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Laser Power And Energy Measurements

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Laser Power And Energy Measurements

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Author : United States. National Bureau of Standards
language : en
Publisher:
Release Date : 1969

Laser Power And Energy Measurements written by United States. National Bureau of Standards and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1969 with Calorimetry categories.

Calorimeters for measuring the output energy of pulsed ruby and neodymium glass lasers have been built and calibrated.The absorbing medium is an aqueous solution of CuSO4. Calibration of *laser energy detectors has an estimated uncertainty of plus or minus 2% for input energies of 0.1J to 100J.Instrumentation is described that is used for the calibration of cw laser power meters.The calibration unit employs an absorption cell calorimeter to calibrate the output of a photovoltaic cell transfer detector.The calibrations are within an accuracy of 4%.A discussion and description is also given of several types of calorimeters that have been used to measure the output of a 100 watt CO2 laser.The most recent design provides for measurement from 1 watt to 5 kilowatts with a measured accuracy of better than 3%.(Author).

Laser Power And Energy Measurements With Lists Of References

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Author :
language : en
Publisher:
Release Date : 1969

Laser Power And Energy Measurements With Lists Of References written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1969 with categories.

Laser Power And Energy Measurements

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Author : D. A. Jennings
language : en
Publisher:
Release Date : 1969

Laser Power And Energy Measurements written by D. A. Jennings and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1969 with Lasers categories.

Calorimeters for measuring the output energy of pulsed ruby and neodymium glass lasers have been built and calibrated. The absorbing medium is an aqueous solution of CuSO4. Calbration of laser energy detectors has an estimated uncertainty of plus or minus 2% for input energies of 0.1J to 100J. Comparisons of absorption cell calorimeters with metal plate calorimeters agree within 1%. Instrumentation is described that is used for the calibration of CW laser power meters. The calibration unit employs an absorption cell calorimeter to calibrate the output of a photovoltaic cell transfer detector. The power meter to be calibrated is then compared to the calibrated output of the transfer detector.

Power And Energy Measurement Of Repetitively Pulsed Lasers

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Author : D. A. Jennings
language : en
Publisher:
Release Date : 1971

Power And Energy Measurement Of Repetitively Pulsed Lasers written by D. A. Jennings and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1971 with Lasers categories.

Laser Power And Energy Measurements Classic Reprint

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Author : D. A. Jennings
language : en
Publisher: Forgotten Books
Release Date : 2017-10-28

Laser Power And Energy Measurements Classic Reprint written by D. A. Jennings and has been published by Forgotten Books this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-10-28 with Science categories.

Excerpt from Laser Power and Energy Measurements With such a variety of problems in a rapidly growing field, many lems remain to be solved. However, there is an immediate prae need for measurements. We h0pe that this Technical Note will with some of these immediate problems. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.

Laser Power Energy Meter

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Author : George A. Rex
language : en
Publisher:
Release Date : 1972

Laser Power Energy Meter written by George A. Rex and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1972 with categories.

The patent describes a laser power-energy meter which includes a photo-diode acting as a current generator whose output is directly proportional to the optical power incident upon it. The meter provides a direct measurement of optical energy on a per pulse basis on single or repetitive laser pulses by measuring each pulse individually and storing and displaying the energy of the largest received. It also provides a measurement of the power of CW lasers. The measurements are in terms of amount of energy which would enter the human eye. The meter is battery operated and portable.