maser

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References & Edit History Quick Facts & Related Topics

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Entrants falling and tumbling over while chasing the cheese at the 2016 'Cheese Rolling' held at Cooper's Hill, in the Cotswolds, Brockworth England

7 of the World’s Most Dangerous Festivals

Two chicks near an egg with a white background (poultry, chick, chickens, birds).

What Do Eggs Have to Do with Easter?

illustration of the walking titanosaurus, Patagotitan mayorum

Titanosaurs: 8 of the World's Biggest Dinosaurs

Close up of books. Stack of books, pile of books, literature, reading. Homepage 2010, arts and entertainment, history and society

12 Novels Considered the “Greatest Book Ever Written”

King Cobra snake in Malaysia. (reptile)

9 of the World’s Deadliest Snakes

Marriage. A couple getting married during a church wedding ceremony. (religion, ceremony, bride, groom)

The Seven Sacraments of the Roman Catholic church

Illustration for Demystified "How Dangerous is Quicksand"

How Deadly Is Quicksand?

maser: Facts & Related Content

Written and fact-checked by The Information Architects of Encyclopaedia Britannica

Facts

Also Known As	molecular amplification by stimulated emission of radiation • microwave amplification by stimulated emission of radiation

Topics

solid-state maser gas maser traveling-wave maser hydrogen maser ammonia maser ruby maser atomic hydrogen maser laser amplifier microwave radar microwave oven klystron magnetron cosmic microwave background hearing aid

Key People

Nikolay Basov

Nikolay Basov

Soviet physicist

Charles Hard Townes

Charles Hard Townes

American physicist

Nicolaas Bloembergen

American physicist

Arthur Schawlow

Arthur L. Schawlow

American physicist

Theodore H. Maiman

American physicist