By T. W. Hänsch (auth.), Professor William M. Yen, Dr. Marc D. Levenson (eds.)
This quantity originated in a cheerful occasion honoring Arthur Schawlow on his sixty fifth birthday. As a learn physicist, Schawlow has been a massive infiuence at the current nature of physics and of excessive know-how. He has additionally had a job, in the course of the American actual Society and different firms, in shaping coverage for the area of physicists. vital as those expert actions were, the contributions to this quantity weren't ready only for those purposes, yet extra for paintings Schawlow the pal, colleague, and instructor. i'm person who has had the privilege of understanding and participating with artwork, most likely over an extended time period than others partaking during this quantity, and in a few diverse agencies; his friendship and stimulating medical skills are a truly major a part of my very own lifestyles. it truly is for this reason a excitement to participate during this quantity celebrating his contributions to technology and to scientists. Schawlow's occupation has been geographically situated on the college of Toronto, Columbia college, the Bell mobile Laboratories, and Stan ford collage. yet, as is illustrated through the papers of this quantity, its results and his own infiuence have subtle extensively. In his personal paintings, artwork Schawlow is famous for considerate mind's eye, willing actual instinct, and what will be proposal an curiosity in instruments - not only any contraptions, yet appealing and cutting edge mechanisms or new suggestions during which he charac teristically acknowledges vital potentials.
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Additional info for Lasers, Spectroscopy and New Ideas: A Tribute to Arthur L. Schawlow
LJ in 1O- 8 s) that were focused (with some diffieulty) to irradiances of 109 W/cm2• A remarkable number of nonlinear processes were observed and quantified in the 1960~. 7-mdiameter beams at irradiances greater than 109 W/cm 2 over many meters before they are focused onto their targets. The irradiances of these beams are high enough without focusing to cause efficient (70%) harmonie conversion in 1-cm-thick plates of crystalline potassium dihydrogen phosphate (KDP); they are, in fact, high enough to push the limits of stable beam propagation in all media in whieh they travel.
C) Sketch of experimental setup. Laser 1 (at bottom) Is locked on the 6S 1 / 2 -+ 7P 3/ 2 resonance IIne of an auxll/ary ceslum beam. Laser 2 (at top) Is scanned across the 50 5 / 2 -+ 26F absorption IIne. Laser 1 excltes the atoms upstream the mlrror cavlty; laser 2 detects them downstream. The Rydberg atoms are detected by field lonization and counting the resultlng e/ectrons wlth the channel e/ectron multiplier (CEM). The Insert shows an e/ectron mlcroscope plcture of the mlrror gap exlt. 41 partieular the F=5 and F=4 ones - ean also deeay via IT-polarlzed 6M=O ehannels whleh are not cut-off in the cavlty (see Fig.
Thls experiment was the one-atom limit of the overdamped regime of a TIME Flaure 3 : Time Cfsolved lonlzatlon signal demonstratlng the oneatom translent maser action. The signal Is the lonlzatlon eurrent reeorded durlng the ramp ot lonlzlng fleld followlng each laser pUlse (see Fig. 1b). The signal Is averaged over a few hundred laser pulses. /z states of Na). The laser Intenslty 18 reduced so that tor most pulses, one or two atoms are exclted In the eavlty. The dotted and tull line eurves correspond respeetlve/y to off and on-re80nanee cavlty.
Lasers, Spectroscopy and New Ideas: A Tribute to Arthur L. Schawlow by T. W. Hänsch (auth.), Professor William M. Yen, Dr. Marc D. Levenson (eds.)