Producing interference gratings

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Producing interference gratings

Technician producing interference gratings. Here, a laser beam is being divided and then recombined to generate a very fine pattern of interference fringes (parallel light and dark bands). These fringes are then recorded on a photosensitive material. These will then be used in subsequent experiments to alter the properties of light for analysis. Photographed at the National Physical Laboratory, Teddington, UK

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Media ID 6435927

© NATIONAL PHYSICAL LABORATORY CROWN COPYRIGHT/SCIENCE PHOTO LIBRARY

1900s Adjusting Analysing Beam Grooves History Of Science Laser Lasers Manipulating National Physical Laboratory Physicist Researcher Researching Spectroscopy Teddington Thirties Laboratory Mono Chrome Physical

EDITORS COMMENTS
In this photo print, we are transported back in time to witness a pivotal moment in scientific history. A skilled technician at the National Physical Laboratory in Teddington, UK is shown diligently producing interference gratings. With utmost precision, she manipulates a laser beam, skillfully dividing and recombining it to generate an intricate pattern of parallel light and dark bands known as interference fringes. The significance of this process becomes apparent as we learn that these delicate fringes will be recorded on photosensitive material. This remarkable achievement paves the way for subsequent experiments aimed at altering the properties of light for further analysis. The dedication and expertise displayed by this female physicist exemplify the relentless pursuit of knowledge that has defined scientific research throughout history. This image not only captures a moment frozen in time but also serves as a testament to the advancements made in 20th-century physics. As we delve into the rich history of science, it is impossible to overlook the contributions made by institutions like the National Physical Laboratory and individuals such as this brilliant researcher. With its timeless appeal, this photograph transports us back to an era when technology was rapidly evolving, paving new paths for exploration and discovery. It reminds us of how far we have come while inspiring us to continue pushing boundaries in our quest for understanding our world's intricate workings.

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