Pulse Generation
    We look at transient effects in laser gain material, -switching and mode locking as methods to get short pulses.
    17 November 2009, 1:26 am
  • 1 hour 15 minutes
    Raman Scattering
    Podcsat from 2008 of lecture on Raman spectroscopy. This is in place of the 11/9 lecture given about Raman spectroscopy, for which the audio didn't record properly.
    10 November 2009, 1:36 am
  • 1 hour 15 minutes
    Stimulated Raman Spectroscopy
    Podcsat from 2008 of lecture on stimulated Raman scattering. This content was not covered in class this semester. This is for your interest only and will not be covered on exams.
    10 November 2009, 1:36 am
  • 1 hour 17 minutes
    Nonlinear Spectroscopy
    We look at how saturation causes hole burning in a spectral line, and measurement techniques such as lamb-dip spectroscopy and intermodulated fluorescence that can take advantage of this for doppler-free measurements.
    5 November 2009, 1:45 am
  • 1 hour 13 minutes
    Emission Spectroscopy
    We look at basic methods of emission spectroscopy including laser induced fluorescence, resonant enhanced multi-photon emission (REMPI), intermodulated fluorescence and stimulated emission pumping.
    29 October 2009, 12:21 am
  • 1 hour 17 minutes
    Absorption Spectroscopy
    WE look at basic techniques of absorption spectroscopy including direct detection, frequency modulation, intracavity absorption and cavity ringdown spectroscopy.
    27 October 2009, 12:25 am
  • 1 hour 15 minutes
    spectral line profiles
    We look at how the natural lifetime of an energy level produces a Lorentzian line profile and how the natural linewidth can be broadened by Doppler broadening, pressure broadening, transit time broadening and saturation broadening.
    22 October 2009, 12:25 am
  • 1 hour 15 minutes
    Interferometers
    We look at how interferometers can be used to measure wanelength.
    13 October 2009, 12:31 am
  • 1 hour 19 minutes
    Spectrometer Operation
    We look at the principles of operation of prism spectrometers and grating spectrometers and discuss operating characteristics (speed, resolving power, spectral transmission and free spectral range).
    8 October 2009, 12:25 am
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