Excerpt from Design, Construction, and Testing of a New High Accuracy Spectrophotometer
Off - axis parabolic mirrors are used in the monochromator and exit optics. Circular apertures are used as entrance and exit apertures in the monochromator so that a well-collimated beam is provided in the sam ple compartment. The use of off - axis mirrors also eliminates inter reflections that are present in lens systems. Since the beam is colli mated, there is no change in focus upon insertion of a plane sample as there is in a converging beam.
A large sample space was incorporated into the spectrophotometer to allow for flexibility both in type of measurement and in the methods of measurement. For example, other light beam geometries can be simu lated in this spectrophotometer. A detector and electronics that are both precise and linear were used to minimize corrections necessary for any measurement. Extensive testing described in sections II, III, and IV below was done to characterize the performance of the instrument.
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Paperback. Zustand: New. Print on Demand. This book delves into the meticulous design, construction, and rigorous testing of a state-of-the-art spectrophotometer ââ â a sophisticated instrument crucial for precise measurement of light transmittance and absorbance. The author meticulously details the intricate components of the spectrophotometer, encompassing light sources, optics, and detectors, providing a comprehensive understanding of the instrument's inner workings. Emerging during a period of rapid technological advancement, this work reflects the pursuit of ever-increasing accuracy in scientific measurement. The author's focus on minimizing systematic errors and achieving well-defined, measurable results underscores the growing demand for precision in various scientific disciplines. Exploring themes of instrumental design, light and optics, and the quest for precision measurement, this book offers valuable insights into the complexities of spectrophotometry. The author's dedication to achieving unprecedented accuracy in transmittance measurements paves the way for advancements in diverse fields, ranging from materials science to analytical chemistry and beyond, highlighting the far-reaching impact of this groundbreaking work. This book is a reproduction of an important historical work, digitally reconstructed using state-of-the-art technology to preserve the original format. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in the book. print-on-demand item. Bestandsnummer des Verkäufers 9780428950552_0
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PAP. Zustand: New. New Book. Shipped from UK. Established seller since 2000. Bestandsnummer des Verkäufers LW-9780428950552
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