Frequency Stabilization of an Argon Ion Laser PDF Download
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Author: Richard Allen Pearson
Publisher:
ISBN:
Category :
Languages : en
Pages : 64
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Book Description
Author: Richard Allen Pearson
Publisher:
ISBN:
Category :
Languages : en
Pages : 64
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Book Description
Author: Shaoul Ezekiel
Publisher:
ISBN:
Category :
Languages : en
Pages : 21
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Book Description
The aim of the research program was the long-term stabilization of the frequency of the 5145 A argon ion laser by using an I2 resonance, observed in a molecular beam, as a reference. The major accomplishments and the status of the program are outlined below. The 5145 A argon ion laser has been locked to a hyperfine transition in a molecular beam of I2. Two methods were used to measure the long-term frequency drift. The first method is the simpler one, and only requires one additional molecular beam apparatus. Here, the laser frequency drift is monitored by measuring the shift of the laser frequency with respect to the center of the same I2 transition observed in an independent molecular beam. In the second and more conventional method, two argon lasers are independently stabilized to adjacent I2 transitions in independent molecular beams. The two laser outputs are mixed on a fast photodiode, and the resulting beat frequency gives an accurate measure of frequency stability. Both methods yielded similar results; i.e., better than one-part-in 10 to the 13th power in an integration time of about 100 seconds. This was the highest stability achieved in the visible region of the spectrum at the time the measurements were made. The shift in the stabilized laser frequency as a function of laser intensity was found to be less than two-parts-in 10 to the 14th power for a 1% change in laser intensity at I mW. This value is still an upper limit at present, pending a more detailed study.
Author: Ming Lai
Publisher:
ISBN:
Category :
Languages : en
Pages : 136
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Author: Timothy Joseph Ryan
Publisher:
ISBN:
Category :
Languages : en
Pages : 306
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Author: William Ralph Bennett
Publisher: Springer
ISBN:
Category : Science
Languages : en
Pages : 312
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Author: Richard Peter Hackel
Publisher:
ISBN:
Category : Argon
Languages : en
Pages : 128
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Author: John L. Hall
Publisher: SPIE-International Society for Optical Engineering
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 296
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Book Description
Author: James Pawley
Publisher: Springer Science & Business Media
ISBN: 0387455248
Category : Science
Languages : en
Pages : 1014
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Book Description
Once the second edition was safely off to the printer, the 110 larger world of micro-CT and micro-MRI and the smaller world authors breathed a sigh of relief and relaxed, secure in the belief revealed by the scanning and transmission electron microscopes. that they would “never have to do that again. ” That lasted for 10 To round out the story we even have a chapter on what PowerPoint years. When we ?nally awoke, it seemed that a lot had happened. does to the results, and the annotated bibliography has been In particular, people were trying to use the Handbook as a text- updated and extended. book even though it lacked the practical chapters needed. There As with the previous editions, the editor enjoyed a tremendous had been tremendous progress in lasers and ?ber-optics and in our amount of good will and cooperation from the 124 authors understanding of the mechanisms underlying photobleaching and involved. Both I, and the light microscopy community in general, phototoxicity. It was time for a new book. I contacted “the usual owe them all a great debt of gratitude. On a more personal note, I suspects” and almost all agreed as long as the deadline was still a would like to thank Kathy Lyons and her associates at Springer for year away.
Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 960
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Book Description
Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.
Author: Hartmut Figger
Publisher: Springer Science & Business Media
ISBN: 3662048973
Category : Science
Languages : en
Pages : 525
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Book Description
Published on the occasion of Theodor Hänsch's 60th Birthday emphasis is placed on precision related to results in a variety of fields, such as atomic clocks, frequency standards, and the measurement of physical constants in atomic physics. Furthermore, illustrations and engineering applications of the fundamentals of quantum mechanics are widely covered. It has contributions by Nobel prize winners Norman F. Ramsey, Steven Chu, and Carl E. Wieman.
