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LeGrand Van Uitert (May 8, 1922 in
Salt Lake City Salt Lake City (often shortened to Salt Lake and abbreviated as SLC) is the capital and most populous city of Utah, United States. It is the seat of Salt Lake County, the most populous county in Utah. With a population of 200,133 in 2020, th ...
– June 3, 1999 in
Morristown, New Jersey Morristown () is a town and the county seat of Morris County, in the U.S. state of New Jersey.laser A laser is a device that emits light through a process of optical amplification based on the stimulated emission of electromagnetic radiation. The word "laser" is an acronym for "light amplification by stimulated emission of radiation". The firs ...
, using a synthetic rare-earth doped
garnet Garnets () are a group of silicate minerals that have been used since the Bronze Age as gemstones and abrasives. All species of garnets possess similar physical properties and crystal forms, but differ in chemical composition. The different ...
crystal. U.S. patent applications for the invention of the continuous wave optical MASER were filed on August 7, 1961, and issued as U.S. Patent Nos. 3,174,938 (March 23, 1965) and 3,177,154 (April 6, 1965). In 1964, Van Uitert, Joseph E. Geusic, and H. W. Marcos demonstrated lasing in Nd- Yttrium Aluminum Garnet (Nd:YAG), which would become the dominant solid state laser.


Academic career

Van Uitert pursued undergraduate studies at
George Washington University , mottoeng = "God is Our Trust" , established = , type = Private federally chartered research university , academic_affiliations = , endowment = $2.8 billion (2022) , presi ...
, earning a Bachelor of Science (B. Sc.) degree in chemistry in 1949, and graduate studies at
Pennsylvania State University The Pennsylvania State University (Penn State or PSU) is a public state-related land-grant research university with campuses and facilities throughout Pennsylvania. Founded in 1855 as the Farmers' High School of Pennsylvania, Penn State becam ...
, where he earned a Master's of Science (M. Sc.) degree in chemistry in 1951, followed by a Doctor of Philosophy (Ph.D.) degree in 1952. Van Uitert was employed as a Member of Technical Staff at
Bell Telephone Laboratories Nokia Bell Labs, originally named Bell Telephone Laboratories (1925–1984), then AT&T Bell Laboratories (1984–1996) and Bell Labs Innovations (1996–2007), is an American industrial Research and development, research and scientific developm ...
(Bell Labs) as a
chemist A chemist (from Greek ''chēm(ía)'' alchemy; replacing ''chymist'' from Medieval Latin ''alchemist'') is a scientist trained in the study of chemistry. Chemists study the composition of matter and its properties. Chemists carefully describe ...
, materials scientist, and crystal grower in the Basic Research division. Van Uitert developed new materials and contributed to the development of new device technologies enabled by these materials in the areas of
magnetic Magnetism is the class of physical attributes that are mediated by a magnetic field, which refers to the capacity to induce attractive and repulsive phenomena in other entities. Electric currents and the magnetic moments of elementary particles ...
,
optical Optics is the branch of physics that studies the behaviour and properties of light, including its interactions with matter and the construction of instruments that use or detect it. Optics usually describes the behaviour of visible, ultrav ...
, and
electro-optical Electro–optics is a branch of electrical engineering, electronic engineering, materials science, and material physics involving components, electronic devices such as lasers, laser diodes, LEDs, waveguides, etc. which operate by the prop ...
telecommunications, memory storage, and displays. Van Uitert remained at Bell Labs for his entire career, as an active research scientist as he was promoted to Supervisor, Solid-State Materials Synthesis Group. In 1966, Van Uitert and Geusic were awarded a patent for the Nd: YAG laser. Van Uitert was the inventor on 82 U.S. patents issued by the USPTO from 1961 to 1991. Van Uitert was supported in his research by Assistant Member of Technical Staff, George John Zydzik, listed as a co-inventor on 17 patents from 1976 to 1991. In 1975, Van Uitert was awarded the Howard N. Potts Medal by The
Franklin Institute The Franklin Institute is a science museum and the center of science education and research in Philadelphia, Pennsylvania. It is named after the American scientist and statesman Benjamin Franklin. It houses the Benjamin Franklin National Memor ...
for the “discovery and development of ferrites for microwaves.” In 1977, Van Uitert was awarded the IRI Achievement Award by the Industrial Institute of America. In 1981, Van Uitert was elected a Member of the
National Academy of Engineering The National Academy of Engineering (NAE) is an American nonprofit, non-governmental organization. The National Academy of Engineering is part of the National Academies of Sciences, Engineering, and Medicine, along with the National Academy of ...
, Also in 1981, Van Uitert was awarded the James N. McGroddy Award for New Materials by the American Physical Society “for the discovery and development of a series of materials of fundamental significance in magnetic and optical technologies, including Microwave Ferrites, Garnets for bubble domain memory devices, and lasers, Orthovanadate phosphors, Niobates and Molybdates for electroptical devices and Borosilicate glasses for optical wave guides." In 1993, Van Uitert and Geusic were awarded the R. W. Wood Prize by the
Optical Society of America Optica (formerly known as The Optical Society (OSA) and before that as the Optical Society of America) is a professional society of individuals and companies with an interest in optics and photonics. It publishes journals and organizes conferenc ...
“for the discovery of the Nd:YAG laser and the demonstration of its usefulness as a practical solid state laser source.”


References


Further reading

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External links


NAE Website - Dr. Le Grand Van Uitert
{{DEFAULTSORT:Uitert, LeGrand van 1922 births 1999 deaths 20th-century American engineers Columbian College of Arts and Sciences alumni Eberly College of Science alumni Scientists at Bell Labs Scientists from Salt Lake City