Developments in Applied Spectroscopy: Volume 2: Proceedings by Forrest F. Cleveland (auth.), J. R. Ferraro, J. S. Ziomek

By Forrest F. Cleveland (auth.), J. R. Ferraro, J. S. Ziomek (eds.)

For the final 13 years, the Chicago component to the Society for utilized Spectroscopy has backed a symposium within the spring of every 12 months. during this span, the symposia have proven a gentle raise in attendance, within the variety of papers provided, within the variety of periods, and within the variety of days the convention lasted. The length of the latest sym­ posium was once 4 days, with periods dedicated to molecular spectroscopy, together with infrared, Raman, ultraviolet, and visual, and to X-ray, NMR, emission, and flame spectroscopy, respectively, with a distinct consultation dedicated to gasoline chroma­ tography as a result of its starting to be curiosity in utilized spectro­ scopic paintings. one other characteristic of this final symposium used to be the test on a part of the Symposium Committee to set up and retain the clinical point at that of utilized physics. this could position the current symposium at a degree someplace among that of the Ohio nation symposium and that of the Pittsburgh assembly, therefore imminent the extent of utilized chemical physics. furthermore, the symposium was once designed to provide to sci­ entists from different disciplines and scholars a chance to wait introductory panels and lectures and whilst the mature investigators a gathering flooring and the opportunity to maintain abreast of the most recent advancements in spectroscopy. How good those goals were finished is healthier attested to through the outstanding progress of the symposium.

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Additional resources for Developments in Applied Spectroscopy: Volume 2: Proceedings of the Thirteenth Annual Symposium on Spectroscopy, Held in Chicago, Illinois April 30–May 3, 1962

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9 MFD 0: I~~----------~ CHAR;Ng RIVE : PEN LIFT SCAN ~-------------r----------~CONTROLS : SCAN DRIVE ~ I +-0 I I I I 115V AC GRATING MOUNT CAM DRIVE Fig. 1. Indexing mechanism electrical diagram. Fig. 2. Indexing mechanism. 36 MARTIN H. >,------o-----~-II REFOCUSING MIRROR COLLIMATOR MIRROR REFERENCE SOURCE MIRROR Fig. 3. NK-3 optics. solenoid, which releases the cam follower from the grating shaft, actuates the motor clutch combination to rotate the grating to a new position or shifts gratings, stops the scan drive, operates the pen lift, and stops the chart drive.

If we used another monochromatic source, twice the wavelength of the first, the oscillations in brightness would occur half as frequently. If we drove the mirror with a sawtooth voltage which produced a linear velocity on the forward motion, the detector would see a monochromatic source as a brightness fluctuation of constant frequency. The exact value of the frequency would depend on the source wavelength and the mirror velocity. For a given mirror velocity, each wavelength in the source would produce a different frequency at the detector.

NK-3 optics. solenoid, which releases the cam follower from the grating shaft, actuates the motor clutch combination to rotate the grating to a new position or shifts gratings, stops the scan drive, operates the pen lift, and stops the chart drive. As the grating -moves to the new position, the switch on the grating mount releases. At the proper location for the grating to start the next segment, this switch operates again, causing the latching relay to operate. This operation of the latching relay simultaneously releases the index solenoid, stops the motor-clutch combination, starts the scan drive, drops the pen on the chart, and starts the chart drive.

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