Manufacturers who installed optical cables in the 1970s

AT&T and its partners British Telecom and France Telecom set a target of 1988 for installing TAT-8, the first transatlantic fiber cable. More submarine fiber cables would follow. In 1982, MCI went...

Industry
Nov 01, 2025

Birth and Growth of the Fiber-Optic Communications Industry

Bell abandoned the hollow optical guide in 1972 and never put any millimeter waveguide into commercial service after completing a field test in the mid-1970s. But telephone engineers remained

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Industry
Dec 19, 2025

Fiber Optic History Timeline

How has fiber optic technology changed over the years? Learn all this and more in this timeline documenting the history and development of fiber optics for communications.

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Industry
Jul 06, 2026

Fiber Optics

Test systems in several countries were quickly followed by field trials with customers. GTE installed a test fiber optic cable system in Long Beach, California, in 1977. AT&T quickly followed

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Industry
Sep 30, 2025

Fifty Year History of Optical Fibers

In the history of optical fiber communication, optical fiber with transmission loss of 20 dB/km and continuous oscillation of semiconductor laser at room temperature emerged in 1970, and the year

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Industry
May 28, 2026

The Trio Who Revolutionized Communication

In 1970, Keck, Maurer, and Schultz at Corning Glass Works made a huge breakthrough by developing the first low-loss optical fiber. They created a glass fiber that could carry light signals over...

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Industry
Jun 05, 2026

NIHF Inductee Robert Maurer Invented Optical Fibers

More than 90 percent of U.S. long-distance traffic is already carried on optical fiber; over 800 million kilometers have been installed, virtually all of it using the original design of Maurer, Keck, and Schultz.

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Industry
Sep 29, 2025

The Development and Milestones of Optical Fibers—A Brief History

In the early 1970s, Donald Keck and Corning Corporation achieved a groundbreaking milestone by developing low-loss optical fibers. Through meticulous optimization of glass purity and

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Industry
Feb 26, 2026

Fiber Gets Real with Single-Mode Fiber Development | A

The U.S. government was the first to build a fiber-optic line: in 1975, it used fiber to link the computers at its North American Aerospace Defense Command (NORAD) center at Cheyenne Mountain. In 1977,

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Industry
Jan 05, 2026

Western Electric Baltimore Works

In the late 1970s, Corning Glass created the first fiber optic cable, which had 125,000 times the capacity of copper wire. Decreased demand for copper cable due to technological and market forces led to

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