HighOrder Sideband Generation Jordan Grace Physics Mentor Hunter
High-Order Sideband Generation Jordan Grace Physics Mentor: Hunter Banks Faculty Advisor: Prof. Mark Sherwin Institute for Terahertz Science and Technology Funded by the National Science Foundation
Terahertz Radiation
Free Electron Laser High voltage Medium voltage Low voltage
FEL e
λ= Describing a Wave c/f f = 1/T Frequency Energy = v f λ E = hf ω Wavelength = λ 2 / λ = c/f π πf 2 = k
Physics 101 - Frequency Space
Frequency 1 Hz = 1 wave cycle per second 1 THz = 1 trillion wave cycles per second
Exciton Ga. As e+
Physics 102 - Energy Planck Constant E=hf frequency
Sample Data NIR Laser E = hf
Physics 103 - Wavelength (meters) Space
Wavelength Speed of Light λ = c/f Frequency Near-Infrared THz Gap Laser 300 GHz 370 THz 30 THz 1 mm 810 nm 10 μm
Camera Setup Diffraction Grating Camera To Lab. VIEW HSG Signal
Lab. VIEW
Lab. VIEW
Front Panel
Acknowledgements Mark Sherwin – Principle Investigator Hunter Banks - Mentor Dave Enyeart – Master of the FEL The Sherwin Group
References Images • THz Gap 1: http: //www. nature. com/nature/journal/v 417/n 6885/fig_tab/417132 b_F 1. html • • THz Gap 2: http: //circe. lbl. gov/THz. Gap. html THz Gap 3: http: //www. teraphysics. com/understanding-thz. html CMB: http: //invisibles. eu/index. php? q=attached_image/4288&fid=3918 FEL: http: //sherwingroup. itst. ucsb. edu/facilities. html EM Spectrum: http: //www. lbl. gov/Micro. Worlds/ALSTool/EMSpec 2. html Body Scanner: Property of the Transportation Security Administration Marvin the Martian is property of Warner Brothers Reese Witherspoon’s sidebangs: Andreas Rentz / Getty Images Information • http: //www. ece. ucsb. edu/Faculty/rodwell/research_group/highfreq. ht ml • http: //www. teraphysics. com/understanding-thz
Thanks!
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