How to measure the optical attenuation of a beam splitter

INTRODUCTION This manual describes some procedures for the attenuation of laser beams to low pov;er levels v/ith equipment designed and constructed at the National Bureau of Standards (NBS) for this purpose. SPLITTER ATT...

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Measurement procedures for the optical beam splitter attenuation

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Measurement procedures for the optical beam splitter attenuation

NBS interagency report is a publication of the U.S. Government. The papers are in the public domain and are not subject to copyright in the United States. However, please pay special attention to the

Measurement procedures for the optical beam splitter attenuation

With the use of an additional preattenuator beam splitter, the attenuation range can be extended to over 70 dB. The BA-1 system is designed for use at .6328 ym, .5145 ym, and 1.05 ym.

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The most important performance of the optical splitter is the different optical attenuations generated by the optical splitter under a specific splitting ratio.

Measurement Procedures for the Optical Beam Splitter Attenuation

This alignment is dictated not only by reason of convenience in locating the various attenuated beams but also by the fact that attenuation ratios are a function of angle of incidence on the beam splitter.

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