Asher A. Friesem
Encyclopedia
Asher A. Friesem is a professor at the Weizmann Institute of Science
Weizmann Institute of Science
The Weizmann Institute of Science , known as Machon Weizmann, is a university and research institute in Rehovot, Israel. It differs from other Israeli universities in that it offers only graduate and post-graduate studies in the sciences....

 in Israel
Israel
The State of Israel is a parliamentary republic located in the Middle East, along the eastern shore of the Mediterranean Sea...

.

Friesem received B.Sc. and Ph.D. degrees from the University of Michigan
University of Michigan
The University of Michigan is a public research university located in Ann Arbor, Michigan in the United States. It is the state's oldest university and the flagship campus of the University of Michigan...

 in 1958 and 1968, respectively. From 1958 to 1963 he was employed by Bell Aero Systems Company and Bendix Research Laboratories. From 1963 to 1969, at the University of Michigan’s Institute’s of Science and Technology, he conducted investigations in coherent optics, mainly in the areas of optical data processing and holography
Holography
Holography is a technique that allows the light scattered from an object to be recorded and later reconstructed so that when an imaging system is placed in the reconstructed beam, an image of the object will be seen even when the object is no longer present...

. From 1969 to 1973 he was principal research engineer in the Electro-Optics Center of Harris, Inc.
Harris Corporation
Harris Corporation is a Florida-based international communications equipment company that produces wireless equipment, electronic systems, and both terrestrial and spaceborne antennas for use in the government, defense, and commercial sectors. It is also the largest private-sector employer in...

, performing research in the areas of optical memories and displays.

In 1973 he joined the staff of the Weizmann Institute of Science, Israel and was appointed Professor of Optical Sciences in 1977. He subsequently served as Department Head, Chairman of the Scientific Council, and Chairman of the Professorial Council. In recent years his research activities have concentrated on new holographic concepts and applications, optical image processing, electro-optic devices, and new laser resonator configurations.

He has served on numerous program and advisory committees of national and international conferences. Among other posts, he served for many years as a Vice President of the International Commission of Optics (ICO
International Commission for Optics
The International Commission for Optics was created in 1947 with the objective to contribute to the progress and dissemination of knowledge in optics....

) and Chairman of the Israel Laser and Electro-Optics Society. He is a fellow
Fellow
A fellow in the broadest sense is someone who is an equal or a comrade. The term fellow is also used to describe a person, particularly by those in the upper social classes. It is most often used in an academic context: a fellow is often part of an elite group of learned people who are awarded...

 of OSA, a life fellow of IEEE, and member of SPIE and Sigma Xi
Sigma Xi
Sigma Xi: The Scientific Research Society is a non-profit honor society which was founded in 1886 at Cornell University by a junior faculty member and a handful of graduate students. Members elect others on the basis of their research achievements or potential...

. Over the years he has been a visiting professor in Germany
Germany
Germany , officially the Federal Republic of Germany , is a federal parliamentary republic in Europe. The country consists of 16 states while the capital and largest city is Berlin. Germany covers an area of 357,021 km2 and has a largely temperate seasonal climate...

, Switzerland
Switzerland
Switzerland name of one of the Swiss cantons. ; ; ; or ), in its full name the Swiss Confederation , is a federal republic consisting of 26 cantons, with Bern as the seat of the federal authorities. The country is situated in Western Europe,Or Central Europe depending on the definition....

, France
France
The French Republic , The French Republic , The French Republic , (commonly known as France , is a unitary semi-presidential republic in Western Europe with several overseas territories and islands located on other continents and in the Indian, Pacific, and Atlantic oceans. Metropolitan France...

 and the U.S.A., has authored and co-authored more than 250 scientific papers, co-editor of four scientific volumes, and holds over 30 international patents.

He made the first full-color hologram.
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