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Recent needle cathode developments • Bigger needles = more current • Use 5th harmonic Nd:YAG, 5 ns pulse, maximum 50 µJ/pulse
Dimensions of the aluminum grating • Gratings are fabricated out of aluminum using very thin saw blades • Dimensions will be 12.5 mm long (1/2 inch), with 250 µm period, 150 µm grove width and 200 µm depth • 173 µm period, 62 µm width and 100 µm depth used for calculations* 200 µm 250 µm 150 µm 12.5 mm *Parameters used at Dartmouth, Urata et. al., PRL, 80, 516, (1998)
Page 1 and 2: Progress on the Vanderbilt Table To
Page 3 and 4: WANTED: a narrowband THz source for
Page 5 and 6: Examine protein secondary structure
Page 7 and 8: How this compares to other THz sour
Page 9 and 10: Experimental apparatus
Page 11: Needle cathode e-beam has high brig
Page 15 and 16: • Evanescent wave: Details of las
Page 17 and 18: Amplitude growth rate, µ (m -1 ) 6
Page 19 and 20: Net gain (m -1 ) 200 150 100 50 Net
Page 21 and 22: Angular power (nW/steradian) 160 14
Page 23 and 24: We will conduct the following exper

slides - CASA

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